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double ball check valve

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Ball Check Valve,Double flange Ball Check Valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: Size:DN40-500 Nominal pressure:PN1.0MPa PN1.6MPa Temperature:-15~150 Use to:Fresh water\ sewage...

BBK Fluid Control Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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brass valve(forged brass ball valve)double check valve

Price Range:US $0.8 - 30

Standard or Nonstandard:Standard

Structure:Ball

Pressure:Medium Pressure

Power:Manual

Details: brass valve,forged brass valve,double check valve 1.Forged brass body 2.good price and quality 3.delivery in time 4.size15mm...

Taizhou Jiabaili Machinery Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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dual plate double ball check valve

Details: wafer CI dual plate check valve with Disc coated epoxy 1)Dual plate wafer DN40~DN800 PN1.0/1.6MPa 2) Reliable OEM Factory, high quality 3)ISO9001:...

Luoyang Jinerjian Trading Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Double Disc Wafer Check Valve

Origin:China

Minimum Order:50

HS Code:84818010

Shipment Terms:by sea

Details:

Wenzhou Jinshun Petrochemical Valve Co., Ltd.

Business Type:

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ChinaChina

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Modulating Electric Actuator (2-phase)

Minimum Order:5 Pieces

Productivity:5, 000sets/Month

Price Valid Time:From Nov 18,2011 To Nov 18,2012

HS Code:84819010

Details:

Ningjin APC Industries Co., Ltd.

Business Type:

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ChinaChina

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UPVC FLANGE BALL VALVE

Model / Specifications:Q41X-10S

Standard or Nonstandard:

Material:

Media:Water

Details: Products/Services: pvc ball valve, pvc gate valve, pvc butterfly valve, pvc check valve, pvc double union ball valve, pvc single union ball valve,...

Liverane International Trading (Beijing) Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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pvc double union ball check valve

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Material:pvc

Details: Commidity:pvc double union ball check valve Size:1/2"-2" Standard:ANSI,JIS,DIN/GB...

Shenzhen Gelisi Pipe Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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PVC ball valve check valve

Details: PVC ball double union check valve 1.Product details: SpecificationP/C1/2"(20mm)2003/4"(25mm)1401"(32MM)801-1/4"(40MM)601-1/2&q...

Zhejiang Haotianchi Sanitaryware Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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double flanged ball check valve, DIN3202 F6

Details: Flanged Ball Check Valve Class: PN10 / 16Design: API594,API6DFace to face: API594,API6D,DIN3202 F6Testing: API598Size: DN40-DN400Connection: Flang...

Anhui Sunval International Trading Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Vacuum Check Valve(two plate check valve,Flanged check valve)

Price Range:US $1 - 10,000

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:

Details: Vacuum Double Disc Ball Check Valve 1.Size:NPS 1/2"-20" 2.Pressure:Class 150Lb~2500Lb 3.Material:Hastelloy,Monel,Titanium,In...

Zhejiang Weidouli Valves Manufacturing Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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One-piece Instrumentation straight patterns ball valve

Model / Specifications:YDF-Q91SA-

Standard or Nonstandard:Standard

Structure:Ball

Pressure:High Pressure

Power:Manual

Details: 1 piece double ferrule instrument ball valve. ss straight ball valve ,control valve , plug valve ,safety valve,check valve...

Wenzhou Yidefu Pipe Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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plastic double union ball valves

Model / Specifications:YF-528

Standard or Nonstandard:Standard

Structure:Ball

Pressure:Medium Pressure

Power:Manual

Details: Products/Services: valve, double union ball valve, butterfly valve, compact ball valve, electric ball valve, pneumatic valve, ball check valve,...

Jiashan Sanfa Plastic Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Swing Check Valve

Function:Ddcv Double Lobe

Material:Cast Steel/ Stainless Steel/ Cast Iron

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

Connection Form:Flange, Thread and Welding

Details:

Zhejiang Anneng Valve Co., Ltd.

