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Selection of a suitable plug is dependent on housing material. The best practice is to choose a plug material that matches, or is similar to, the material of your product. This accounts for issues such as thermal expansion, material strength, and corrosion resistance.

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093 15-5PH High Strength Lee Plug®
.093" Diameter 15-5PH High Strength Expansion Pin and Plug Set
Key Product Facts
  • Designed for high strength, high hardness materials.
  • Uses Lee field-proven controlled expansion principal.
  • 32,000 psi Proof pressure (221 MPa).
View Product
093 Aluminum Lee Plug®
.093" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 16,000 psi (110 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
093 Aluminum Lee QIP® Expansion Plug
.093" Diameter Aluminum Quick Installation Plug
Key Product Facts
  • Simplified installation.
  • Uses Lee field-proven controlled expansion principal.
  • High proof pressures, up to 10,000 psi (69 MPa).
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093 Monel Lee Plug®
.093" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 24,000 psi (165 MPa).
View Product
093 MP35N Lee Plug®
.093" Diameter MP35N Expansion Pin and Plug Set
Key Product Facts
  • NACE Compliant MP35N material.
  • 30,000 psi Proof pressure (207 MPa).
  • 400 Degrees F temperaure rating (204 degrees C).
View Product
093 Stainless Steel Lee Plug®
.093" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 24,000 psi (165 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
125 15-5PH High Strength Lee Plug®
.125" Diameter 15-5PH High Strength Expansion Pin and Plug Set
Key Product Facts
  • Designed for high strength, high hardness materials.
  • Uses Lee field-proven controlled expansion principal.
  • 32,000 psi Proof pressure (221 MPa).
View Product
125 Aluminum Lee Plug®
.125" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 16,000 psi (110 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
125 Aluminum Lee QIP® Expansion Plug
.125" Diameter Aluminum Quick Installation Plug
Key Product Facts
  • Simplified installation.
  • Uses Lee field-proven controlled expansion principal.
  • High proof pressures, up to 10,000 psi (69 MPa).
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125 Monel Lee Plug®
.125" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 24,000 psi (165 MPa).
View Product
125 MP35N Lee Plug®
.125" Diameter MP35N Expansion Pin and Plug Set
Key Product Facts
  • NACE Compliant MP35N material.
  • 30,000 psi Proof pressure (207 MPa).
  • 400 Degrees F temperaure rating (204 degrees C).
View Product
125 Stainless Steel Lee Plug®
.125" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 24,000 psi (165 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
156 15-5PH High Strength Lee Plug®
.156" Diameter 15-5PH High Strength Expansion Pin and Plug Set
Key Product Facts
  • Designed for high strength, high hardness materials.
  • Uses Lee field-proven controlled expansion principal.
  • 32,000 psi Proof pressure (221 MPa).
View Product
156 Aluminum Lee Plug®
.156" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 16,000 psi (110 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
156 Aluminum Lee QIP® Expansion Plug
.156" Diameter Aluminum Quick Installation Plug
Key Product Facts
  • Simplified installation.
  • Uses Lee field-proven controlled expansion principal.
  • High proof pressures, up to 12,000 psi (83 MPa).
View Product
156 Aluminum R.F.O.® Plug
.156" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 6,000 psi (41 MPa).
View Product
156 Monel Lee Plug®
.156" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 28,000 psi (193 MPa).
View Product
156 MP35N Lee Plug®
.156" Diameter MP35N Expansion Pin and Plug Set
Key Product Facts
  • NACE Compliant MP35N material.
  • 30,000 psi Proof pressure (207 MPa).
  • 400 Degrees F temperaure rating (204 degrees C).
View Product
156 Stainless Steel Lee Plug®
.156" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 28,000 psi (193 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
187 15-5PH High Strength Lee Plug®
.187" Diameter 15-5PH High Strength Expansion Pin and Plug Set
Key Product Facts
  • Designed for high strength, high hardness materials.
  • Uses Lee field-proven controlled expansion principal.
  • 32,000 psi Proof pressure (221 MPa).
View Product
187 Aluminum Lee Plug®
.187" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 15,000 psi (103 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
187 Aluminum Lee QIP® Expansion Plug
.187" Diameter Aluminum Quick Installation Plug
Key Product Facts
  • Simplified installation.
  • Uses Lee field-proven controlled expansion principal.
  • High proof pressures, up to 10,000 psi (69 MPa).
