Admiral Valve Repair And Supply

The 1811 safety valve is a high capacity flanged steel safety valve designed for steam service.  The design is available in two pressure classes (300 and 600).  Both pressure classes are provided with a Thermodisc seat design to assure maximum seat tightness.

INLET SIZES:  1-1/4” to 6” flanged

 

INLET RATINGS:  ANSI Class 300 and 600

 

OUTLET SIZES: 1-1/2” to 8” flanged

 

OUTLET RATINGS:  ANSI Class 150

 

ORIFICE SIZES:  Ten sizes - F through Q

 

SET PRESSURE RANGE:  Up to 725 psig

 

TEMPERATURE RANGE: -20 deg F to 1000 deg F 

 

MATERIALS: Alloy and carbon steel cast body with stainless steel trim is standard.

 

CODE: ASME Sections I and VIII