China Metal Seated Seal Butterfly Valves Suppliers, Manufacturers, Factory

Metal Seated Seal Butterfly Valves

The butterfly plate of the metal hard seal butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical passage of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, and the rotation angle is between 0° and 90°. When the rotation reaches 90°, the valve is in a fully open state.

Product parameter of seal metal seated butterfly valve:

Nominal diameter: DN50-DN1000
Connection mode: wafer, flange type
Pressure classes: PN1.0mpa, PN1.6mpa, PN2.5mpa

Structure: Triple eccentric structure

Seat seal: hard alloy, tungsten carbide, nickel alloy
Valve plate quality: WCB, 304, 316
Valve stem material: 304
Applicable medium: water, gas, steam, high temperature medium, wear-resisting medium

Standard of metal seated hard sealing butterfly valve:

Design and manufacture: JB/T8527-1997
Length of structure: GB/T12221-2005
Pressure test: GB/T13927-2008

Connection standard: JB/T 79.1-1994

Design basis :GB/T12237,ANSI B16.34,API 608

Structure length :GB/T12221,ASME B16.10,JIS B2002
Flanged ends :GB/T9113,ASME B16.5,JIS B2212/JIS B2214
Wall thickness: ASME B16.34
Fire test :API 607 4th 1993
Detection and testing :GB/T 13927,API598,JIS B2003

metal seated seal butterfly valves supplier

Dimension of metal seated butterfly valve:

DN		Length		Size
DN		L		H
MM	Inch	Short	Length		H1	A1	B1
50	2	108	150	112	350	180	200
65	2 1/2	112	170	115	370	180	200
80	3	114	180	120	380	180	200
100	4	127	190	138	420	180	200
125	5	140	200	164	460	180	200
150	6	140	210	175	555	270	280
200	8	152	230	208	605	270	280
250	10	165	250	243	680	270	280
300	12	178	270	283	800	380	420
350	14	190	290	310	830	380	420
400	6	216	310	350	915	450	470
450	8	222	330	380	960	480	490
500	20	229	350	410	1020	480	490