Flange Full Lift Safety Valves can be used on systems where the discharge is relatively simple. The
pressure in the discharge system can be atmospheric, at a constant level or
where the pressure may build up to a maximum of 10% of the set pressure. When a
constant back pressure exists, the valve should be set at the differential
pressure
» Design verification: all design options and the various effects of system conditions, back
pressure etc. have been verified on Vatac’s in-house, extensive mass flow test
facility.
» Lighter and more compact construction: continuous design improvements have created, smaller and lighter valves to support
current industry design trends, especially space and weight savings.
» Interchangeable parts: valves can be modified from type to type, gas, liquid, conventional and
bellows simply by changing only a few parts.
» Simplified maintenance and service: re-engineering has reduced the number of parts, making maintenance easier
and more cost effective
» Material selection: a wide range of materials are offered including non-ferrous for low
temperature and oxygen service, as well as exotic alloys specifically for the
chemical and process industries.
» Cryogenic and oxygen service: Vatac’s state-of-the-art clean room and vapour degreasing facilities
ensure compliance with the stringent demands of cryogenic and oxygen
applications.
Standards Compliance and Design
Features:
» Manufactured under ISO 9001:2008 Management System, with
CE PED Certified
» Design Standards: ASME PTC 25.3, API RP 520, 521, API 526,
API 527, EN ISO 4126
» Face to Face: ASME B16.10, EN558-1 / DIN 3202
» Ends Standards: ASME B16.5, DIN 2543~2545, EN 12627
» Testing Standards: ISO 5208, API 598, DIN 3230, MSS SP-117
» Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex or Other Specials
» Ends Connections: Flanged(FF, RF, RTJ) to international
standards
» Sizes Range : DN15
through DN300, 1/2”~12”
» Pressure Class: ANSI CL150 to CL1500, PN16 to PN260
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