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Vacuum Relief Valve

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Series 8110 Press/Vacuum Relief Valve

Export Markets:North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

HS Code:84814000

Details:

Beijing Zhonghanghua Safety Valve Sales Co., Ltd.

Business Type:

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China (Mainland)China (Mainland)

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Vacuum relief valve

Pressure:Vacuum

Material:Casting

Details: Vacuum relief valve Cast iron F7218 DN50-DN200...

Fenghua Zhong Xin Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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High Performance Emergency Pressure/Vacuum Relief Valve China

Details: Emergency Pressure/Vacuum relief valve is designed to provide emergency relief capacity beyond that furnished by the normal operationg pressure re...

Beijing Zhonghanghua Safety Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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EMERGENCY PRESSURE RELIEF VALVE (Spring-Loaded)

Model / Specifications:8180

Place of Origin:china

Standard or Nonstandard:Standard

Material:WCB CF8 CF3

Model Number:8180

Details: EMERGENCY PRESSURE/VACUUM RELIEF VALVEfinekay Series 8170 Manhole Cover with pressure and vacuum relief, provides both emergency pressure relief a...

Tianjin Finekay Valve Manufacturing Limited Company

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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stainless steel manual gate valve with thread,GB standard

Model / Specifications:Q41F

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Medium Pressure

Power:Manual

Details: stainless steel manual gate valve with thread,GB standard pressure vacuum relief valve purge valve joystick valve...Place of Origin: CN;ZHE

Wenzhou Changyi Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Motorized Dynamic Balance Valve (ELVDA)

Productivity:100000PCS/Month

Trademark:N/M

Usage:Air Conditioner

HS Code:9032100000

Details:

Xiamen Hysen Imp. & Exp. Co., Ltd

Business Type:

Free Member

China (Mainland)China (Mainland)

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Best price All-weather Pressure and Vacuum Relief Valve

Details: Description of product IIntroduction of Our Manufactory

Leshan Thermo Technical Instruments Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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TB 80(Pressure and Vacuum Relief Valve)

Place of Origin: Korea

Details: Pressure and vacuum relief valves are used on liquid storage tanks and other process vessels or systems to prevent structural damage due to exce...

Wintec Eng. Co.

Business Type:Manufacturers

Free Member

KoreaKorea

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Gate Valve

Model / Specifications:KO

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Vacuum

Power:Pneumatic

Details: Product Description *Environmental & Tank production device - Pressure/Vacuum relief valve - F...

Komas Techno Corp

Business Type:Manufacturers

Free Member

KoreaKorea

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Main Vacuum Relief Valve

Model / Specifications:A49.

Price Range:US $165 - 4,998 / Set

Standard or Nonstandard:Standard

Structure:Angle

Pressure:low and high pressure

Power:Automatic

Details: Products/Services: safety valve, pressure valve, relief valve, kunkle valve, pressure safety relief valve, valves, OEM, pressure safety valve,...

Tianzheng Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Main Vacuum Relief Valve

Model / Specifications:A49

Price Range:US $165 - 4,998 / Set

Standard or Nonstandard:Standard

Structure:Angle

Pressure:low and high pressure

Power:Automatic

Details: Products/Services: safety valve, pressure valve, relief valve, kunkle valve, pressure safety relief valve, valves, OEM, pressure safety valve,...

Zhejiang Tianzheng Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Sanitary Butterfly Valve

Unit Price:Negotiable

Export Markets:North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Minimum Order:10 Pieces

Shipment Terms:FOB

Details:

Wenzhou City Weizhou Light Industry Machinery Co., Ltd.

Business Type:

Free Member

China (Mainland)China (Mainland)

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pressure vacuum relief valve

Model / Specifications:ZAZP, ZAZN, ZAZM, BELLAZP, BELLAZ...

Standard or Nonstandard:Standard

Structure:Ball

Pressure:Medium Pressure

Power:electric

Details: High quality, favorable price Great sales volumes Complete specifications Stable performance introduced technology...Place of Origin: CN;TIA

Tianjin Bell International Trading Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Stainless Steel Pressure Vacuum Safety Relief Valve

Standard or Nonstandard:Standard

Structure:Safety

Pressure:Vacuum

Material:Stainless steelcast steel

Details: Stainless Steel Pressure Vacuum Safety Relief Valve1.Size:DN15-2502.Medium:air,acid3.Temperature:less than 200 degree C

Xiamen Chn-Meida Import & Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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pressure relief valve

Model / Specifications:LD 075 H43 R18

Details: Detailed introduction to pressure relief valve: Our Application: 1.vacuum application, Central vacuum system,pneumatic tube system, industri...

Manvac Technik Limited

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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NV400 Tri-Action breather valves

Model / Specifications:NV400

Standard or Nonstandard:Standard

Structure:Pressure Reducing

Pressure:Vacuum

Material:Casting

Details: A direct acting Pressure/Vacuum Relief or Breather Valve is specifically designed for bulk storage tank protection....

Eversteel

Business Type:Manufacturers

Free Member

South AfricaSouth Africa

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Vacuum negative pressure relief valve

Standard or Nonstandard:Standard

Structure:Safety

Pressure:Low Pressure

Power:Pneumatic

Details: Negative pressure relief valve 1, Available for your size or we can produce according to your request. 2,Standard: Supply all kinds as your demand...

Zhangqiu Oasis Machinery Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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ring blower

Model / Specifications:KA2-04S

Price Range:USD 120-USD 2000

Brand Name:SCB

Theory:Vacuum Pump

Structure:Single-stage Pump

Usage:Air Pump

Details: Since 2005. SCB Vacuum Tech limited specialized in manufacturing side channel blower,vacuum pump,turbo blower,silencer,filtering barrel,relief val...

