Clamped Type Multilayer Hard Sealing Butterfly Valve

Application of Standards

① The design and manufacture of valves are in accordance with JB/T8527 and GB/T12238.
② Acceptance and Inspection: GB/T 13927, GB/T26480
③ Flange connection dimensions: JB/T79, HG/T20592, GB/T9113
④ Structure length: GB/T12221
⑤ Temperature and pressure rating: GB/T12224
⑥ Fire safety: JB/T6899

Product specifications

① Main material: carbon steel, stainless steel, alloy steel
② Nominal diameter: DN40 to DN2000
③ Pressure range: 1.0MPa~6.4MPa
④ Operating temperature: -29℃~+600℃
⑤ Drive modes: manual, worm gear, electric, pneumatic, hydraulic
⑥ Application scope: It can be used for cutting off in the fluid pipelines of water supply, sewage, construction, food, electric power, medicine, metallurgy, light textile, energy, etc.

Main Components Material

		Material
Order number	Part name	Stainless steel	Cast steel
1	Bottom	CF8	WCB
2	Pad	304+ graphite	304+ graphite
3	Valve body	CF8	WCB
4	Valve stem	304	2Cr13
5	Valve seat	PTFE/304	PTFE/304
6	Platen	304	25
7	Alveolar plate	CF 8	WCB
8	Melt	304	2Cr13
9	Filling	PTFE	PTFE
10	Stuffing box gland	CF 8	WCB
11	Bolt	A193 B8	35CrMoA
12	Support	WCB	WCB
13	Worm gear	Groupware	Groupware

product-332-385

Wafer type multi-lager hard-seal butterfly valve Double clamping multi-level hard-seal butterfly valve

product-874-289

D373H

D673H

D973H

Key Size Measurements

			External dimensions (reference values)										Connection size (default)
Inside nominal diameter DN		Structure length (standard value)	External dimensions (reference values)										Connection size (default)
				D373H			D673H			D973H			PNO.6MPa		PN1.0MPa
mm	inch	L	H	H1	A1	B1	H2	A2	B2	H3	A3	B3	D1	n-d0	D1	Z-d
50	2	43	112	350	180	200	625	245	72	530	250	255	110	4-14	125	4-18
65	2 1/2	46	115	370	180	200	625	245	72	530	250	255	130	4-14	145	4-18
80	3	49	120	380	180	200	645	245	72	565	250	255	150	4-18	160	8-18
100	4	56	138	420	180	200	675	355	92	600	250	255	170	4-18	180	8-18
125	5	64	164	460	180	200	715	355	92	640	250	255	200	8-18	210	8-18
150	6	70	175	555	270	280	800	355	92	705	300	315	225	8-18	240	8-22
200	8	71	215	780	400	425	850	250	170	775	300	315	280	8-18	295	8-22
250	10	76	243	840	400	425	925	250	170	945	300	315	335	12-18	350	12-22
300	12	83	285	995	450	560	1035	450	220	1070	300	315	395	12-22	400	12-22
350	14	92	320	1050	450	560	1070	450	220	1140	300	315	445	12-22	460	16-22
400	16	102	350	1220	535	580	1190	450	220	1210	300	315	495	16-22	515	16-26
450	18	114	350	1280	535	580	1250	650	280	1335	575	714	550	16-22	565	20-26
500	20	127	380	1365	535	580	1290	650	280	1415	575	714	600	20-22	620	20-26
600	24	154	425	1460	570	660	1455	850	380	1605	656	810	705	20-26	725	20-30
700	28	165	480	1520	750	550	1585	850	380	1844	656	810	810	24-26	840	24-30
800	32	190	530	1710	750	550	1700	1250	380	2040	656	810	920	24-30	950	24-33
900	36	203	595	1810	750	550	1965	1250	380	2255	785	863	1020	24-30	1050	28-33
1000	40	216	650	1900	900	750	2015	1250	380	2380	785	863	1120	28-30	1160	28-36
1200	48	254	775	2280	1000	925	2250	1250	380	2640	785	863	1340	32-33	1380	32-39
1400	56	279	870	2450	1000	925	-	-	-	2886	-	-	1560	36-36	1590	36-42
1400	56	279	870	2450	1000	925	-	-	-	2886	-	-	1560	36-36	1590	36-42
1600	64	318	1000	2730	1000	925	-	-	-	3156	-	-	1760	40-36	1820	40-48
1600	64	318	1000	2730	1000	925	-	-	-	3156	-	-	1760	40-36	1820	40-48
1800	72	356	1110	3020	1100	980	-	-	-	3421	-	-	1970	44-39	2020	44-48
1800	72	356	1110	3020	1100	980	-	-	-	3421	-	-	1970	44-39	2020	44-48
2000	80	406	1250	3270	1100	980	-	-	-	3685	-	-	2180	48-42	2230	48-48
2000	80	406	1250	3270	1100	980	-	-	-	3685	-	-	2180	48-42	2230	48-48