Features & Benefits 

• Constant outlet pressures with variable inlet pressures
• Balanced main valve to reduce seat load which insures longer seat life
• Wide flow range capability
• Low droop; low lock-up
• Rapid response time
• Mounts in any position
• Two orifice sizes available: 1/4″ and 3/8″ [6.4 mm and 9.5 mm] diameter

Specifications

Pressure Rating

Maximum Inlet Pressure:
Stainless Steel Body (.25″ [6.4 mm] orifice): 10,000 PSIG [690 bar]
Stainless Steel Body (.375″ [9.5 mm] orifice): 6,000 PSIG [414 bar]
Aluminum Body: 6,000 PSIG [414 bar]
Brass Body: 6,000 PSIG [414 bar]
Outlet Pressure Ranges:
Up to maximum inlet

 

Material

Body: 303 Stainless Steel, 316 Stainless Steel, Aluminum or Brass
Diaphragm: Buna-N
O-rings: Buna-N
Back-up Rings: PTFE
Seat: CTFE
Retaining Ring: 15-7 Stainless Steel
Valve Cap: 17-4 Stainless Steel
Remaining Parts: 300 Series Stainless Steel

 

Operating Temperature

-40°F to +165°F [-40°C to +73°C]

 

Port Size & Type

In & Out Port Type: SAE, NPT, MS33649
Dome Port: 1/4″ MS33649, 1/4″ NPT, 1/4″ MS33649
Inlet & Outlet Port Size: 3/8″, 1/2″

 

Flow Capacity

.25″ [6.4 mm] orifice: Cv = .46
.375″ [9.5 mm] orifice: Cv = 1.30

 

Load Type

Dome

 

Weight

Stainless Steel: 10 lbs [4.5 kg]
Aluminum: 4 lbs [1.8 kg]