Project Description

Double Cylinder Knife Edge Gate Valve

1
Catalog

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:ANSI B16.5 (class 150);
EN1092-1:2001 PN6/10/16/25;
AS2129; ASME B16.47 A Series.

CP Series double gate O type knife gate valve is double gates type which widely used in the Pulp and Paper industry (recycling or secondary fibre processing) designed to handle high concentrated or contaminated medium. In open position, both gates retract into the body and allow full flow. When closing, the gates push stock and contaminants as staples, wires out of the body into the flow.As the result of this double gate design,the Stroke time is the half of conventional valves.

Seat:

  • Side entry and replaceable seat design,can be changed freely.
  • The seat ring retainer avoid flow fluid flushing the seat ring.
  • 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:

  • Body test: Working pressurex1.5
  • 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.

Drive option:

Drive actuators offered for the knife gate valve include handwheel with rising or non-rising stem, or alternatively double or single-acting pneumatic cylinders, Bevel Gear, electric actuators.

Pneumatic Accessories:
Cylinder & Solenoid (FESTO,AirTAC,HERION,ASCO,UNIWO,SMC)/ Positioner(YTC,ABB, SIEMENS,AZBIL)/Filter/ Limit?switch(OUMRON,FESTO,IFM,P+F)

Electrical Motor Actuator:
Actuator Make – Rotork, Auma, ACT, Antrieb etc

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