Autoclave SWKO4400 O-ring Type Excess Flow Valve
Low Pressure “Speedbite”, Single Ferrule to 15,000 psi
Protects pressure gauges and other instrumentation from sudden surges in flow due to operator error or line failure. This valve provides dependable, tight shut-off.
Autoclave SWKO4400 O-ring Type Excess Flow Valve Technical Data:
- Description: 1/4″ Low Pressure O-ring Type Excess Flow Valve
- Size: 1/4″
- Connection Type: SW250
- Pressure Rating: 15,000 psi
- Orifice Diameter: 0.188″
- Cv: 3 (check flow – CFM Nitrogen @ 500 psig & RT)
- Hex Size: 0.81″
- Length: 3.12″
- Temperature:
- Viton (FKM) o-ring (standard): 0F to +400F.
- Buna-N o-ring (-BO suffix): 0F to +250F.
- PTFE o-ring (-TO suffix): -100F to +400F.
- Resetting valve: Equalize the pressure across the poppet. The poppet will drop and reset automatically.
- Installation: Since this type of check valve employs a non-spring loaded poppet, the valve MUST be installed in a VERTICAL position with the arrow on the valve body pointing UP.
- Repair Kit: Excess flow valves are easily repaired. Add “R” to front of valve part number for corresponding repair kit.
CAUTION: While testing has shown o-rings to provide satisfactory service life, both cyclic and shelf life vary widely with differing service conditions, properties of reactants, pressure and temperature cycling and the age of the o-ring. FREQUENT INSPECTIONS SHOULD BE MADE to detect any deterioration and o-rings should be replaced as required.
Please contact our Sales Department for assistance in selecting the right products for your application.
Product Catalog: Parker Autoclave Low Pressure Fittings & Tubing
