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Buhrer

  • Imported breathing valve Buhrer
Imported breathing valve Buhrer

Imported breathing valve Buhrer

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  • Product description: Buhrer acting ball valve, Buhrer gate valve, Buhrer butterfly valve, stop valve, Buhrer control valve, solenoid valve, Buhrer safety valve, Buhrer pressure reducing valve, Buhrer drain valve, check va
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Product name: Imported breathing valve Product model: Buhrer
Drive method: automatic Connection type: flange
Structure: Pipe type Seal structure: PTFE
Pressure range: 150-300LB Nominal diameter: DN25-250
Common materials: cast iron, WCB, stainless steel, etc.
Product introduction
The imported breather valve produced by Breer can be driven by automatic, flanged by connection, piped by structure, PTFE by sealed structure, PN150-300LB pressure range, nominal diameter DN25-250mm, material can be Use cast iron, WCB, stainless steel, etc. Because the valve is used in a very wide range, the same valve has different combinations in different situations and working conditions.
Product Details
The inlet breathing valve works according to the principle:
The first is to exhale or inhale when a certain pressure is reached; the other is designed to simply not breathe, which can be understood to be replaced by two check valves of appropriate pressure.
The second type of breathing valve is similar to a one-way check valve. It can only exhale outwards and cannot inhale inward. When the pressure in the system rises, the gas is vented through the breathing valve to ensure a constant system pressure. For storage tanks containing toxic substances, there are no breathing valves, or treatment devices such as activated carbon filters are added.

The main technical parameters:
Main technical parameters:
Suitable for various petroleum, chemical, pharmaceutical, energy, special liquid or gas materials.
The breather valve can be set on the tanks stored various liquids or gases.
Operating pressure: Class A positive pressure
355Pa (36mm water column)
Negative pressure
295Pa (30mm water column)
Class B positive pressure
980Pa (100mm water column)
Negative pressure
295Pa (30mm water column)
Class C positive pressure
1765Pa (180mm water column)
Negative pressure
295Pa (30mm water column)
Component materials:
Body material
Carbon steel WCB, stainless steel 304, 316, aluminum alloy
Positive pressure disc material
Stainless steel 304, 316, aluminum alloy
Negative pressure valve disc material
Stainless steel 304, 316, PTFE
Ambient temperature ℃
-30 ~ 60
Explosion-proof level: BS5501: IIA, IIB, IIC.
Flame arrester grade: BS5501: IIA, IIB, IIC.
Housing material: carbon steel, aluminum alloy, stainless steel: SUS304, SUS304L, SUS316, SUS316L.
Body Matrial: A3, Aluminium, SS: SUS304, SUS304L, SUS316, SUS316L.
Valve disc and valve seat material: aluminum alloy, stainless steel.
Disc & Seat Material: Aluminium, SS.
Seal material: PTFE.
Seal Material: PTFE.
Flange standard: HG20594-97 PN1.0 If customers need to use GB, SH, HGJ, JB, ANSI, JIS and other standards or change the pressure level, please specify in the order contract.
Flanges or the valve are in accordance with HG20594-97 PN1.0 When GB, SH, HGJ, JB, ANSI, JIS. If changed, buyer shall illustrate in the contract

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