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Z81XS S-shaped grooved open-bar soft-sealed gate valve

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Product Description

Material list

order number	part	standard layout	Optional configuration
1	valve body	Ductile cast iron QT450-10
2	Elastic wedge-shaped gate	Ductile iron QT450-10 + EPDM rubber
3	Open valve stem	Stainless steel 420	Stainless steel 304/316/431; Aluminum bronze
4	Valve cover sealing gasket	EPDM	NBR
5	Valve cover	Ductile cast iron QT450-10
6	O molding ring	acrylonitrile-butadiene rubber	EPDM
7	O molding ring	acrylonitrile-butadiene rubber	EPDM
8	Normal pressure cover	Ductile cast iron QT450-10
9	support	Ductile cast iron QT450-10
10	Open-spoke nut with valve stem	Ductile cast iron QT450-10	Brass HPb59-1
11	copper backing	Brass HPb59-1
12	Main Handwheel	Ductile cast iron QT450-10
13	round nut	carbon steel
14	Grade 5 hexagonal nut	Zinc-coated steel	Stainless steel 304/316
15	Full bolt, Grade 4.8	Zinc-coated steel	Stainless steel 304/316
16	flat gasket	Zinc-coated steel	Stainless steel 304/316
17	Grade 8.8 internal hex bolt	Zinc-coated steel	Stainless steel 304/316

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	L	H1	H2	OD	d	A	B
2"	50	140	278	332	60.3	57.15	15.88	7.92
21/2"	65	150	300	366	76.1	72.26	15.88	7.92
3"	80	160	323	405	88.9	84.94	15.88	7.92
4"	100	178	391	491	114.3	110.08	15.88	9.52
5"	125	190	461	590	139.7	135.48	15.88	9.52
6"	150	210	530	680	165.1	160.9	15.88	9.52
8"	200	235	660	860	219.1	214.4	19.05	11.13

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