Pn10 Pn16 Cast Iron Flange Gate Valve

Pn10 Pn16 Cast Iron Flange Gate Valve

PN10 PN16 Cast Iron Flange Gate Valve
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PN10 PN16 Cast Iron Flange Gate Valve

 

The flange gate valve is used as a cut-off medium. When fully open, the entire flow is straight through. At this time, the pressure loss of the medium is minimal. Flange gate valves are usually suitable for conditions that do not require frequent opening and closing and keep the gate fully open or fully closed. Not suitable for use as a regulator or throttling device. For high-speed flowing media, partial opening of the gate can cause vibration of the gate, and the vibration may damage the sealing surface of the gate and valve seat, and throttling will cause the gate to be eroded by the medium. In terms of structural form, the main difference is the form of sealing element used. According to the form of sealing elements, gate valves are often divided into several different types, such as: wedge gate valve, parallel gate valve, parallel double gate valve, wedge double gate, etc. The most commonly used forms are wedge gate valves and parallel gate valves.

 

 

Design and manufacturing Structure length Pressure-Temperature Rating connecting flange  
GB12234 GB1221 GB9131,
JB/T74,
HGJ67
JB/T74~90,
GB9112~9131,
HGJ44~76
 

 

host
want
zero
pieces
material
material
Valve body, valve cover, gate WCB ZG1Cr18Ni9Ti CF8
(304)
CF3
(304L)
ZG1Cr18Ni12Mo2Ti CF8M
(316)
Sealing surface Cr13 or
Hard
alloy
Body (W) or carbide (Y)
Valve stem and internal parts 2Cr13 1Cr18Ni9Ti 0Cr19Ni9
(304)
00Cr19Ni11
(304L)
1Cr18Ni12Mo2Ti 0Cr17Ni12Mo2
(316)
filler flexible graphite
Gasket Stainless steel spiral wound gasket
Applicable working conditions Applicable media

water

air
oil

Corrosive media such as nitric acid Strong oxidizing medium Corrosive media such as acetic acid
proper temperature -29~425℃ -40~500℃

 

 

 

 

PN10 PN16 Cast Iron Flange Gate Valve

product-800-800

product-800-800

product-1200-1680

 

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