Features & Benefits

• Negative bias for controlling vacuum and low positive pressures
• 10 Ra microinch internal surface finish
• Metal to metal diaphragm to body seal for high leak integrity
• Precision Electro-Polish (P.E.P.) available
• Hastelloy^® trim option available

Specifications

Pressure Rating

Maximum Inlet Pressure     
120, 600, 3500 PSIG [8.3, 42, 240 bar]
Outlet Pressure Ranges
28″ Hg Vac – 15 PSIG [67 mbar abs. – 1 bar]
28″ Hg Vac – 30 PSIG [67 mbar abs. – 2 bar]
28″ Hg Vac – 60 PSIG [67 mbar abs. – 4 bar]
28″ Hg Vac – 100 PSIG [67 mbar abs. – 7 bar]

 

Material

Body: 316L SST Electropolish, 316L Internal Electropolish, 316L VAR SST Precision Electro-Polish (P.E.P.)
Valve Seat: Teflon^®, PCTFE
Diaphragm: 316L Stainless Steel
Valve Stem, Spring & Valve Guide: 316 Stainless Steel

 

Operating Temperature

PCTFE Seat: -40°F to +140°F [-40°C to +60°C]
Teflon^® Seat: -40°F to +160°F [-40°C to +71°C]

 

Port Size & Type

1/4″, 1/2″ VCR^® type tube stubs

 

Flow Capacity

Cv = .24, .15, .06

 

Load Type

Spring

 

Weight

2 lbs [.9 kg]