View Product
187 Aluminum R.F.O.® Plug
.187" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 6,000 psi (41 MPa).
View Product
187 Monel Lee Plug®
.187" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 28,000 psi (193 MPa).
View Product
187 MP35N Lee Plug®
.187" Diameter MP35N Expansion Pin and Plug Set
Key Product Facts
  • NACE Compliant MP35N material.
  • 30,000 psi Proof pressure (207 MPa).
  • 400 Degrees F temperaure rating (204 degrees C).
View Product
187 Stainless Steel Lee Plug®
.187" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 28,000 psi (193 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
190 MP35N A.F.O.® Plug
.190-32 MP35N A.F.O. Plug
Key Product Facts
  • NACE Compliant MP35N material.
  • High proof pressures, up to 56,000 psi (386 MPa).
  • Reuseable, allowing easy access to sealed passageways.
View Product
190 Stainless Steel A.F.O.® Plug
.190-32 Stainless Steel A.F.O. Plug
Key Product Facts
  • High proof pressures, up to 56,000 psi (386 MPa).
  • Reuseable, allowing easy access to sealed passageways.
  • Floating seal self-aligns, prevents galling.
View Product
2,50 Aluminum Metric Lee Plug®
2,50 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 69 MPa (10,000 psi).
  • 135 Degrees C temperature rating (275 degrees F).
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2,50 Stainless Steel Metric Lee Plug®
2,50 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 137 MPa (19,900 psi).
  • 260 Degrees C temperature rating (500 degrees F).
View Product
218 15-5PH High Strength Lee Plug®
.218" Diameter 15-5PH High Strength Expansion Pin and Plug Set
Key Product Facts
  • Designed for high strength, high hardness materials.
  • Uses Lee field-proven controlled expansion principal.
  • 32,000 psi Proof pressure (221 MPa).
View Product
218 Aluminum Lee Plug®
.218" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 15,000 psi (103 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
218 Aluminum R.F.O.® Plug
.218" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 6,000 psi (41 MPa).
View Product
218 Monel Lee Plug®
.218" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 26,000 psi (179 MPa).
View Product
218 MP35N Lee Plug®
.218" Diameter MP35N Expansion Pin and Plug Set
Key Product Facts
  • NACE Compliant MP35N material.
  • 30,000 psi Proof pressure (207 MPa).
  • 400 Degrees F temperaure rating (204 degrees C).
View Product
218 Stainless Steel Lee Plug®
.218" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 26,000 psi (179 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
250 15-5PH High Strength Lee Plug®
.250" Diameter 15-5PH High Strength Expansion Pin and Plug Set
Key Product Facts
  • Designed for high strength, high hardness materials.
  • Uses Lee field-proven controlled expansion principal.
  • 32,000 psi Proof pressure (221 MPa).
View Product
250 Aluminum Lee Plug®
.250" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 14,000 psi (97 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
250 Aluminum R.F.O.® Plug
.250" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 5,000 psi (34 MPa).
View Product
250 Monel Lee Plug®
.250" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 25,000 psi (172 MPa).
View Product
250 MP35N A.F.O.® Plug
.250-28 MP35N A.F.O. Plug
Key Product Facts
  • NACE Compliant MP35N material.
  • High proof pressures, up to 56,000 psi (386 MPa).
  • Reuseable, allowing easy access to sealed passageways.
View Product
250 MP35N Lee Plug®
.250" Diameter MP35N Expansion Pin and Plug Set
Key Product Facts
  • NACE Compliant MP35N material.
  • 30,000 psi Proof pressure (207 MPa).
  • 400 Degrees F temperaure rating (204 degrees C).
View Product
250 Stainless Steel A.F.O.® Plug
.250-28 Stainless Steel A.F.O. Plug
Key Product Facts
  • High proof pressures, up to 56,000 psi (386 MPa).
  • Reuseable, allowing easy access to sealed passageways.
  • Floating seal self-aligns, prevents galling.
View Product
250 Stainless Steel Lee Plug®
.250" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 25,000 psi (172 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
281 15-5PH High Strength Lee Plug®
.281" Diameter 15-5PH High Strength Expansion Pin and Plug Set
Key Product Facts
  • Designed for high strength, high hardness materials.
  • Uses Lee field-proven controlled expansion principal.
  • 32,000 psi Proof pressure (221 MPa).
