Stainless Steel 304/316L Pneumatic Knife Gate Valve

• Model NO.: DN50-DN1800
• Material: Carbon Steel
• Pressure: Ordinary Temperature, Pn10,Pn16,JIS10k,150lb
• Seal Surface: Wedge Gate Valve
• Usage: Regulation, Safety, Emptying, Drain, Temperature Control, Flow Control
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Power: Pneumatic
• Trademark: GHL
• Specification: DN50-DN1800
• HS Code: 8481804090

• Type: Direct-acting
• Connection Form: Flange
• Actuator: Pneumatic
• Thread Position of Valve Rod: Inside Gate Valve
• Standard: ANSI
• Structure: Gate
• Certificate: ISO9001:2008 Ce
• Transport Package: Seaworthy Packing
• Origin: Tianjin, China

Knife Gate Valve

Normal Features

 

Sizes:DN 50~600mm   NPS 2"-24"

Body Material:WCB/CF8/CF8M/CF3/CF3M

Gate: 2Cr13/ 304/304L/316/316L

Sealing Material:

NBR:90°C     EPDM: 120°C

Viton: 200°C  PTFE: 200°C

Metal seal :304/316+Satellite

Design Standard: MSS SP81

Max Working pressure:

DN50~DN250:10Bar  NPS2~NPS10:150Psi

DN300~DN450: 7Bar  NPS12~NPS18:90Psi

DN500~DN600: 4Bar  NPS20~NPS24: 60Psi

 

Working Temperature:  -29°C ~120°C

 

Standard flange connection:
GB/T9113;ANSI B16.5 (class 150);
EN1092-1:2001 PN6/10/16/25;
AS2129; ASME B16.47 A Series;JIS B2220.

 

 

The series knife gate valve is a normal uni-directional knife gate valve which shutoff medium directly.The beveled knife-like edge cuts through fibers and solid particles in the flow stream.

 

Body:

 

l   Integral body structure design,small flow resistance,easy assembly,minimize the possibility of shell leakage.

 

l   Fixed guide claw,no groove design,the solid would not be accumulated and stuck.

 

Gate:

 

l   The slide gate has a bevelled cutting edge. As a result, solids can be cut through, achieving a tight seal in the closed position.

 

l   On request, the thickness of the knife gate valves gate can be increased for higher operating pressures and/or higher quality material can be used.  
 

 

Seat:

 

l   Side entry and replaceable seat design,can be changed freely.

 

l   Theseat ring retainer avoid flow fluid flushing the seat ring.

 

l   Material of seat is selected according to the meduim and service convice condition,choosing metal seal or soft seal.Metal seal is 304+stl or 316+stl.Soft seats are PTFE,EPDM,NBR,which have good sealing performance.

 

Test:

 

l   Body  test: Working pressurex1.5

 

l   Seat test:  Working pressurex1.1

 

Application:

 

knife gate valve is widely used in the industry application such as Pulp and Paper,Power plants,Wastewater treatment plants,Chemical plants,Iron and Steel Industry,Food and Beverage,Bulk handling,Mining,etc.

 

 

 

 

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