CNS Forged Steel Flange Valve-Gate valve series-闸阀厂家-上海冠环阀门制造有限公司

Product Structure Features

GB Cast steel gate valve are used to cut or connect the pipe media under nominal pressure between PN1.6-16.0Mpa, working temperatures between-46~600℃. In oil industry, chemical industry, fossil-fired power plants.

The main structure features include

1. sensible products structure, reliable sealing. Excellent performance and good looking.

2. Co hard alloy welded sealing surface, which is wearing resistant, erosion proof, abrasion proof and long-lived.

3. The surface and the adjusting media of the valve shaft are nitrogenized so that it is erosion and abrasion resistant.

4. There is no backward sealing structure in the valve, so the sealing id reliable.

5. The material of the filling and the flange size can be chosen and matched according to the applications and the requirements of the use's. That can satisfies all kinds of working requirements.

Main external connection dimensions

DN(mm)	L	D	D1	D2	b-f	z-φd	Manual
DN(mm)	L	D	D1	D2	b-f	z-φd	H	D0
Z40/41H/W-10C Z40/41/H/Y-10P/R/PL/RL Z40/41W-10P/R/PL/RL Z40/41Y-10I
25	127	115	85	65	14-2	4-φ14	257	140
32	140	135	100	78	16-2	4-φ18	257	160
40	165	145	110	88	18-3	4-φ18	257	180
50	180	160	125	102	18-3	4-φ18	289	180
65	195	180	145	122	18-3	4-φ18	334	180
80	210	195	160	138	20-3	8-φ18	377	200
100	230	215	180	158	20-3	8-φ18	433	200
125	255	245	210	188	22-3	8-φ18	527	240
150	280	280	240	212	22-3	8-φ22	596	240
200	330	335	295	268	24-3	8-φ22	772	320
250	360	390	350	320	26-3	12-φ22	904	320
300	420	440	400	370	26-4	12-φ22	1045	400
350	450	500	460	430	26-4	16-φ22	1177	400
400	480	565	515	482	26-4	16-φ26	1345	500
450	510	615	565	532	28-4	20-φ26	1497	500
500	540	670	620	585	32-4	20-φ26	1648	720
600	600	780	725	685	36-5	20-φ30	1648	720
700	660	895	840	800	36-5	24-φ30	1648	720
800	720	1010	950	905	38-5	24-φ33	1648	720
900	800	1110	1050	1005	38-5	28-φ33	1648	720
1000	850	1220	1160	1115	38-5	28-φ36	1648	720
1200	1000	1450	1380	1328	44-5	32-φ39	1648	720