Revolutionary modulating action pilot operated relief valve designed specifically for Economizer service meeting the stringent requirements of ASME Code Section I. Certified capacities for steam and water. Proportional design opens according to relief demand, thereby eliminating chatter. Suitable for steam, water or flashing water service.
Anderson Greenwood Series 5100 was the first and is the ONLY non-flowing, modulating pilot operated pressure relief valve that is certified under ASME Section I. The Series 5100 is a unique soft seated pressure relief valve that requires no elastomer seats or seals. All plastic soft goods trim materials provide an economical way to handle high temperatures and aggressive lading fluids. This design provides an alternative to the traditional metal seated direct acting pressure relief valves used in these installations.
Sizes: 1" x 2" to 8" x 10"
Orifices: 0.307 to 38.96 in2 [1.981 to 251.3 cm2]
Inlet Ratings: ANSI Class 150 to 2500
Maximum Temperature: 515°F [268°C]
Set Pressures: 15 to 6170 psig [1.03 to 454.4 barg]
Code: ASME I
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