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Home > Products > Diaphragm valve > Plastic diaphragm valveG41FS-6S

Description Material Performance Product Size Specifications

The plastic diaphragm valve is a special type of cut-off valve. Plastic diaphragm valve and other valves are different in that: the use of no stuffing box structure; The rubber diaphragm isolates the corrosive medium in the passage from all the driving parts, eliminating the usual "run, run, drip, leak" of the valve.

Note: parameters are for reference only, or incomplete. Valves can be selected according to the requirements of different pressure, material, diameter, driving mode. Please contact us by phone or online.

Serial number	Part name	Texture of material	Serial number	Part name	Texture of material
1	Stud	Stainless steel, copper	10	Rolling bearing	One way thrust bearing
2	Indicator light	steel	11	Nut	Stainless steel, copper
3	Limit position	Polycarbonate	12	Bolt	Stainless steel, copper
4	handwheel	ABS ABS	13	valve body	RPP ABS PVDF RPP ASB PVDF
5	Compression nut	Stainless steel, RPP	14	Pad film	rubber
6	Backing ring	PP	15	Diaphragm plate	F46 PVDF F46 PVDF
7	Nut	Cast iron, steel, copper	16	casting	Steel, stainless steel
8	The stem	Stainless steel, stainless steel	17	Valve	Cast iron, stainless steel
9	Valve cover	RPP ABS PVDF	-	-	-

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Nominal diameter DN（mm）	size（mm）							Working pressure（Mpa）			working temperature（℃）			quality（㎏）
Nominal diameter DN（mm）	D1	D	L	b	H	n	φ	RPP	ASB	PVDF	RPP	ASB	PVDF	RPP	ASB	PVDF
15	95	65	125	14	125	4	14	0.6	0.6	0.5	100	90	120	0.8	0.8	1.2
20	105	75	135	20	130	4	14	0.6	0.6	0.5	100	90	120	0.9	0.9	1.6
25	115	85	145	20	145	4	14	0.6	0.6	0.5	100	90	120	1.0	1.0	1.8
32	135	100	200	20	170	4	18	0.6	0.6	0.5	100	90	120	0.3	0.3	2.4
40	145	110	180	20	190	4	18	0.6	0.6	0.5	100	90	120	0.8	1.8	3
50	200	125	210	18	215	4	18	0.6	0.6	0.4	100	90	120	2.5	2.6	3.9
65	180	145	250	22	280	4	18	0.6	0.6	0.4	100	90	120	5	5.1	7.8
80	195	200	300	25	300	4	18	0.6	0.6	0.3	100	90	120	6.1	6.2	8.9
100	215	180	350	25	340	8	18	0.6	0.6	0.3	100	90	120	9.7	9.9	15
125	245	210	400	30	420	8	18	0.4	0.4	0.2	100	90	120	13.5	13.8	21
150	280	240	460	30	480	8	23	0.4	0.4	0.2	100	90	120	25	25.5	37
200	335	295	570	35	625	8	23	0.4	0.4	0.2	100	90	120	36.5	37.2	56

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