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Pneumatic knife gate valve


Pneumatic knife gate valve	Pneumatic knife gate valve Structure diagram

1.Pneumatic knife gate valve Product overview

pneumatic knife gate valve that includes soft seal and hard seal is a new structure .Soft seal with activities seat and changeable rubber ring composition can easily replace damage seal ring to achieve sealing requirement well, and can be made of PTFE seals according to customer's demands, and can achieve good sealing requirements. It completely makes up for past PTFE difficult to seal and processing inconvenient ,and yoke is casted into a model using structure to valve with better robustness and usability. It's suitable for paper making, mining, sewage, chemical industry, food industry.

2.Pneumatic knife gate valve Specification

Item No.: PZ673H/X/Y-0.6,1.0,1.6
Normal Diameter:DN100~1200mm
Normal Pressure:1.0~1.6MPa
Suitable Medium:paper pulp,sewage,coal slurry,ash,water slurry
Suitable Temperature:≤100°C
Flange Standard: JB79,ANSI B16.
Pressure Test Standard: GB13927,MSS SP-81,JB/T8691

3.Pneumatic knife gate valve Main Part Material

Bonnet	Disc	Stem	Sealring
Stainless Steel,Carbon Steel,Grey Cast Iron	Carbon Steel,Stainless Steel	Stainless Steel	Rubber,PTFE,Stainless Steel,Carbide Alloy

4.Pneumatic knife gate valve Dimension

MPa	DN	L	D1	D2	H	n-M	MPa	DN	L	D1	D2	H	n-M
0.6	50	43	90	110	335	4-M12	1.0	50	50	100	125	335	4-M16
	65	46	110	130	363	4-M12		65	50	120	145	363	4-M16
	80	46	125	150	395	4-M16		80	50	135	160	395	4-M16
	100	52	145	170	465	4-M16		100	50	155	180	465	8-M16
	125	56	175	200	530	8-M16		125	50	185	210	530	8-M16
	150	56	200	225	630	8-M16		150	60	210	240	630	8-M20
	200	60	255	280	750	8-M16		200	60	265	295	750	8-M20
	250	68	310	335	900	12-M16		250	70	320	350	900	12-M20
	300	78	362	395	1120	12-M20		300	80	368	400	1120	12-M20
	350	78	412	445	1260	12-M20		350	90	428	460	1260	16-M20
	400	102	462	495	1450	16-M20		400	100	482	515	1450	16-M22
	450	114	518	550	1600	16-M20		450	120	532	565	1600	20-M22
	500	127	568	600	1800	16-M20		500	130	585	620	1800	20-M22
	600	154	670	705	2300	20-M22		600	140	685	725	2300	20-M27
	700	165	775	810	2500	24-M22		700	165	800	840	2500	24-M27
	800	190	880	920	2800	24-M27		800	190	898	950	2800	4-M30
	900	203	980	1020	3100	24-M27		900	203	1005	1050	3100	28-M30
	1000	216	1080	1120	3400	28-M27		1000	216	1115	1160	3400	28-M30
	1200	254	1295	1340	3600	32-M30		1200	254	1325	1380	3600	32-M36