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Safety Relief Valves

1511 Series Safety Valve

The type 1511 safety valve is configured for low pressure, steam heating boilers and steam generators as well as air service applications.

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Specifications

SPEC VALUE
INLET SIZES 1½" through 6"
INLET RATINGS ANSI Class 250
OUTLET SIZES 2½" through 4"
OUTLET RATINGS ANSI Class 125
TEMPERATURE RANGE -20°F to 420°F
MATERIALS Cast iron body with brass trim
CERTIFICATION ASME Section I and VIII, PED and SQL
BLOWDOWN 4 %
BACK PRESSURE LIMIT 20 % of Set Pressure

Features and Benefits

  • Handles a broad range of operating conditions. Pressures up to 250 psig (17.24 barg) and operating temperatures as high as 406 F (207.8 C).
  • Available in a variety of sizes. From 1.5 inches (38.1 mm) to 6 inches (152.4 mm) in a complete range of ASME-certified orifice sizes.
  • Meets industry specifications. ASME Section I and VIII certified and offered with ASME/ANSI Class 125 and 250 flat face flanges.
  • Offers easy assembly and maintenance. Exposed-spring design provides quick, simple assembly and maintenance.
Industries Served

From application engineering, valve configuration, to performance testing, supply chain management and aftermarket support, we cover any specific industrial needs.