Diaphragm Check Valves

Plastic Diaphragm Check Valves feature Straight Shaft, Single Barb, Triple Barb, Miniature, Precision Molded, Acrylic and High Flow Check Valves. Several Diaphragm and Housing options are available.

Diaphragm Check Valves Options

CV Series - Straight Shaft Check Valves
- Inlet: 1/8" Non-Barbed - Short or 1/8" Non-Barbed
- Outlet: 1/8" Non-Barbed or 1/4" Non-Barbed
- EPDM, Viton® or Fluorosilicone Diaphragm
- Plastic Diaphragm Check Valves are used to control flow in the lines of vacuum or pressure by permitting flow in one direction and preventing flow in the opposite direction
- The design of the check valve is such that it will operate in any orientation
- May be used in some vapor, gas and fluid systems
CV Series - Single Barb Check Valves
- 1/4" to 5/16" Hose Barbs
- EPDM, Viton®, Epichlorohydrine or Fluorosilicone Diaphragm
- Natural & Black Nylon, Nylon, Kynar or Polypropylene Housing
- Plastic Diaphragm Check Valves are used to control flow in the lines of vacuum or pressure by permitting flow in one direction and preventing flow in the opposite direction
- The design of the check valve is such that it will operate in any orientation
- May be used with air, gas and fluid systems
CV Series - Triple Barb Check Valves
- 3/8" Hose Barb - Triple Barbed
- Diaphragm: Epichlorohydrine or Viton
- Nylon or Kynar Housing
- Plastic Diaphragm Check Valves are used to control flow in the lines of vacuum or pressure by permitting flow in one direction and preventing flow in the opposite direction
- The design of the check valve is such that it will operate in any orientation
- May be used with air, gas and fluid systems
C Series - Miniature Plastic Check Valves
- 1/16”, 1/8” Hose Barb and 10-32 Female threads available
- Body materials include Polypropylene and Polysulfone
- Miniature size Plastic Diaphragm Check Valves with low cracking pressures
CVN/CVP/CVK Series - Precision Molded Check Valves
- Inlet: 1/8" to 3/8" Hose Barb, 1/8" Male NPT
- Outlet: 1/8" to 3/8" Hose Barb
- Available with Silicone, Viton and Neoprene diaphragm
- Body materials include Nylon, Polycarbonate, Kynar and Polypropylene
- All parting lines on the critical sealing surfaces have been eliminated
- After molding, check valves are assembled using a non-toxic technique without the use of foreign materials
Performance Characteristics
- Crack: 1/2 psi
- Seal: 1.9 psi
- Max Pressure: 50 psi
CVRT Series - High Flow Check Valves
- 1/8” to 3/8” Hose Barb
- Acrylic body with a silicone seal
LCVA Series - Luer Check Valves
- Male Luer Lock, Male Slip Luer and Female Luer Thread connections
- Polycarbonate body with a silicone seal