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Category:

Control Valve

Self Operated Regulating Valve

Keyword：

Self Operated Pressure Control Valve Boiler Steam

Self-operated pressure control valve consists of a control valve, an actuator and a spring that sets the pressure. Suitable for non-corrosive liquids, gases and vapours, in front of valves in the system piping (when the pre-valve pressure rises, the control valve opens) or after the valve (when the post-valve pressure rises, the control valve closes) pressure control.

Standard
Design standard	ANSI B16.34, API 6D, ISO 5208, DIN 3356, JIS B2071, BS 1873, GB/T 12237, GB/T 12238, EN 593, etc
Wall thickness standard	ANSI B16.34, BS 1873, DIN 3356, JIS B2071, EN 593, GB/T 12224, JB/T 3595, etc
Thread standard	GB/T 12716-1991 NPT, GB/T 7306-2000 PT, GB/T 7307-2001 G, DIN 2999, JIS B0203, NF E03-005, etc

Technical data
Pressure range	PN16, PN40, PN64, 150LB, 300LB, 600LB, 900LB
Size range	DN20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300
Pressure balance	stainless steel bellows
Flanged ends	ANSI B16.5, API 605, BS 4504, DIN 2501, JIS B2220, EN 1092-1, GB/T 9112, GB/T 17241.6, etc
Temperature range	-20~80℃, -20~3500℃

Valve material
Body material	cast steel (HT200), cast steel (ZG230-450), cast stainless steel (ZGICr18Ni9Ti, ZGICr18Ni12M02Ti), etc
Trim material	304, 316, 316L, 2205, 2507, 2Cr13, 4Cr13, F11, F22, etc
Plug material	stainless steel 1Crl8Ni9Ti, 1Crl8Ni12M02Ti (metal seat), stainless steel inlaid rubber ring (soft seat)
Seat material	304, 316, 316L, 410, 20, 17-4PH, Monel, Hastelloy, etc
Stem material	stainless steel (1Cr18Ni9Ti, 1Crl8Nil2M02Ti), etc

Design feature
Spool type	single seat (P), double seat (N), sleeve (M)
Flow characteristics	quick open

Inspection and test
Leakage rating	IEC60534: DN15~50, DN65~125, DN150~250, DN300 ; 10 bubble/min, 20 bubble/min, 40 bubble/min(soft seal) ; IV (metal seat)
Inspection and testing standard	ANSI/FCI 70-2, API 598, BS EN 12266, DIN EN 12266, JIS B2003, EN 12266-1, GB/T 13927, JB/T 9092, etc