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The Series 3500 Flanged Safety-Relief Valves are of a full lift
design offering superior flow capacities suitable for steam, gas
and liquid services. Available as either ASME Section VIII
division 1 “UV Stamp” coded or to API 520 as standard. The
minimum set pressure for standard valves is 1.0 Bar, for valves
fitted with balancing bellows the minimum set pressure is 1.4
Bar up to and including the J orifice, reducing to 1.0 Bar for
the larger sizes K to T orifices.
Sizes available: 1” – 8”
Specification: In accordance with API 520
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