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View Flow Restrictors for
Flow Restrictors

2.5 mm 316 Stainless Steel Press-In Single-Orifice Restrictor for Gases

This threadless, reliable, and highly accurate flow restrictor is specifically designed for installation into plastic housings and fittings. Its unique press-in design provides easy installation that ensures retention and prevents any bypass leakage. The orifice is constructed of 316L stainless steel, providing improved compatibility with aggressive gases including hydrogen. It is flow tested on nitrogen with a nominal flow tolerance of ± 5%. Tighter tolerances are available as specials. To increase accuracy, the orifice is tested in the direction of use.

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Key Product Facts
  • Mounting Configuration:Press-In - Into Plastic
  • Diameter:2.54 mm
  • Metered Flow Range:500 - 45,000 Lohms
  • Test Fluid:Clean & Dry Nitrogen
  • Maximum Working Pressure:Dependent on Housing Material
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Product Information

General Performance
Characteristic Specification
Lohm Rate Tolerance ± 5%
Test Fluid Clean and Dry Nitrogen
Maximum Working Pressure Dependent on Housing Material, Configuration, and Operating Conditions
Designed for Installation Into Plastics, Such as Polypropylene, Nylon, Acetal, Polyethylene, and PEEK
Materials
COMPONENT MATERIAL
Body 316L Stainless Steel
Cross Section View
Dimensional View
This image is for reference only. All dimensions are in millimeters.
Installation Hole Details
Installation Hole Drawing Number: 1INST005724S
This image is for reference only. All dimensions are in millimeters.

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
PART NUMBER FLOW DIRECTION LOHM RATE APPROXIMATE WEIGHT (g) INSTALLATION HOLE DRAWING NUMBER Request Information
RPGF2552005S Forward 500 Lohms 0.07 1INST005724S Request
RPGF2552006S Forward 600 Lohms 0.07 1INST005724S Request
RPGF2552008S Forward 800 Lohms 0.07 1INST005724S Request
RPGF2552010S Forward 1000 Lohms 0.07 1INST005724S Request
RPGF2552012S Forward 1200 Lohms 0.07 1INST005724S Request
RPGF2552015S Forward 1500 Lohms 0.07 1INST005724S Request
RPGF2552020S Forward 2000 Lohms 0.07 1INST005724S Request
RPGF2552025S Forward 2500 Lohms 0.07 1INST005724S Request
RPGF2552030S Forward 3000 Lohms 0.07 1INST005724S Request
RPGF2552040S Forward 4000 Lohms 0.07 1INST005724S Request
RPGF2552050S Forward 5000 Lohms 0.07 1INST005724S Request
RPGF2552060S Forward 6000 Lohms 0.07 1INST005724S Request
RPGF2552080S Forward 8000 Lohms 0.07 1INST005724S Request
RPGF2552100S Forward 10,000 Lohms 0.07 1INST005724S Request
RPGF2552120S Forward 12,000 Lohms 0.07 1INST005724S Request
RPGF2552150S Forward 15,000 Lohms 0.07 1INST005724S Request
RPGF2552200S Forward 20,000 Lohms 0.07 1INST005724S Request
RPGF2552250S Forward 25,000 Lohms 0.07 1INST005724S Request
RPGF2552300S Forward 30,000 Lohms 0.07 1INST005724S Request
RPGF2552400S Forward 40,000 Lohms 0.07 1INST005724S Request
RPGF2552450S Forward 45,000 Lohms 0.07 1INST005724S Request
RPGR2552005S Reverse 500 Lohms 0.07 1INST005724S Request
RPGR2552006S Reverse 600 Lohms 0.07 1INST005724S Request
RPGR2552008S Reverse 800 Lohms 0.07 1INST005724S Request
RPGR2552010S Reverse 1000 Lohms 0.07 1INST005724S Request
RPGR2552012S Reverse 1200 Lohms 0.07 1INST005724S Request
RPGR2552015S Reverse 1500 Lohms 0.07 1INST005724S Request
RPGR2552020S Reverse 2000 Lohms 0.07 1INST005724S Request
RPGR2552025S Reverse 2500 Lohms 0.07 1INST005724S Request
RPGR2552030S Reverse 3000 Lohms 0.07 1INST005724S Request
RPGR2552040S Reverse 4000 Lohms 0.07 1INST005724S Request
RPGR2552050S Reverse 5000 Lohms 0.07 1INST005724S Request
RPGR2552060S Reverse 6000 Lohms 0.07 1INST005724S Request
RPGR2552080S Reverse 8000 Lohms 0.07 1INST005724S Request
RPGR2552100S Reverse 10,000 Lohms 0.07 1INST005724S Request
RPGR2552120S Reverse 12,000 Lohms 0.07 1INST005724S Request
RPGR2552150S Reverse 15,000 Lohms 0.07 1INST005724S Request
RPGR2552200S Reverse 20,000 Lohms 0.07 1INST005724S Request
RPGR2552250S Reverse 25,000 Lohms 0.07 1INST005724S Request
RPGR2552300S Reverse 30,000 Lohms 0.07 1INST005724S Request
RPGR2552400S Reverse 40,000 Lohms 0.07 1INST005724S Request
RPGR2552450S Reverse 45,000 Lohms 0.07 1INST005724S Request
For a companion 2.5 mm safety screen filter, click here.

Installation & Accessories

Installation & Manufacturing Tools
Replacement Parts & Accessories
PART NUMBER DESCRIPTION
CCRT0029354S 2.5 mm Restrictor Installation Tool

CAD Envelopes

Resources

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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