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Knife Gate Valve

Knife gate valve is mainly used to cut off or control the flow of fluid at low pressure and normal temperature. Its advantages lie in its simple flow channel form, no unnecessary dead corners and turns in the fluid channel, and low fluid resistance, which can effectively reduce the energy consumption and cost of the system. In addition, the knife gate valve has compact structure, convenient installation and maintenance, and can meet the control requirements of various fluids.

Standard
Design standard	MSS SP-70, API 600, ASME B16.34, EN 1171, EN 593, JIS B2071, JIS B2041, GB/T 12235, GB/T 12234, etc
Wall thickness standard	ASME B16.34, API 600, EN 558-1, JIS B2071, EN 13709, GB/T 12235, GB/T 12234, etc
Thread standard	ASME B16.5, ASME B16.47, ASME B16.25, EN 1092-1, EN 1759-1, EN 12627, JIS B2239, JIS B2312, JIS B2071, GB/T 9113, GB/T 12221, GB/T 12224, etc

Technical data
Pressure range	PN1.0~PN1.6Mpa, ANSI 150lb, JIS 10K
Size range	DN50 (2”)~DN600 (24”)
Flanged ends	ANSI B16.5, ANSI B16.47, EN 1092-1, JIS B2220, etc
Face to face	ASME B16.10, EN558-1, JIS B2002, GB/T 12234, GB/T 12235, BS EN558-1, DIN 3202, GOST 3706, etc
Temperature range	-29℃~120℃

Valve material
Body material	WCB, CF8, CF8M, etc
Trim material	304, 316, 316L, 2205, 2507, 2Cr13, 4Cr13, F11, F22, etc
Seat material	20Cr13, 304, 316, etc
Gate material	20Cr13, 304, 316, etc
Stem material	2Cr13
Gasket	316+Flexible graphite, 316+PTFE

Design feature
Body type	straight-through
Bonnet form	standard
Flow characteristics	quick opening

Inspection and test
Leakage rating	API 598, EN 12266-1, JIS B2003, GB/T 13927, BS EN12266-1, DIN 3230-3, GOST 9544, etc
Inspection and testing standard	API 598, EN 12266-1, JIS B2003, GB/T 13927, GB/T 12220, BS EN 12266-1, DIN 3230-3, GOST 9544, etc