Flange type rubber seat butterfly valve

Flange type rubber seat butterfly valve Product introduction

Flange type rubber seat butterfly valve is used in on-off and control flow of medium in vaired pipelines such as foodstuff,beverage,machine,chemical engineering,industrial enviromental proction,water treatment and building ect .Flange type rubber seat butterfly valve Standard: ANSI, DIN, JIS, GB, etc
More Structure: Soft Seat Sealing ( Or metal seat sealing)

Flange type rubber seat butterfly valve Material :
1 Body : Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200;
Ductile Iron:ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15;
Stainless Steel: ASTM A351 CF8, CF8M;Carbon Steel: ASTM A216 WCB
2 Stem: Zinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM
A582 Type 416;
3 Taper Pin : Stainless Steel: ASTM A276 Type 304, Type 316;
4 Seat : NBR, EPDM, Neoprene, PTFE, Viton;
5 Disc : Ductile Cast Iron (Nickel plated):ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS- 400,Stainless Steel:ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501;
AL-Bronze: ASTM B148 C95400;
6 O-Ring: NBR, EPDM
7 Bushing :Polymer water-proof materials ,Nylon, Bronze;

Flange type rubber seat butterfly valve Main dimension

公称通径	L	D1	D	z-φd	H	H0	A	B
(DN)	L	D1	D	z-φd	H	H0	A	B
50	43	125	165	4-18	63	315	180	65
65	46	145	185	4-18	70	330	180	65
80	46	160	200	8-18	83	390	245	72
100	52	180	220	8-18	105	431	245	72
125	56	210	250	8-18	115	455	245	72
150	56	240	285	8-22	137	626	355	93
200	60	295	340	8-22	164	720	350	93
250	68	350	395	12-22	206	800	550	350
300	78	400	445	12-22	230	860	600	350
350	78	460	505	16-22	248	883	600	350
400	102	515	565	16-26	289	972	600	350
450	114	565	615	20-26	320	1043	750	380
500	127	620	670	20-26	343	1098	750	380
600	154	725	780	20-30	413	1236	750	380
700	165	840	895	24-30	478	1431	750	380
800	190	950	1015	24-33	525	1488	750	380

Flange type rubber seat butterfly valve Product show

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