View Product
281 Aluminum Lee Plug®
.281" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 14,000 psi (97 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
281 Aluminum R.F.O.® Plug
.281" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 4,000 psi (28 MPa).
View Product
281 Monel Lee Plug®
.281" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 24,000 psi (165 MPa).
View Product
281 Stainless Steel Lee Plug®
.281" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 24,000 psi (165 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
3,00 Aluminum Metric Lee Plug®
3,00 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 88 MPa (12,800 psi).
  • 135 Degrees C temperature rating (275 degrees F).
View Product
3,00 Stainless Steel Metric Lee Plug®
3,00 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 137 MPa (19,900 psi).
  • 260 Degrees C temperature rating (500 degrees F).
View Product
3,50 Aluminum Metric Lee Plug®
3,50 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 88 MPa (12,800 psi).
  • 135 Degrees C temperature rating (275 degrees F).
View Product
3,50 Stainless Steel Metric Lee Plug®
3,50 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 137 MPa (19,900 psi).
  • 260 Degrees C temperature rating (500 degrees F).
View Product
312 15-5PH High Strength Lee Plug®
.312" Diameter 15-5PH High Strength Expansion Pin and Plug Set
Key Product Facts
  • Designed for high strength, high hardness materials.
  • Uses Lee field-proven controlled expansion principal.
  • 32,000 psi Proof pressure (221 MPa).
View Product
312 Aluminum Lee Plug®
.312" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 14,000 psi (97 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
312 Monel Lee Plug®
.312" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 23,000 psi (159 MPa).
View Product
312 MP35N A.F.O.® Plug
.312-24 MP35N A.F.O. Plug
Key Product Facts
  • NACE Compliant MP35N material.
  • High proof pressures, up to 56,000 psi (386 MPa).
  • Reuseable, allowing easy access to sealed passageways.
View Product
312 MP35N High Pressure Dual Sealing A.F.O.® Plug
.312-24 MP35N High Pressure Dual Sealing A.F.O. Plug
Key Product Facts
  • Dual sealing for venting or charging.
  • Seals up to 50,000 psi closed (345 Mpa) and 15,000 psi open (103 Mpa).
  • NACE Compliant MP35N material.
View Product
312 Stainless Steel A.F.O.® Plug
.312-24 Stainless Steel A.F.O. Plug
Key Product Facts
  • High proof pressures, up to 56,000 psi (386 MPa).
  • Reuseable, allowing easy access to sealed passageways.
  • Floating seal self-aligns, prevents galling.
View Product
312 Stainless Steel Lee Plug®
.312" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 24,000 psi (165 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
343 15-5PH High Strength Lee Plug®
.343" Diameter 15-5PH High Strength Expansion Pin and Plug Set
Key Product Facts
  • Designed for high strength, high hardness materials.
  • Uses Lee field-proven controlled expansion principal.
  • 32,000 psi Proof pressure (221 MPa).
View Product
343 Aluminum Lee Plug®
.343" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 14,000 psi (97 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
343 Aluminum R.F.O.® Plug
.343" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 4,000 psi (28 MPa).
View Product
343 Monel Lee Plug®
.343" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 22,000 psi (152 MPa).
View Product
343 Stainless Steel Lee Plug®
.343" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 22,000 psi (152 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
375 MP35N A.F.O.® Plug
.375-24 MP35N A.F.O. Plug
Key Product Facts
  • NACE Compliant MP35N material.
  • High proof pressures, up to 54,000 psi (372 MPa).
  • Reuseable, allowing easy access to sealed passageways.
View Product
375 MP35N High Pressure Dual Sealing A.F.O.® Plug
.375-24 MP35N High Pressure Dual Sealing A.F.O. Plug
Key Product Facts
  • Dual sealing for venting or charging.
  • Seals up to 50,000 psi closed (345 Mpa) and 15,000 psi open (103 Mpa).
  • NACE Compliant MP35N material.
View Product
375 Stainless Steel A.F.O.® Plug
.375-24 Stainless Steel A.F.O. Plug
Key Product Facts
  • High proof pressures, up to 54,000 psi (372 MPa).
  • Reuseable, allowing easy access to sealed passageways.
  • Floating seal self-aligns, prevents galling.
View Product
4,00 Aluminum Metric Lee Plug®
4,00 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 102 MPa (14,800 psi).
  • 135 Degrees C temperature rating (275 degrees F).
