Main technical parameters
Nominal diameter	50～3000mm	Nominal pressure	0.1～4.0Mpa
proper temperature	-50～200	transfer method	Hand support, worm gear, pneumatic, electric
Applicable media	Water, steam, acid, alkali, oil, etc.
standard specification
Manufacturing Standards	GB12238-89	size standard	GB/T17241.6-98
Structure length	GB12221-89	Inspection standards	GB/T13927-92
Materials of main parts
valve body	valve plate	valve seat	stem	filler
QT450	QT450	Nitrile rubber	45	Flexible graphite
WCB	WCB	Ethylene propylene rubber	2Cr13
1Cr18Ni9Ti	1Cr18Ni9Ti	fluororubber	1Cr18Ni9Ti
Main overall dimensions and flange connection dimensions
Specification	D1	D2	D	Lmax	Lmin	H1	H2	Z-ød
100	180	155	215	216	174	110	170	8-ø18
125	210	185	245	232	186	123	185	8-ø18
150	240	210	280	239	194	140	210	8-ø23
200	295	265	335	264	214	170	238	8-ø23
250	350	320	390	296	235	195	270	12-ø23
300	400	368	440	300	250	222	300	12-ø23
350	460	428	500	320	270	252	330	16-ø23
400	515	482	565	332	282	285	368	16-ø25
450	565	532	615	355	305	310	402	20-ø25
500	620	585	670	365	315	337	438	20-ø25
600	725	685	780	420	370	393	490	20-ø30
700	840	800	895	446	396	450	558	24-ø30
800	950	905	1010	476	426	515	625	24-ø34
900	1050	1005	1110	506	456	560	685	28-ø34
1000	1160	1115	1220	516	466	610	750	28-ø34
1200	1380	1325	145	560	510	725	880	32-ø41
1400	1590	1525	1675	590	540	840	987	36-ø48
1600	1820	1750	1915	630	585	960	1158	40-ø54
1800	2020	1950	2115	680	630	1060	1258	44-ø54
2000	2230	2160	2325	730	680	1165	1365	48-ø54

Inquiry Cart 0