Wedge Gate Valves（Pneumatic）-Pneumatic valve series-气动阀厂家-上海冠环阀门制造有限公司

Product Structure Features

Pneumatic gate valve is suitable for cutting off or connecting pipeline media in various working conditions such as petroleum, chemical industry, thermal power station and other working conditions with nominal pressure PN1.0~16.0MPa and working temperature -46~600°C.

Its main structural features are:

1. The product structure is reasonable, the sealing is reliable, the performance is excellent, and the shape is beautiful.
2. The sealing surface is surfacing Co-based cemented carbide, which has good wear resistance, corrosion resistance, scratch resistance and long service life.
3. The valve stem is tempered and surface nitrided, and has good corrosion resistance and scratch resistance.
4. The valve is equipped with an inverted sealing structure, which is reliable in sealing.
5. The material of parts, flange, butt welding end size can be reasonably selected according to actual working conditions or user requirements to meet various engineering needs.

Material of main parts

Body, bonnet, plate	Cast steel
The sealing surface of the valve body and gate	Alloy steel
Stem	Stainless steel
Stud bolt	35 steel
Cylinder	No. 20 seamless steel pipe
Piston	Cast aluminum alloy
Hand nut	Bronze
Sealing ring	Asbestos rubber sheet, wound metal graphite gasket
Piston rings and collars	Oil-resistant rubber O-ring
Stuffing box	Graphite asbestos rope

Main external connection dimensions

DN(mm)	L	D	D1	D2	b	Z-Φd	H	H1	D0	WT(kg)
Z640/641H-16CZ640/641Y-16PZ640/641Y-16R
50	250	160	125	100	16	4-φ18	950	570	180	36
65	265	180	145	120	18	4-φ18	1050	596	180	53
80	280	195	160	135	20	8-φ18	1080	635	200	72
100	300	215	180	155	20	8-φ18	1145	645	250	90
125	325	245	210	185	22	8-φ18	1210	685	250	120
150	350	280	240	210	24	8-φ23	1300	720	320	132
200	400	335	295	265	26	12-φ23	1660	940	400	258
250	450	405	355	320	30	12-φ25	1790	1050	400	297
300	500	460	410	375	30	12-φ25	1990	1150	450	420
350	550	520	470	435	34	16-φ25	2090	1170	450	558
400	600	580	525	485	36	16-φ30	2290	1325	500	840
450	650	640	585	545	40	20-φ30	2485	1465	500	1110
500	700	705	650	608	44	20-φ34	2640	1590	550	1380
600	800	840	770	718	48	20-φ36	2940	1720	550	1620
700	900	910	840	788	50	24-φ36	3450	1960	600	1966
800	1000	1020	950	898	52	24-φ41	3650	2190	600	2282
900	1100	1120	1050	998	54	28-φ41	3815	2400	800	2495
1000	1200	1255	1170	1110	56	28-φ48	4000	2650	800	2760