View Product
4,00 Stainless Steel Metric Lee Plug®
4,00 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 196 MPa (28,400 psi).
  • 260 Degrees C temperature rating (500 degrees F).
View Product
4,50 Aluminum Metric Lee Plug®
4,50 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 102 MPa (14,800 psi).
  • 135 Degrees C temperature rating (275 degrees F).
View Product
4,50 Stainless Steel Metric Lee Plug®
4,50 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 196 MPa (28,400 psi).
  • 260 Degrees C temperature rating (500 degrees F).
View Product
406 Aluminum Lee Plug®
.406" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 13,000 psi (90 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
406 Aluminum R.F.O.® Plug
.406" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 3,500 psi (24 MPa).
View Product
406 Monel Lee Plug®
.406" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 21,000 psi (145 MPa).
View Product
406 Stainless Steel Lee Plug®
.406" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 21,000 psi (145 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
468 Aluminum Lee Plug®
.468" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 12,000 psi (83 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
468 Aluminum R.F.O.® Plug
.468" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 3,500 psi (24 MPa).
View Product
468 Monel Lee Plug®
.468" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 20,000 psi (138 MPa).
View Product
468 Stainless Steel Lee Plug®
.468" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 20,000 psi (138 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
View Product
5,00 Aluminum Metric Lee Plug®
5,00 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 102 MPa (14,800 psi).
  • 135 Degrees C temperature rating (275 degrees F).
View Product
5,00 Stainless Steel Metric Lee Plug®
5,00 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 196 MPa (28,400 psi).
  • 260 Degrees C temperature rating (500 degrees F).
View Product
5,50 Aluminum Metric Lee Plug®
5,50 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 102 MPa (14,800 psi).
  • 135 Degrees C temperature rating (275 degrees F).
View Product
5,50 Stainless Steel Metric Lee Plug®
5,50 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 177 MPa (25,700 psi).
  • 260 Degrees C temperature rating (500 degrees F).
View Product
500 Aluminum R.F.O.® Plug
.500" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 3,500 psi (24 MPa).
View Product
500 MP35N A.F.O.® Plug
.500-20 MP35N A.F.O. Plug
Key Product Facts
  • NACE Compliant MP35N material.
  • High proof pressures, up to 54,000 psi (372 MPa).
  • Reuseable, allowing easy access to sealed passageways.
View Product
500 MP35N Dual Sealing A.F.O.® Plug
.500-20 MP35N Dual Sealing A.F.O. Plug
Key Product Facts
  • Dual sealing for venting or charging.
  • NACE Compliant MP35N material.
  • Seals up to 54,000 psi closed (372 Mpa) and 1,500 psi open (10 Mpa).
View Product
500 MP35N High Pressure Dual Sealing A.F.O.® Plug
.500-20 MP35N High Pressure Dual Sealing A.F.O. Plug
Key Product Facts
  • Dual sealing for venting or charging.
  • Seals up to 50,000 psi closed (345 Mpa) and 15,000 psi open (103 Mpa).
  • NACE Compliant MP35N material.
View Product
500 Stainless Steel A.F.O.® Plug
.500-20 Stainless Steel A.F.O. Plug
Key Product Facts
  • High proof pressures, up to 54,000 psi (372 MPa).
  • Reuseable, allowing easy access to sealed passageways.
  • Floating seal self-aligns, prevents galling.
View Product
500 Stainless Steel Dual Sealing A.F.O.® Plug
.500-20 Stainless Steel Dual Sealing A.F.O. Plug
Key Product Facts
  • Dual sealing for venting or charging.
  • Seals up to 54,000 psi closed (372 Mpa) and 1,500 psi open (10 Mpa).
  • Reuseable, allowing easy access to sealed passageways.
View Product
531 Aluminum Lee Plug®
.531" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 12,000 psi (83 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
View Product
531 Aluminum R.F.O.® Plug
.531" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 3,500 psi (24 MPa).
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531 Monel Lee Plug®
.531" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 18,000 psi (124 MPa).
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531 Stainless Steel Lee Plug®
.531" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 18,000 psi (124 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
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6,00 Aluminum Metric Lee Plug®
6,00 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 98 MPa (14,200 psi).
  • 135 Degrees C temperature rating (275 degrees F).
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6,00 Stainless Steel Metric Lee Plug®
6,00 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 177 MPa (25,700 psi).
