The 1811 safety valve is a cost-effective, high-capacity, flanged steel safety valve designed for steam service.

Product Features

• Thermodisc provides superior repeatable seat tightness

Specifications

• ASME Sections I and VIII
• ANSI Classes 300, 600
• Inlet sizes 1.25″ to 6″
• Orifice sizes F to Q
• Pressures from 15 to 725 psig
• Temperatures from -20°F to 1000°F
• Blowdown 4%

Service

• Steam