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Description Material Performance Product Size Specifications

Product [pipe network flange telescopic butterfly] details：

Product model：GSd343H/F/X

Product Name: flange expansion butterfly valve

Product features: This butterfly valve is suitable for underground pipe network supply and drainage pipeline for opening and closing or regulating medium flow, with moisture resistance, corrosion resistance, long life and other characteristics. The standard design standard: GB/T12238-1989 flange size: GB/T9113.1-2000; GB/T9113.2-2000 GB/T9115.1-2000; GB/T9115.2-2000: GB/T13927-1992; JB/T9092-199 net test pressure flange telescopic butterfly valve, flange telescopic butterfly valve, telescopic butterfly valve.

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Flange type telescopic butterfly valveGSd343H/F/X-6/10/16Series connection size：

Nominal diameter		Dimensions (reference values)							Flange dimensions and bolt hole dimensions (standard values)
Nominal diameter		H	H1	Design maximum length	Design minimum length	Design length	A	B	0.6MPa				1.0MPa				1.6MPa
millimeter	inch	H	H1	Design maximum length	Design minimum length	Design length	A	B	D	D1	D2	n-d	D	D1	D2	n-d	D	D1	D2	n-d
200	8	174	607	265	215	245	190	308	320	280	254	8-18	340	295	266	8-22	340	295	266	12-22
250	10	215	688	295	235	265	190	308	375	335	309	12-18	395	350	319	12-22	405	355	319	12-26
300	12	245	742	308	254	282	190	308	440	395	363	12-22	445	400	370	12-22	460	410	370	12-26
350	14	270	797	325	271	300	190	308	490	445	413	12-22	505	460	429	16-22	520	470	429	16-26
400	16	305	930	345	283	314	270	466	540	495	463	16-22	565	515	480	16-26	580	525	480	16-30
450	18	325	975	370	314	340	270	466	595	550	518	16-22	615	565	530	20-26	640	585	548	20-30
500	20	360	1065	377	316	346	270	466	645	600	568	20-22	670	620	582	20-26	715	650	609	20-33
600	24	445	1225	446	388	417	457	625	755	705	667	20-26	780	725	682	20-30	840	770	720	20-36
700	28	505	1343	445	395	425	457	625	860	810	772	24-26	895	840	794	24-30	910	840	794	24-36
800	32	560	1436	1060	850	900	457	625	975	920	878	24-30	1015	950	901	24-33	1025	950	901	24-39
900	36	630	1616	515	455	485	598	853	1075	1020	978	24-30	1115	1050	1001	28-33	1125	1050	1001	28-39
1000	40	680	1711	525	465	495	598	853	1175	1120	1078	28-30	1230	1160	1112	28-36	1255	1170	1112	28-42
1200	48	795	1971	574	512	542	598	853	1405	1340	1295	32-33	1455	1380	1328	32-39	1485	1390	1328	32-48
1400	56	900	2218	599	547	572	860	1345	1630	1560	1510	36-36	1675	1530	1530	36-42	1685	1590	1530	36-48
1600	64	1100	2578	640	589	615	860	1345	1830	1760	1710	40-36	1915	1820	1750	40-48	1930	1820	1750	40-56
1800	72	1124	2689	725	670	695	860	1345	2045	1970	1718	44-39	2115	2020	1950	44-48	2130	2020	1950	44-56
2000	80	1292	3022	764	680	722	952	1592	2265	2180	2125	48-42	2325	2230	2150	48-48	2345	2230	2150	48-62

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