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Category:

Butterfly Valve

Butterfly Valve-Control

Keyword：

Electric Low Load Light Butterfly Valve

Electric low load light butterfly valve uses the middle line structure of the metal end seal design. Metal seal seats are built around the disc to minimize seat leakage. This series butterfly valve is simple in structure, light in weight, mature in manufacturing technology and convenient in maintenance.

Standard
Design standard	MSS SP-70, API 600, ASME B16.34, EN 1171, EN 593, JIS B2071, JIS B2041, GB/T 12235, GB/T12234, 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
Actuator standard	ISO 5211, ISO 15552, ISO 6432, ASME B16.34, EN 14110, GB/T, JB/T, HG/T, GOST, KS, etc

Technical data
Pressure range	ANSI 125~150#, PN2.5~20
Size range	DN100 (4”)~DN3000 (120”)
Face to face	ASME B16.10, EN558-1, JIS B2002, GB/T 12234, GB/T 12235, BS EN558-1, DIN 3202, GOST 3706, etc
Flanged/wafer ends	JB/T 79.1~JB/T 79.4, HG 20615/HG 20623/HG 20592, ANSI B16.5, ANSI B16.47, etc
Temperature range	-196℃~1100℃
Adjustable ratio	30:1

Valve material
Body material	Q235-B/A182-304, A182-316/A182-316L
Disk material	Q235-B/A182-304, A182-316/A182-316L
Trim material	304, 316, 316L, 2205, 2507, 2Cr13, 4Cr13, F11, F22, etc
Seat material	Q235-B/A182-304, A182-316/A182-316L
Stem material	ASTM A276 420, ASTM A276 F304/F316/F316L

Design feature
Body type	straight-through
Body shell strength	ASME B16.34, GB/T 9092, GB/T 13927, API 598
Valve shaft seal form	flexible graphite packing structure
Seat structure	multi-layer
Flow characteristics	approximate equal percentage

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