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Home > Products > Diaphragm valve > Diaphragm valve

Description Material Performance Product Size Specifications

The diaphragm valve is a special form of work with the cutting function valve, the valve opening and closing parts is composed of steel and soft materials (rubber and fluorine plastic composite) for diaphragm and the inner cavity of the valve body and the valve cover cavity separated in order to achieve the purpose of cutting tube medium.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.

Serial number	Part name	Gray cast iron	cast steel	Stainless steel		Ultra low carbon steel
		Z	C	P	R	PL	RL
1	Valve body, valve cover, valve flap	HT250	WCB	CF8	CF8M	CF3	CF3M
2	The stem	35	1Cr13	1Cr18Ni19Ti	1Cr18Ni12Mo2Ti	00Cr18Ni10	00Cr17Ni14Mo2
3	lining layer	FEP（F46） PFA PCTFE（F3）
4	The diaphragm	FEP（F46）/CR（Butyl rubber） PFA（Soluble PTFE）/FPDM（Ethylene propylene rubber）
5	Stem nut	ZCuAL10Fe3 ZCuAL10Fe3
6	Bolt	35	35	1Cr17Ni2	1Cr17Ni2	1Cr17Ni9Ti	1Cr17Ni9Ti
7	Nut	45	45	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9
8	handwheel	HT200	HT200	WCC	WCC	WCC	WCC

No Information

Model	Nominal diameterDN(mm)	size（㎜）
		L	D	D1	D0	Z-φd	H	H1	H2	H3	weight (㎏)
G41WJFS-6\10	15	125	95	65	120	4-φ14					3.8
	20	135	105	75	120	4-φ14					4.2
	25	145	115	85	120	4-φ14	121	135			4.5
	32	160	1135	100	120	4-φ18	132	150			7
	40	180	145	110	140	4-φ18	156	176			9
	50	210	160	125	140	4-φ18	169	195			12
	65	250	180	145	200	4-φ18	202	236			18
	80	300	195	160	200	4-φ18	216	256			24.5
	100	350	215	180	280	8-φ18	270	322			38.5
	125	400	245	210	320	8-φ18	338	406			60
	150	460	280	240	320	8-φ23	384	464			82
G41WJFS-4	200	570	335	295	400	8-φ23	518	638			149
	250	680	390	350	500	12-φ23	598	734			240
	300	790	440	400	560	12-φ23	698	778			350
	350	900	500	460	560	16-φ23	723	883			392
	400	1000	565	515	640	16-φ25	868	1078			585
G45WJFS-6	32	180	135	100	120	4-φ18					7
	40	180	145	110	140	4-φ18			203	216	8.5
	50	210	160	125	140	4-φ18			213	229	14
	65	250	180	145	200	4-φ18			248	268	18
	80	300	195	160	200	4-φ18			281	305	30
	100	350	215	180	280	8-φ18			332	362	43
	125	400	245	210	320	8-φ18					67
	150	460	280	240	320	8-φ23			450	496	80
	200	570	335	295	400	8-φ23			594	654	150.2
	250	680	390	350	500	12-φ23			695	771	238

Manual	G41J(weir type)	Manual	G641J(Reciprocating)
	G41F5(weir type)		G641F5(Reciprocating)
	G45J(Direct current type)		G6B41F(Normally closed type)
	G45F5(Direct current type)		G6B41F5(Normally closed type)
Electric	G9B41J(Explosion proof type)	Electric	G941J(Ordinary type)
Electric	G9B41F5(Explosion proof type)	Electric	G941F5(Ordinary type)

Follow the norms	STANDARD
Design and manufacture	GB12239
Structure length	GB1221/JB1688
Flange size	JB78/JB79(GB HG SH)
Pressure test	GB/T13927
Label	GB12220
Supply commodity	GB/T12252

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