Flanged rubber seat butterfly valve

Flanged rubber seat butterfly valve Product introduction

Flanged 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 .Flanged rubber seat butterfly valve: ANSI, DIN, JIS, GB, etc
More Structure: Soft Seat Sealing ( Or metal seat sealing).

Flanged 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;

Flanged rubber seat butterfly valve Technical parameters

Description	Standard
Design and manufacture	EN593
Face to face	ISO5752 series14, EN558-1 series 14, DIN3202 F4
Flange and drilling	ISO7005-2, EN1092,
Pressure test	EN12266
Top flange of bare shaft valve	ISO5211
Top flange on worm gearbox for e-actuator	ISO5210

Flanged rubber seat butterfly valve Main part material

Name	Material
Body	ductile cast iron, WCB, stainless steel
Disc	ductile cast iron, WCB, stainless steel, Al-bronze
Stem	SS420, SS431
Disc seat ring	EPDM,NBR,VITON
Body seat ring	SS304
Retainer	SS304, SS316
Shaft bearing	Al-bronze, self-lubricating bearing
Bolt & nuts	8.8 grade galvanized, SS304
Coating	epoxy coating, thickness: min. 250 microns, color code: RAl5015, 5017, 5010, and etc.

Flanged rubber seat butterfly valve Main dimension

Size		Length	Outline dimension				Flange connection				Weight
Size		Length	Outline dimension				0.6MPa
mm	inch	L	H	H0	A	B	D	D1	D2	n-d
50	2	108	63	306	180	200	140	110	88	4-14	13
65	21/2	112	70	321	180	200	160	130	108	4-14	14
80	3	114	83	346	180	200	190	150	124	4-18	15.5
100	4	127	105	387	180	200	210	170	144	4-18	19.5
125	5	140	115	411	180	200	240	200	174	8-18	25.5
150	6	140	137	447	270	280	265	225	199	8-18	28.5
200	8	152	164	572	270	280	320	280	254	8-18	48
250	10	250	206	646	270	280	375	335	309	12-18	69
300	12	270	230	738	380	420	440	395	363	12-22	91
350	14	290	248	761	380	420	490	445	413	12-22	110
400	16	310	289	877	450	470	540	495	463	16-22	140
450	18	330	320	938	480	490	595	550	518	16-22	180
500	20	350	343	993	480	490	645	600	568	20-22	215
600	24	390	413	1131	480	490	755	705	667	20-26	290
700	28	430	478	1476	640	660	860	810	772	24-26	560
800	32	470	525	1533	640	660	975	920	878	24-30	910
900	36	510	585	1655	750	860	1075	1020	978	24-30	1500
1000	40	550	640	1765	850	900	1175	1120	1078	28-30	1750
1200	48	630	755	1995	850	900	1405	1340	1292	32-33	2180
1400	56	710	910	2310	1000	925	1630	1560	1510	36-36	2400
1600	64	790	1030	2595	1000	925	1830	1760	1710	40-36	2870
1800	72	870	1140	2810	1100	980	2045	1970	1918	44-39	3380
2000	80	950	1250	3100	1100	980	2265	2180	2180	48-42	4010

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