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Diaphragm Valve隔膜阀

PVDF隔膜阀

It’s special for controlling the noncorrosive or the usual corrosive media. Its body inner surface is unlined or lined with different rubbers which can be selected to suit with different working temperatures and fluid pipelines.

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Features
1.The elastic sealed open and close element can avoid the inner leak.
2.The clipper-built interval channel can keep the small lose of pressure.
3.It hasn’t the stuffing box, so it doesn’t leak.
4.The diaphragm is changeable and the expense of maintenance is low.
5.The various lining materials can be suitable for all kinds of media and have the good corrosion-resistance.

Technical Date
Materials:
Body: Cast iron, ;spheroidal graphite cast iron, carbon steel, stainless steel
Bonnet: Cast iron, ;spheroidal graphite cast iron, carbon steel, stainless steel
Lining: Unlined, rubber
Diaphragm: Rubber

DN(mm)	NPS(inch)	L	D	D1	D2	f	b	Z-фd	d0	H	H1	WT(kg)
DN(mm)	NPS(inch)	PN0.6MPa / PN1.0MPa
15	1/2	125	95	65	45	2	14	4-ф14	100	105	110	3.5
20	3/4	135	105	75	55	2	16	4-ф14	100	115	125	4
25	1	145	115	85	65	2	16	4-ф14	120	120	135	5.5
32	11/4	160	135	100	78	2	18	4-ф18	120	125	150	8
40	11/2	180	145	110	85	3	18	4-ф18	140	135	175	11
50	2	210	160	125	100	3	20	4-ф18	140	155	195	14
65	21/2	250	180	145	120	3	20	4-ф18	200	170	200	23
80	3	300	195	160	135	3	22	4-ф18	200	200	255	29
100	4	350	215	180	155	3	22	8-ф18	280	270	325	46
125	5	400	245	210	185	3	24	8-ф18	320	335	405	70
150	6	460	280	240	210	3	24	8-ф23	320	370	450	95
200	8	570	335	295	265	3	26	8-ф23	400	480	600	170
250	10	680	390	350	320	3	28	12-ф23	500	545	620	270
300	12	790	435	395	362	4	24	12-ф23	500	585	680	320