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Pressure Relief Valves

2.5 mm Press-In Pressure Relief Valve

This direct-acting, cartridge safety pressure relief valve is specifically designed for installation into many common medical fittings and plastic housings. It can be installed in either forward or reverse flow directions. The valve features all stainless steel construction, making it compatible with a wide range of fluids and gases. A high quality metal seat provides low leakage, repeatable cracking pressure, fast response time, low hysteresis, and long life. The valve is 100% functionally tested to ensure performance. A ceramic ball version is also available.

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Key Product Facts
  • Mounting Configuration:Press-In - Into Plastic
  • Diameter:5.46 mm
  • Full Open Lohm Rate:750 Lohms
  • Maximum Working Pressure:Dependent on Housing Material
  • Relief Pressure Range:100 to 345 kPa
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Product Information

General Performance
Characteristic Specification
Full Open Lohm Rate 750 Lohms
Leakage 10 SCCM (max) at 500 kPa (72.5 psid) on Air
Maximum Working Pressure Dependent on Housing Material, Configuration, and Operating Conditions
Materials
COMPONENT MATERIAL
Body 303 Stainless Steel
Cage 305 Stainless Steel
Spring 302 Stainless Steel
Ball 440C Stainless Steel or Ceramic
Flow Curve
Cross Section View
Dimensional View
This image is for reference only. All dimensions are in millimeters.
Installation Hole Details
Installation Hole Drawing Number: 1INST012735S
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
Filter Part Numbers
BALL MATERIAL
PART NUMBER LOHM RATE CRACKING PRESSURE
BALL MATERIAL
INSTALLATION HOLE DRAWING NUMBER APPROXIMATE WEIGHT Request Information
CCPI2510100S 750 Lohms 100 +/- 15 kPa (14.5 +/- 2.2 psid) 440C Stainless Steel 1INST012735S 0.10 grams Request
CCPI2510150S 750 Lohms 150 +/- 22.5 kPa (21.8 +/- 3.3 psid) 440C Stainless Steel 1INST012735S 0.10 grams Request
CCPI2510200S 750 Lohms 200 +/- 30 kPa (29 +/- 4.4 psid) 440C Stainless Steel 1INST012735S 0.10 grams Request
CCPI2510250S 750 Lohms 250 +/- 37.5 kPa (36.3 +/- 5.4 psid) 440C Stainless Steel 1INST012735S 0.10 grams Request
CCPI2510300S 750 Lohms 300 +/- 45 kPa (43.5 +/- 6.5 psid) 440C Stainless Steel 1INST012735S 0.10 grams Request
CCPI2510345S 750 Lohms 345 +/- 51.8 kPa (50 +/- 7.5 psid) 440C Stainless Steel 1INST012735S 0.10 grams Request
CCPI2580100S 750 Lohms 100 +/- 15 kPa (14.5 +/- 2.2 psid) Ceramic 1INST012735S 0.09 grams Request
CCPI2580150S 750 Lohms 150 +/- 22.5 kPa (21.8 +/- 3.3 psid) Ceramic 1INST012735S 0.09 grams Request
CCPI2580200S 750 Lohms 200 +/- 30 kPa (29 +/- 4.4 psid) Ceramic 1INST012735S 0.09 grams Request
CCPI2580250S 750 Lohms 250 +/- 37.5 kPa (36.3 +/- 5.4 psid) Ceramic 1INST012735S 0.09 grams Request
CCPI2580300S 750 Lohms 300 +/- 45 kPa (43.5 +/- 6.5 psid) Ceramic 1INST012735S 0.09 grams Request
CCPI2580345S 750 Lohms 345 +/- 51.8 kPa (50 +/- 7.5 psid) Ceramic 1INST012735S 0.09 grams Request
Clear Filters
Cracking pressure is defined as the pressure at which uprun flow exceeds 50 SCCM of air.

Installation & Accessories

Replacement Parts & Accessories
PART NUMBER DESCRIPTION
CCRT0024277S Forward 2.5 mm Press-In Installation Tool
CCRT0048048S Reverse 2.5 mm Press-In Installation Tool

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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