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  • Combination Air Release and Degassing Valves
When three types of venting valves are needed, this valve will serve the function of all three.

Functions as Air Release Valve, which releases air during system start up.

Functions as Degassing Valve, which provides continuous degassing.

Functions as Vacuum Relief Valve, which prevents pipeline vacuum in case of leaks or siphon.

Self-guided, high buoyancy float, in combination with the elastomeric sealed poppet assures leak tight sealing with minimal emission of process fluid.
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Item #

Item Name

Connection Size

Body Material

Seal Material

Actuator Type

N/A 1 Inch (in) National Pipe Thread (NPT) Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 1 in N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 1 Inch (in) National Pipe Thread (NPT) Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 1 in N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM) N/A Air
N/A 2 Inch (in) National Pipe Thread (NPT) Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 2 in N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 2 Inch (in) National Pipe Thread (NPT) Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 2 in N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM) N/A Air
N/A 4 Inch (in) National Pipe Thread (NPT) Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 4 in N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 4 Inch (in) National Pipe Thread (NPT) Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 4 in N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM) N/A Air
N/A 1 Inch (in) National Pipe Thread (NPT) Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 1 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 1 Inch (in) National Pipe Thread (NPT) Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 1 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Fluorocarbon (FKM) N/A Air
N/A 2 Inch (in) National Pipe Thread (NPT) Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 2 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 2 Inch (in) National Pipe Thread (NPT) Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 2 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Fluorocarbon (FKM) N/A Air
N/A 4 Inch (in) National Pipe Thread (NPT) Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 4 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 4 Inch (in) National Pipe Thread (NPT) Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 4 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Fluorocarbon (FKM) N/A Air
N/A 1 Inch (in) Socket Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 1 in N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 1 Inch (in) Socket Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 1 in N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM) N/A Air
N/A 2 Inch (in) Socket Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 2 in N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 2 Inch (in) Socket Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 2 in N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM) N/A Air
N/A 4 Inch (in) Socket Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 4 in N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 4 Inch (in) Socket Polyvinyl Chloride (PVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 4 in N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM) N/A Air
N/A 1 Inch (in) Socket Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 1 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 1 Inch (in) Socket Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 1 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Fluorocarbon (FKM) N/A Air
N/A 2 Inch (in) Socket Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 2 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 2 Inch (in) Socket Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 2 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Fluorocarbon (FKM) N/A Air
N/A 4 Inch (in) Socket Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 4 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Ethylene Propylene Diene Monomer (EPDM) N/A Air
N/A 4 Inch (in) Socket Chlorinated Polyvinyl Chloride (CPVC) Combination Air Release and Degassing Valve with Fluorocarbon (FKM) Seal N/A 4 in N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Fluorocarbon (FKM) N/A Air
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