The regulating knife gate valve has the advantages of simple and compact structure, reasonable design, light material saving, reliable sealing, light and flexible operation, small size, smooth channel, small flow resistance, light weight, easy installation and easy disassembly, etc. It completely solves the problem of ordinary gate valves, Flat gate valves, globe valves, regulating valves, butterfly valves, ball valves and other valves commonly have difficult problems such as heavy weight, large flow resistance, large area, and difficulty in installation. They can replace general cut-off valves and regulating valves, and can be used at working pressures of 1.0MPa-2.5 MPa, operating temperature -29-650℃ working conditions.

Sizes DN 50 - DN 1800
Face-to-face dimension according to EN 558-1 line 20/16 (DIN 3202 K1/K3)
Body GG25, EN GJL-250/GGG40, EN GJS-400-15, Stainless steel 1.4408
Coating EKB, both inside and outside
Colour RAL 5010
Plate Stainless steel 1.4301, 1.4571, 1.4462 etc.
Sealings NBR (EPDM, FPM, PTFE, ceramic fibre etc.)
Certifications CE-Marking, FDA approval, ATEX (zone 0/20), SIL

Nominal diameter and connection dimensions:

Nominal pressure (MPa)	Nominal diameter DN	length	Flange outer diameter	Bolt hole center circle diameter	Connection protrusion diameter	H	N-M	Nominal pressure(MPa)	Nominal diameter DN	length	Flange outer diameter	Bolt hole center circle diameter	Connection protrusion diameter	H	N-M
0.6	50	50	140	110	90	650	4-M12	1.0	350	90	500	460	428	1300	16-M20
	65	50	160	130	110	680	4-M12		400	100	565	515	482	1500	16-M22
	80	50	185	150	125	700	4-M16		450	120	615	565	532	1700	20-M22
	100	50	205	170	145	750	4-M16		500	130	670	620	585	1800	20-M22
	125	50	235	200	175	780	8-M16		600	130	780	725	685	2100	20-M27
	150	70	260	225	200	860	8-M16		700	160	895	840	800	2300	24-M27
	200	70	315	280	255	920	8-M16		800	160	1010	950	905	2600	24-M30
	250	70	370	335	310	1010	12-M16		900	160	1110	1050	1005	3000	28-M30
	300	80	435	395	362	1200	12-M20		1000	160	1220	1160	1115	3200	28-M30
	350	90	485	445	412	1300	12-M20		1200	200	1450	1380	1325	3500	32-M36
	400	100	535	495	462	1500	16-M20	1.6	50	50	160	125	100	650	4-M16
	450	120	590	550	518	1700	16-M20		65	50	180	145	120	680	4-M16
	500	130	640	600	568	1800	16-M20		80	50	195	160	135	700	8-M16
	600	130	755	705	670	2100	20-M22		100	50	215	180	155	750	8-M16
	600	130	755	705	670	2100	20-M22		125	50	245	210	185	780	8-M16
	700	160	860	810	775	2300	24-M22		150	70	280	240	210	860	8-M20
	800	160	975	920	880	2600	24-M27		200	70	3 35	295	265	920	12-M20
	900	160	1075	1020	980	3000	24-M27		250	70	405	355	320	1010	12-M22
	1000	160	1175	1120	1080	3200	28-M27		300	80	460	410	375	1200	12-M22
	1200	200	1400	1340	1295	3500	32-M30		350	90	520	470	435	1300	16-M22
1.0	50	50	160	125	100	650	4-M16		400	100	580	525	485	1500	16-M27
	65	50	180	145	120	680	4-M16		450	120	640	585	545	1700	20-M27
	80	50	195	160	135	700	4-M16		500	130	705	650	608	1800	20-M30
	100	50	215	180	155	750	8-M16		600	130	840	770	718	2100	20-M36
	125	50	245	210	185	780	8-M16		700	160	910	840	788	2300	24-M36
	150	70	280	240	210	860	8-M20		800	160	1020	950	898	2600	24-M36
	200	70	335	295	265	920	8-M20		900	160	1120	1050	998	3000	28-M36
	250	70	390	350	320	1010	12-M20		1000	160	1255	1170	1110	3200	28-M42
	300	80	440	400	368	1200	12-M20		1200	200	1485	1390	1325	3500	32-M48

Knife Type Gate Valve

stainless steel gate valve cast steel gate valve

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Adjustable Knife Gate Valve