DZ40Y Cryogenic Gate Valve

The gate valve is a commonly used shut-off valve, which is mainly used to connect or cut off the medium in the pipeline, and is not suitable for regulating the flow of the medium. The gate valve is suitable for a wide range of pressure, temperature and diameter, especially for medium and large diameter pipelines.

Cryogenic gate valve

The gate valve is a commonly used shut-off valve, which is mainly used to connect or cut off the medium in the pipeline, and is not suitable for regulating the flow of the medium. The gate valve is suitable for a wide range of pressure, temperature and diameter, especially for medium and large diameter pipelines.

The main advantages of gate valve:

(1) The fluid resistance is small. The medium channel inside the gate body of the gate valve is straight through, and the medium does not change its flow direction when it flows through the gate valve, so the flow resistance is small.

(2) It is more labor-saving to open and close. When opening and closing, the movement direction of the gate is perpendicular to the flow direction of the medium. Compared with the globe valve, the opening and closing of the gate valve is more labor-saving.

(3) The flow direction of the medium is generally not restricted. The medium can flow in any direction from both sides of the gate valve, and can be connected or cut off. Easy to install, suitable for pipelines where the flow direction of the medium may change.

 

Main parts material and performance specification

Main parts

valve body

valve cover

carbon steel

chrome-nickel-titanium stainless steel

Chromium Nickel Molybdenum Titanium Stainless Steel

carbon stainless steel

Chrome molybdenum alloy steel

Cryogenic carbon steel

gate

valve seat

Carbon steel surfacing carbide or stainless steel

chrome-nickel-titanium stainless steel

surfacing hard alloy

Chromium Nickel Molybdenum Titanium Stainless Steel

surfacing hard alloy

carbon stainless steel

Chrome molybdenum alloy steel

surfacing hard alloy

Stainless steel surfacing hard alloy

valve stem

Chrome Stainless Steel

chrome-nickel-titanium stainless steel

chrome-nickel-titanium stainless steel

carbon stainless steel

Chrome molybdenum alloy steel

Stainless steel

packing

Graphite asbestos packing

Dip Poly tetrafluoroethylene asbestos packing

Flexible graphite asbestos packing

Dip Poly tetrafluoroethylene asbestos packing

Gasket

Asbestos Gasket

Stainless steel with tetrafluoroethylene spiral wound gasket

Flexible graphite + stainless steel

polytetrafluoroethylene

Stem Nut

High-nickel ductile iron/ZguAL10Fe3

Main parameters

Applicable media

water, steam, oil

Nitric acid type

Acetic acid type

Urea, methyl-ammonium liquid, etc.

Water, Steam, Petroleum, and Petroleum Products

Ammonia gas, liquid ammonia

Applicable temperature ℃

≤425

≤200

≤200

≤200

≤550

-45~150

Warranty

1 year

Customized

ODM, OBM, Software reengineering

Place of Origin

China WenZhou

Port

ShangHai

Power

Manual

Temperature of Media

High Temperature, Medium Temperature, Normal Temperature

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