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XD381X4 Grooved signal butterfly valve

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Product Description

Parameter/Standard

Design standards: GB/T 12238-2008, BS EN593, API 609-2009
Testing standard: GB/T 13927-2008
Working pressure: PN10/16
Connection standards: GB 5135.11, GB/T 17241.6, BS EN 1092
Standard for top flange: ISO 5211
Operating temperature: 0°C to 80°C
Casting material standards: GB/T 9441, BS EN 1563-2008
Valve stem: spline connection, parallel square, diagonal square, flat square
Surface treatment: Spray painting or epoxy resin powder coating

Material list

order number	part	standard layout	Optional configuration
1	valve body	Ductile cast iron QT450-10
2	O molding ring	acrylonitrile-butadiene rubber	EPDM
3	valve shaft	Stainless steel 420	Stainless steel 304/316/416/431
4	Butterfly blade	Ductile cast iron QT450- 10+EPDM	Ductile iron QT450-10+NBR
5	O molding ring	acrylonitrile-butadiene rubber	EPDM
6	worm gear	Ductile cast iron QT450-10
7	valve shaft	Stainless steel 420	Stainless steel 304/316/416/431

Note: If you need to select a non-standard configuration, specify it in the order or contract.

structure size

Nominal diameter DN		size （mm）
Inch	mm	T1	T2	T3	L	D	OD	C	A	B	K	H	H1	H2	H3	J	M	S	ISO5211
2"	50	65	89	32	81	50.6	60.3	57.15	15.88	7.93	90	206	158	52	108	147	150	14	F07
2.5"	65	71	102	32	97	60.8	73	69.09	15.88	7.93	90	206	158	52	108	147	150	14	F07
2.5"	65	71	102	32	97	60.8	76.1	72.26	15.88	7.93	90	206	158	52	108	147	150	14	F07
3"	80	81	109	32	97	76	88.9	84.94	15.88	7.93	90	206	158	52	108	147	150	14	F07
4"	100	95	128	32	116	98.6	114.3	110.08	15.88	9.53	90	206	158	52	108	147	150	16	F07
5"	125	111	141	32	148	123	139.7	135.48	15.88	9.53	90	206	158	52	108	147	150	16	F07
5"	125	111	141	32	148	123	141.3	137.03	15.88	9.53	90	206	158	52	108	147	150	16	F07
6"	150	133	153	32	148	148.2	165.1	160.9	15.88	9.53	90	206	158	52	108	147	150	20	F07
6"	150	133	153	32	148	148.2	168.3	163.96	15.88	9.53	90	206	158	52	108	147	150	20	F07
8"	200	164	184	45	133	198.8	219.1	214.4	19.05	11.1	125	310	239	69	121	184	200	26	F10
10"	250	196	216	45	159	252.4	273	268.28	19.05	12.7	125	310	239	69	121	184	200	26	F10
12"	300	226	254	45	165	300.6	323.9	318.29	19.05	12.7	125	307	229	73	121	184	250	28	F10

Note: During installation of the trench-type butterfly valve, the butterfly plate must not be fully open but should remain in a half-closed position, ensuring it does not protrude beyond the valve body.

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