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WCB Through Going Knife Valve

  • WCB Through Going Knife Valve
  • WCB Through Going Knife Valve
Product Introduction
 Size Range:

 DN50~600mm   NPS 2”-24”  (Larger size on reques)

 Max Working Press.:

 DN50~DN250: 10Bar  NPS2~NPS10:150Psi

 DN300~DN450: 7Bar  NPS12~NPS18:90Psi

 DN500~DN600: 4Bar  NPS20~NPS24:60Psi

 Temp. Range:  -29...+800℃
 Seal Tightness:

 According to MSS SP-81

 Body Material:

 Carbon Steel, Stainless Steel, Special Alloy

 Gate Material:
 Stainless Steel, Special Alloy
 Seat Material:

 Stainless Steel+STL

 EPDM (120°C) /Viton(200°C)/PTFE(200°C) /NBR(90°C)

 Face to Face:   MSS SP-81
 Flange Standard:

 GB/T 9113.1, JB/T 79.1, HG 20592, ASME B16.5, EN1092-1

 Appliction:

 Pulp & Paper, Water Treatment, Beverage & Food, Fine Chemical, Power Plant, Steel Industry, etc.

Introduction:

The HCPZ-series WCB Through Going Knife Valve is a bi-directional wafer knife gate valve. It is mainly designed for highly 

concentrated flow media. With a through going O-port plate, this valve provides a stable and safe shut-off performance without 

clogging. With double-seat design, it can handle flow in both directions.


Features:

1.    Body

a)   Full port design minimizes pressure drop and maximizes flow capacity. 

b)   Packing at both top and bottom eliminates leakage to surrounding.

2.    Gate

a)    Though gate with o-port cut through a disc of media down when closing and return this portion back when opening. 

        This prevent media from clogging in the valve body cavity.

b)    Gate thickness can be increased to handle higher working pressure.

c)    Gate surface is well polished at both sides for tight seal and less jamming. 

d)    Gate is hard chrome coated for better abrasion resistance.


3.    Seat

a)    Side-entry seat is replaceable, reducing the cost of maintenance.

b)    Seat retainer covers the side of seat and prevents seat from direct flow flushing.

c)    Preloaded seat is adjustable to meet different sealing class and compensate normal seat wear.

d)    With seats on both sides, valve can handle flow in both directions 100%.


4.    Other

a)   Double thrust bearing minimizes the operating torque.




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