The pneumatic knife gate valve

The pneumatic knife gate valve has the advantages of light weight, simple and compact structure,

reliable sealing performance, long service life, and ability to cut off the medium.

Its structure can be made into a hard seal or a soft seal. The type can be selected according to the customer's sealing requirements.

It is suitable for coal powder, coal slurry, syrup, paper pulp, sewage, and is especially suitable for the paper industry.

It can be used for adjustment and throttling on the pipeline, and can be installed at any position.

DNDN（mm)	DN50～ 800
Air source pressure	0.4～0.7
differential pressure	Less than nominal pressure
nominal pressure	1.0 1.6 Mpa ANSI 150LB
body Material	WCB、304、316、304L、316L
Valve plate material	WCB、304、316、304L、316L
Stem material	304、316、304L、316L
Filler	Filler、Teflon V typeFiller、 Teflon carbon fiber、Teflon asbestos Flexible graphite
Seat sealing form	Metal carbide seal：-29℃～425℃
Seat sealing form	软密封：PTFE:-20℃～175℃ PPL:-40℃～280℃
Body type	Straight-through
control method	Switch type, adjustable type
The form of action	Air-on type、gas-off type
Pneumatic executive body form	Single-acting、dual-acting
Optional executing mechanism	Linear stroke piston cylinder QGB Linear stroke piston cylinder QGS
Attachment	Electrical valve locators、solenoid valves、Limit switch、locking valves、 air filtration relief valves、Handwheel mechanism
The form of the connection	Wafer connection, lug connection

The pneumatic knife gate valve