Iron gate design standards and the scope of application

Iron gate material design standards and application of the tableSerial numbercategoryStandard codestandard nameThe scope of applicationNominal diameter / mmNominal pressure or pressure ratingapplication

1	grey cast iron, Malleable iron	GB / T	Universal valve flange connection iron gate valve	50 ~ 1800	0.1 ~ 4.0MPa	Universal
		ISO5996-2000	Cast iron gate	40 ~ 1000	0.1 ~ 5.0MPa
		ISO7259-2000	Mainly by the wrench operated underground cast iron gate valve	50 ~ 300	1.0 ~ 4.0MPa
2	grey cast iron	API595-1994	Flange connection cast iron gate valve	50 ~ 600	CL125,250	Petroleum, petrochemical industry
		MSS-SP-70-1990	Flange and thread end cast iron gate valve	Flange 50 ~ 1200 Thread 50 ~ 150	CL125,250,800	Universal
		BS5150-1999	Universal wedge single gate or double gate cast iron gate valve	10 ~ 1000	0.6 ~ 2.5MPa
		BS5151-1999	General cast iron (parallel gate valve) gate valve	40 ~ 1000	1.0 ~ 2.5MPa
		JISB2031-1999	Gray cast iron gate valve	40 ~ 300	5K, 10K
		JISB2062-1999	Waterway with a single gate valve	50 ~ 1500	The maximum applicable pressure 0.735MPa
		JPI-7S-37-1999	Flange connection cast iron thread gate valve	40 ~ 350	CL125	Petroleum, petrochemical industry
		JISB2043-1999	1.0MPa flange connection made of cast iron dark bar gate valve	50 ~ 300	10K	Universal
		JISB2044-1999	1.0MPa flange connection made of cast iron gate valve	50 ~ 300	10K
3	Malleable iron	JISB2052-1999	1.0MPa screwed malleable iron gate valve	15 ~ 50	10K
		GB / T	Flange connection cast iron gate valve	50 ~ 1800	0.1 ~ 4.0MPa
		API604-1994	Flanged ductile iron gate valve	15 ~ 600	CL150,300	Petroleum, petrochemical industry
		BS5163-1999	Water supply system gate valve	80 ~ 1500	1.0 ~ 1.6MPa	Urban construction clean water or sewage

Iron gate valve design standards tablenamestructure typeApplicable design standards

Cast iron rod valve	1, the flow channel: straight 2, valve body and valve cover connection: flange 3, the connection: flat flange (FF) or convex flange, usually a flat flange 4, the gate: wedge single gate	JISB2044-1999 GB / T BS5151-1999 JISB2031-1999 JPI-7S-37-1999 MSS-SP-70-1990
Cast iron dark bar gate valve	1, the flow channel: straight 2, valve body and valve cover connection: flange 3, the connection: flat flange (FF) or convex flange, usually a flat flange 4, the gate: wedge single gate (Stem does not lift)	JISB2043-1999 GB / T BS5151-1999 JISB2031-1999 JISB2062-1999 API604-1994
Thread connecting dark bar gate valve	1, the flow channel: straight 2, the valve body and the valve cover connection: internal thread 3, the connection: thread 4, gate: wedge single gate valve	JISB2051-1999 JISB2052-1999
American cast iron gate valve	1, there are bright rod and dark rod two 2, single-sided seal	API595-1994 MSS-SP-70-1990
Soft seal gate valve	1, the valve body: the lower part of the body channel smooth, as a pipe, do not deposit dirt 2, the gate: gate seal covered rubber 3, valve body and bonnet connection: stainless steel bolt connection 4, Manipulation methods: manual, sprocket drive, gear drive, electric 5: flange connection size: BS4504-2000	BS5163-1999

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