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View Flow Restrictors for
High Pressure 187 Multi-Orifice Visco Jet® Restrictor
Flow Restrictors

High Pressure 187 Multi-Orifice Visco Jet® Restrictor

This high pressure jet flow restrictor is a compact, multi-orifice flow restrictor that incorporates slots and spin chambers. The complex fluid passage provides a greater minimum passage for a given restriction and is better suited to handle much higher levels of contamination. Additionally, the fluid velocity is reduced by the series of restrictions, thus reducing the chances of cavitation. With robust screens protecting for bidirectional flow, the High Pressure 187 Multi-Orifice Visco Jet® Restrictor is available calibrated to ± 5% or ± 10% tolerance.

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Key Product Facts
  • Type:Multi-Orifice
  • Diameter:0.187 inches
  • Metered Flow Range:11,200 to 313,000 Lohms
  • Test Fluid:Water
  • Operating Pressures:Up to 8000 psi
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Product Information

General Performance
Characteristic Specification
Lohm Rate Tolerance ± 5% or ± 10%
Maximum Working Pressure 8000 psid
Nominal Weight 2.0 grams
Materials
PART MATERIAL SPECIFICATION
Body 304L CRES QQ-S-763
Pin 17-4PH CRES AMS 5643
Spacers 303 CRES QQ-S-763C
Visco Stack 304L CRES ASTM A 666
Retainer 17-4PH CRES AMS 5643
Screens 304L CRES ASTM A 666
Base Washer 304L CRES ASTM A 666
Braze - AMS 4774
Finish: All CRES Parts Passivated
Pins are prewaxed. Do not degrease. Do not lubricate.
Dimensional View
This image is for reference only. All dimensions are in inches.
Installation Hole Details
This image is for reference only. All dimensions are in inches.

Part Numbers & Specifications

This table below contains the part numbers and technical specifications for this product. If you have specific questions, need a quote, or would like to request a handbook or drawing, click the red request button in the column on the far right.

Part Numbers & Specifications
Filter Part Numbers
Tolerance
PART NUMBER
Tolerance
LOHM RATE MINIMUM PASSAGE SIZE (in) Total Screen Area (in2) Screen Open Area (in2) Screen Hole Size (in) Request Information
VHCA1845112H ± 5% 11,200 Lohms 0.015 0.062 0.014 0.008 Request
VHCA1845162H ± 5% 16,200 Lohms 0.015 0.062 0.014 0.008 Request
VHCA1835176H ± 5% 17,600 Lohms 0.01 0.062 0.02 0.006 Request
VHCA1835240H ± 5% 24,000 Lohms 0.01 0.062 0.02 0.006 Request
VHCA1835330H ± 5% 33,000 Lohms 0.01 0.062 0.02 0.006 Request
VHCA1835410H ± 5% 41,000 Lohms 0.01 0.062 0.02 0.006 Request
VHCA1825800H ± 5% 80,000 Lohms 0.007 0.062 0.019 0.004 Request
VHCA1815145K ± 5% 145,000 Lohms 0.005 0.062 0.019 0.004 Request
VHCA1815198K ± 5% 198,000 Lohms 0.005 0.062 0.019 0.004 Request
VHCA1815243K ± 5% 243,000 Lohms 0.005 0.062 0.019 0.004 Request
VHCA1815280K ± 5% 280,000 Lohms 0.005 0.062 0.019 0.004 Request
VHCA1815313K ± 5% 313,000 Lohms 0.005 0.062 0.019 0.004 Request
VHCA1840112H ± 10% 11,200 Lohms 0.015 0.062 0.014 0.008 Request
VHCA1840162H ± 10% 16,200 Lohms 0.015 0.062 0.014 0.008 Request
VHCA1830176H ± 10% 17,600 Lohms 0.01 0.062 0.02 0.006 Request
VHCA1830240H ± 10% 24,000 Lohms 0.01 0.062 0.02 0.006 Request
VHCA1830330H ± 10% 33,000 Lohms 0.01 0.062 0.02 0.006 Request
VHCA1830410H ± 10% 41,000 Lohms 0.01 0.062 0.02 0.006 Request
VHCA1820800H ± 10% 80,000 Lohms 0.007 0.062 0.019 0.004 Request
VHCA1810145K ± 10% 145,000 Lohms 0.005 0.062 0.019 0.004 Request
VHCA1810198K ± 10% 198,000 Lohms 0.005 0.062 0.019 0.004 Request
VHCA1810243K ± 10% 243,000 Lohms 0.005 0.062 0.019 0.004 Request
VHCA1810280K ± 10% 280,000 Lohms 0.005 0.062 0.019 0.004 Request
VHCA1810313K ± 10% 313,000 Lohms 0.005 0.062 0.019 0.004 Request
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Installation & Accessories

Replacement Parts & Accessories
Part Number Description
CUTA1870109C Installation / Extraction Tool Set
JHHA1870003A Replacement Pin

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The Lee Company has developed the Lohm Laws for defining and measuring resistance to fluid flow. The Lohm is defined such that 1 Lohm will flow 100 GPM of water with a pressure drop of 25 psi at a temperature of 80°F.

Lohms for Liquids Lohms for Gases