Features & Benefits
- High flow capacity
- Close pressure differential between crack and reseat
- Bubble-tight shutoff at all reseating pressures
- Large Gylon® diaphragm provides maximum sensitivity
- Dome loaded and air actuated options available
- Four control pressure ranges
Specifications
Pressure Rating
Controlled Pressure Ranges
0-20, 0-50, 0-125, 0-200 PSIG [0-1.4, 0-3.5, 0-8.6, 0-14 bar]
0-300 PSIG [20 bar] (for Air Load)
Material
Body, Bonnet, Back Cap: 316 Stainless Steel or Brass
Main Valve Seat: Buna-N, Ethylene Propylene, Chemraz® or Viton®
Diaphragm: Gylon®
O-rings: Buna-N, Ethylene Propylene, Chemraz® or Viton®
Remaining Parts: 300 Series Stainless Steel, Nitronic 60
Operating Temperature
-20°F to +165°F [-29°C to +74°C]
Port Size & Type
Inlet & Outlet Port Type: SAE, NPT, MS33649
Inlet & Outlet Port Size: 1/2″, 3/4″, 1″
Flow Capacity
Cv = 5.0
Load Type
Spring, Air Actuated, Dome
Weight
Stainless Steel: 15 lbs. [6.8 kg]
Brass: 16 lbs. [7.3 kg]