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The pneumatic knife gate valve
  • The pneumatic knife gate valve
  • The pneumatic knife gate valve
  • The pneumatic knife gate valve
  • The pneumatic knife gate valve
  • The pneumatic knife gate valve
  • The pneumatic knife gate valve

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.

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  • Description
  • Prameters
  • Equipment photos
DNDN（mm)DN50～ 800
Air source pressure0.4～0.7
differential pressure
Less than nominal pressure
nominal pressure1.0 1.6 Mpa ANSI 150LB
body MaterialWCB、304、316、304L、316L
Valve plate materialWCB、304、316、304L、316L
Stem material304、316、304L、316L
FillerFiller、Teflon V typeFiller、 Teflon carbon fiber、Teflon asbestos   Flexible graphite
Seat sealing formMetal carbide seal：-29℃～425℃
软密封：PTFE:-20℃～175℃ PPL:-40℃～280℃
Body typeStraight-through
control methodSwitch type, adjustable type
The form of actionAir-on type、gas-off type
Pneumatic executive body formSingle-acting、dual-acting
Optional executing mechanismLinear stroke piston cylinder QGB Linear stroke piston cylinder QGS
AttachmentElectrical valve locators、solenoid valves、Limit switch、locking valves、 air filtration relief valves、Handwheel mechanism
The form of the connectionWafer connection, lug connection

The pneumatic knife gate valve

The pneumatic knife gate valve

The pneumatic knife gate valve


L


Hn-M
DNPN0.6PN1.0PN1.6D1D2BPN0.6PN1.0PN1.6PN0.6PN1.0PN1.6
504343651251001153353353354—M164—M164—M16
654646651451201153633633634—M164—M164—M16
804646701601351503953953954—M164—M168—M16
1005252701801551504654654804—M168—M168—M16
1255656702101851905305305404—M168—M168—M16
1505656802402101906306306454—M208—M208—M20
2006060802952652307507507704—M208—M2012—M20
2507070943503182809009009208—M2012-M2012—M22
3007080984003683501120112011508—M2012-M2012—M22
350809010046043035012601260130010-M2016-M2016—M22
4009012012051548235014501450150010-M2416-M2216—M27
4509012012056553235016001600165014-M2420-M2220—M27
50010013013062058535018001800185014-M2420-M2220—M30
60010014014072568543023002300236014-M2720-M2720—M36


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