  • 260 Degrees C temperature rating (500 degrees F).
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6,50 Aluminum Metric Lee Plug®
6,50 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 98 MPa (14,200 psi).
  • 135 Degrees C temperature rating (275 degrees F).
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6,50 Stainless Steel Metric Lee Plug®
6,50 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 172 MPa (24,900 psi).
  • 260 Degrees C temperature rating (500 degrees F).
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625 MP35N A.F.O.® Plug
.625-18 MP35N A.F.O. Plug
Key Product Facts
  • NACE Compliant MP35N material.
  • High proof pressures, up to 50,000 psi (345 MPa).
  • Reuseable, allowing easy access to sealed passageways.
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625 Stainless Steel A.F.O.® Plug
.625-18 Stainless Steel A.F.O. Plug
Key Product Facts
  • High proof pressures, up to 50,000 psi (345 MPa).
  • Reuseable, allowing easy access to sealed passageways.
  • Floating seal self-aligns, prevents galling.
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656 Aluminum Lee Plug®
.656" Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 10,000 psi (69 MPa).
  • 275 Degrees F temperature rating (135 degrees C).
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656 Aluminum R.F.O.® Plug
.656" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 3,500 psi (24 MPa).
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656 Monel Lee Plug®
.656" Diameter Monel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • Nickel alloy provides good corrosion resistance.
  • High proof pressures, up to 16,000 psi (110 MPa).
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656 Stainless Steel Lee Plug®
.656" Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 16,000 psi (110 MPa).
  • 500 Degrees F temperature rating (260 degrees C).
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7,00 Aluminum Metric Lee Plug®
7,00 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 98 MPa (14,200 psi).
  • 135 Degrees C temperature rating (275 degrees F).
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7,00 Stainless Steel Metric Lee Plug®
7,00 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 167 MPa (24,200 psi).
  • 260 Degrees C temperature rating (500 degrees F).
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7,50 Aluminum Metric Lee Plug®
7,50 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 98 MPa (14,200 psi).
  • 135 Degrees C temperature rating (275 degrees F).
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7,50 Stainless Steel Metric Lee Plug®
7,50 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 167 MPa (24,200 psi).
  • 260 Degrees C temperature rating (500 degrees F).
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750 Aluminum R.F.O.® Plug
.750" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 3,000 psi (21 MPa).
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750 MP35N A.F.O.® Plug
.750-16 MP35N A.F.O. Plug
Key Product Facts
  • NACE Compliant MP35N material.
  • High proof pressures, up to 50,000 psi (345 MPa).
  • Reuseable, allowing easy access to sealed passageways.
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750 MP35N Dual Sealing A.F.O.® Plug
.750-16 MP35N Dual Sealing A.F.O. Plug
Key Product Facts
  • Dual sealing for venting or charging.
  • NACE Compliant MP35N material.
  • Seals up to 50,000 psi closed (345 Mpa) and 1,500 psi open (10 Mpa).
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750 Stainless Steel A.F.O.® Plug
.750-16 Stainless Steel A.F.O. Plug
Key Product Facts
  • High proof pressures, up to 50,000 psi (345 MPa).
  • Reuseable, allowing easy access to sealed passageways.
  • Floating seal self-aligns, prevents galling.
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750 Stainless Steel Dual Sealing A.F.O.® Plug
.750-16 Stainless Steel Dual Sealing A.F.O. Plug
Key Product Facts
  • Dual sealing for venting or charging.
  • Seals up to 50,000 psi closed (345 Mpa) and 1,500 psi open (10 Mpa).
  • Reuseable, allowing easy access to sealed passageways.
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8,00 Aluminum Metric Lee Plug®
8,00 mm Diameter Aluminum Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 98 MPa (14,200 psi).
  • 135 Degrees C temperature rating (275 degrees F).
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8,00 Stainless Steel Metric Lee Plug®
8,00 mm Diameter Stainless Steel Expansion Pin and Plug Set
Key Product Facts
  • Reliable leak-proof seal for liquids and gasses.
  • High proof pressures, up to 152 MPa (22,000 psi).
  • 260 Degrees C temperature rating (500 degrees F).
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875 Aluminum R.F.O.® Plug
.875" Diameter Aluminum R.F.O. Pin and Plug Set
Key Product Facts
  • No downward pressure during installation.
  • Ideal for thin wall applications.
  • High proof pressures, up to 2,500 psi (17 MPa).
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