SCB vacuum tech limited

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Safety Valve( Relief Valve)

Standard or Nonstandard:Standard

Structure:Safety

Pressure:Vacuum

Power:Pneumatic

Details: Quality Standard: ISO2037, DIN, IDF, SMS, JIS G 3459/3447 1) Specification: 1/2"-6" 2) Material quality: SUS304, SUS316L...Place of Orig...

Wenzhou Yodsn Fluid Equipment Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Balancing Valves

Model / Specifications:AV23-15T

Price Range:RMB 50 / Box

Standard or Nonstandard:

Structure:

Pressure:Medium Pressure

Power:

Details: Products/Services: T/P Valves,Pressure Valves,Balancing Valves,Vacuum Valves,Temperature safety relief valve

Qingdao Anchor M&E Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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excavator relief valve

Model / Specifications:PC200-5

Standard or Nonstandard:Standard

Structure:Safety

Pressure:Vacuum

Power:Hydraulic

Details: be manufactured under a strict process control,endurable life best quality and favorable price....Place of Origin: CN

Huamaoji Construction Machinery Trading (Beijing) Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Relief valve

Model / Specifications:GL-005

Standard or Nonstandard:Standard

Structure:Angle

Pressure:Vacuum

Power:Hydraulic

Details: Specification: 1"-6",DN25-DN150 Material: SUS304 SUS316L Standard: DIN,ISO Application: Beer,Milk,Beverage,PharmacyWe can do the differe...

Wenzhou Guole Machinery Manufacture Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Proportional relief valve

Model / Specifications:RD-YL01

Standard or Nonstandard:Standard

Structure:Safety

Pressure:Vacuum

Power:Solenoid

Details: It is characterized by small size,agile reaction,good reliability,high precision and long service life....Place of Origin: CN;ZHE

Ningbo Sanboo Auto Parts International Trade Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Relief Pressure Valve

Model / Specifications:GRS-G020

Price Range:US $1.5 - 3 / Piece

Standard or Nonstandard:Standard

Structure:Angle

Pressure:Vacuum

Power:Hydraulic

Details: Specifications: 1) Brass body 2) Nickel plated...

AVP Sanitary Ware Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Turbine Valve

Place of Origin: China

Standard or Nonstandard: Standard

Structure: Angle

Pressure: Vacuum

Details: The pressure relief valve is a long diversion tunnel of a hydropower station safety equipment, general, when the pressure pipeline LV / H greater ...

Emeishan Chicheng Machinery Co..Ltd

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Blanket Gas Regulator for Vacuum

Model / Specifications:3041/L/H/HP

Standard or Nonstandard:Standard

Structure:Diaphragm

Pressure:Vacuum

Power:Solenoid

Details: relief Valve Available models: L (0.5 - 2 in. W.C. settings), H (higher set pressure from lower supply pressures)...

Shenzhen Willdone Technology Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Blanket Gas Regulator for Vacuum

Model / Specifications:3041/L/H/HP

Standard or Nonstandard:Standard

Structure:Diaphragm

Pressure:Vacuum

Power:Solenoid

Details: relief Valve Available models: L (0.5 - 2 in. W.C. settings), H (higher set pressure from lower supply pressures)...

WILLDONE TECHNOLOGY (H.K.) CO LTD

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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2.2kw double stage ring blower

Model / Specifications:2BHB420 H46

Price Range:$220-$880

Brand Name:RIBAKE

Theory:Vortex Pump

Structure:Multistage Pump

Usage:Air Pump

Details: Type details:Frequency: 50/60HzVoltage: 200-240Δ/345-415Y; 220-275Δ/380-480YAir filter: MF-12Pressure relief valve: RV-02order NO.Outp...

Ribake Procision Machinery Co.,Ltd

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Pressure relief valve

Model / Specifications:CHPT-20

Standard or Nonstandard:Standard

Pressure:High Pressure

Material:Brass

Media:Water

Details: Products/Services: Solar water heater, solar collector, solar manifold, solar heater, vacuum tube, pressurized collector, unpressurized collector,...

Lin'an Chuanghui Solar Equipment Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Pressure relief valve

Model / Specifications:CHPT-20

Standard or Nonstandard:Standard

Pressure:High Pressure

Material:Brass

Media:Water

Details: Products/Services: Solar water heater, solar collector, solar manifold, solar heater, vacuum tube, pressurized collector, unpressurized collector,...

Lin'an Chuanghui Solar Equipment Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

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Product Summary

The relief valve (RV) is a type of valve used to control or limit the pressure in a system or vessel which can build up by a process upset, instrument or equipment failure, or fire. The pressure is relieved by allowing the pressurized fluid to flow from an auxiliary passage out of the system. The relief valve is designed or set to open at a predetermined set pressure to protect pressure vessels and other equipment from being subjected to pressures that exceed their design limits. When the set pressure is exceeded, the relief valve becomes the "path of least resistance" as the valve is forced open and a portion of the fluid is diverted through the auxiliary route. The diverted fluid is usually routed through a piping system known as a flare header or relief header to a central, elevated gas flare where it is usually burned and the resulting combustion gases are released to the atmosphere. As the fluid is diverted, the pressure inside the vessel will drop. Once it reaches the valve's reseating pressure, the valve will close. The vacuum relief valve has a cast body which is flanged for connection to the storage tank. A weather hood protects the pressure exhaust port and a mesh cover is fitted to prevent the ingress of foreign matter for valves vented to atmosphere. Piped-away versions are also available throughout the range. Vacuum relief valves are used extensively on bulk storage tanks, including fixed roof tanks with floating covers, to minimise evaporation loss. The valves prevent the build up of excessive pressure or vacuum which can unbalance the system or damage the storage vessel.

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