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LEE SAFETY SCREENS

Lee Flow RestrictorsLee Safety ScreensThe Lee Company offers a wide variety of Safety Screens designed to protect critical fluid control components from rogue contamination. These screens are not intended to serve as system filters. Two general types are available, differing in their method of construction and pressure capability: Etched Screens and Machined and Drilled Screens.

Etched Screens

Photochemically etched from stainless steel bar stock that is formed and brazed to a base washer or insert locking end.

  • Simple, Economical Construction
  • Many Methods of Retention for Design Flexibility
  • All Stainless Steel Construction
  • Hole Sizes from .004" to .020"

Drilled Hi Bar® Screens

Hi-Bar Safety ScreensMachined from solid bar stock, these Safety Screens feature an extremely robust, one-piece design that will not burst or collapse up to 7,500 psid, even when fully clogged.

  • Rugged, High Strength, One-Piece Design
  • No Burst or Collapse at 7500 psid Fully Clogged
  • Machined and Drilled from Solid Stainless Steel Bar Stock
  • High Contamination Carrying Capacity for Maximum Protection
  • Low Lohm, High Flow Capability
  • Over 150 Standard Versions for Design Flexibility
  • Hole Sizes from .002" to .020"
Standard Installation Configurations Etched Screens Hi-Bar Drilled Screens
Flange Mounted FLANGE MOUNTED
This is perhaps the most common installation technique as it is simple and economical.
Boss Mounted BOSS MOUNTED
A common installation technique that permits removal. Some form of anti-rotation locking is recommended.
Insert Retained INSERT RETAINED
Utilizing the proven Lee Insert Principle, this technique is ideal for simple installation directly into a fluid passageway.
 
L-4 L - 4
Featuring three locking fingers that are expanded outward locking the screen in a fluid passageway, the L- 4 technique permits easy removal for inspection or cleaning. Ideal for bidirectional flow.
 
Spring Retained SPRING RETAINED
An inexpensive mounting technique suitable for unidirectional flow. The spring O.D. is slightly larger than the I.D. of the mounting hole. A special tool is used to twist the spring into the hole.
 
TWIS TWIS®
Easily removable, the "TWIS" style of installation is readily twisted in or out of the bore for inspection or cleaning. Unidirectional flow.
 
Boss Access BOSS ACCESS
A convenient mounting technique that permits easy removal for cleaning or inspection.
 
Hi-Bar Screens in Adapters HI-BAR SCREENS IN ADAPTERS
Often used as inlet screens to actuators, optimizing space and weight. Available in AS-Straight Thread and Ring Locked style adapters complete from The Lee Company.