Ball valve,China Plug valve,Gate valve,Globe valve China Manufacturer

Manual knife gate valve

Tel:+86-577-21821566 / 21821577 / 21821599　Fax:+ 86-577-21822599
+Add:Qianshi Industry Zone,Oubei Town,Yongjia county,Zhejiang Province,P.R.China

Manual knife gate valve Series:Knife Gate Valve

Main performance specification

Nominal pressure(MPa)	Body testing (MPa)	Seal tesing (MPa)		Working temperature (℃)	Appropriate media
1.0 1.6	1.5 2.4	1.1 1.8		Rubber≤100℃ Y/H≤425℃	paper pulp,dirty water,coal slurry,ashes,compornds of water and slag.

Materials of main parts

Body,cover	Gate	Stem	Seal surface
stainless steel,carbon steel,cast iron	stainless steel	stainless steel	Rubber,TPFE,stainless steel,hard alloy

Nominal diameters and coupling sizes

Nominal pressure MPa	Nominal diameter DN	L ength	Flange diameter Bolt	Central round diameter	Coupled protruding part diameter	H	N-M	DO	Nominal pressure MPa	Nominal diameter DN	L ength	Flange diameter Bolt	Central round diameter	Coupled protruding part diameter	H	N-M	DO
1.0	50	50	160	125	100	285	4-M16	180	1.6	50	50	160	125	100	285	4-M16	180
	65	50	180	145	120	300	4-M16	180		65	50	180	145	120	300	4-M16	180
	80	50	195	160	135	315	4-M16	200		80	50	195	160	135	315	8-M16	200
	100	50	215	180	155	365	8-M16	220		100	50	215	180	155	365	8-M16	220
	125	50	245	210	185	400	8-M16	240		125	50	245	210	185	400	8-M16	240
	150	70	280	240	210	475	8-M20	280		150	70	280	240	210	475	8-M20	280
	200	70	335	295	265	540	8-M20	320		200	70	335	295	265	540	12-M20	320
	250	70	390	350	320	630	12-M20	350		250	70	405	355	320	630	12-M22	350
	300	80	440	400	368	780	12-M20	400		300	80	460	410	375	780	12-M22	400
	350	90	500	460	428	885	16-M20	400		350	90	520	470	435	885	16-M22	400
	400	100	565	515	482	990	16-M22	450		400	100	580	525	485	990	16-M27	450
	450	120	615	565	532	1100	20-M22	500		450	120	640	585	545	1100	20-M27	500
	500	130	670	620	585	1200	20-M22	550		500	130	705	650	608	1200	20-M30	550
	600	130	780	725	685	1450	20-M27	600		600	130	840	770	718	1450	20-M36	600
	700	160	895	840	800	1700	24-M27	600		700	160	910	840	788	1700	24-M36	600
	800	160	1010	950	905	2000	24-M30	700		800	160	1020	950	898	2000	24-M36	700
	900	160	1110	1050	1005	2300	28-M30	700		900	160	1120	1050	998	2300	28-M36	700
	1000	160	1220	1160	1115	2500	28-M30	700		1000	160	1255	1170	1110	2500	28-M42	700
	1200	200	1450	1380	1325	2800	32-M36	800		1200	200	1485	1390	1325	2800	32-M48	800

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Gear Knife gate valve	Lugged knife gate valve

Plug valve, also called cock or stop-cock valves, is one of the most widely used valves for both on/off and throttling services. Their design is fairly simple; the body is comprised of three main parts: body, cover and plug. The plug is a cylindrical, tapered, or generally cone-shaped device that can be raised or lowered within the seat to maintain, restrict or completely shut off flow. The valve is opened by rotation...
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