Business Type:

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China (Mainland)China (Mainland)

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check valve

Details: Double flanged Butterfly Valve ball valve flanged wafer check valve 1.Size:1/2"-48" 2.150-2500 LBS 3.Design:API594,API6D,JB/T8937 4.-196...

Chengdu Derbo Steel Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Regulator valve

Standard or Nonstandard:Standard

Pressure:Low Pressure

Material:Casting

Temperature of Media:Medium Temperature

Details: Products/Services: Pipeline ball valves, slab gate valves, expanding gate valves, check valves, double seal plug valve, track ball valve, wellhead,...

Shanghai Cheerford Machinery Manufacture Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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double flat gate valve 09082

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Medium Pressure

Power:Manual

Details: double falt gate valve we can supply gate valve, ball valve, globe valve, check valve, butterfly valve, faucet and pipe fitting...

Wenzhou Rogen International Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Dual plate wafer check valve

Model / Specifications:H71W-16P

Price Range:US $1 - 100 / Piece

Standard or Nonstandard:Standard

Structure:Ball

Pressure:Medium Pressure

Power:Manual

Details: ISO 9001 CE Certified IAF certified wafer check valve (double disc check valve,stainless steel check valve)...Place of Origin: CN;ZHE

Wenzhou Zhengte Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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AVC Double Plate Wafer Check Valve

Model / Specifications:36" 150LB

Price Range:US $10 - 10,000 / Set

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Pressure seal

Details: Products/Services: Ball Valve, check valve, knife valve, Butterfly valve, Strainer, Wafer check valve, Plug valve, globe valve, gate valve, Power...

Wenzhou Hua Rui Valves Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Double ball type Ductile cast iron check valve

Model / Specifications:DN80/300

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Medium Pressure

Power:Hydraulic

Details: 1. Cast iron check valve has convenient application 2. Double ball type 3.Sino-Japan Joint Venture...Place of Origin: CN;HEB

Hebei Xingya Machinery Manufacturing Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Double valve check valve flange bronze

Model / Specifications:007

Standard or Nonstandard:Standard

Structure:Ball

Pressure:Low Pressure

Power:Solenoid

Details: 4.End connection Std:G,Rc,Rp,NPT,BSPT,DIN259/2999Double valve check valve flange bronze

Taizhou Bomiao Water Control Equipment Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Double seat regulating valve

Details: Products/Services: Valve, gate valve, globe valve, check valve, ball valve, butterfly valve, control valves, plug valve, relief valve, strainer,...

Shanghai Datian Valve Pipe Engineering Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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DCVE Bronze Backflow Preventor Double Check Valve

Model / Specifications:WD-1201

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Hydraulic

Details: -Top Access for testing, repair and maintenance -Full port design. -Bronze body. -Chrome plated machined brass rod ball....Place of Origin: CN;ZHE

Yuhuan World Copper Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Dual-Plate Double Flanged Check Valve

Standard or Nonstandard:Standard

Structure:Check

Brand Name:ASTAM

Details: Products/Services: dual plate wafercheck valve, ball valve, y-strainer, gate valve, globe valve, butterfly valve, single plate wafer check valve,...

ASTAM VALVE ENTERPRISE CO LTD

Business Type:Manufacturers

Free Member

TaiwanTaiwan

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DOUBLE UNION BALL VALVE

Model / Specifications:LM-V1001

Price Range:US $0.88 - 1 / Piece

Material:Plastic

Brand Name:LUMAO

Details: plastic valve, pvc valve,foot valve, check valve...

Yuyao Lumao Sprinkler Manufacturing Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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double check valve

Details: double check valve 1.Item:double check valve2.Size:DN15-DN3003.Material:UPVC,CPVC,FRPP,PVDF,PPH4.Standard:HG,ANSI, DIN,JIS 5.Type: ball,swing o...

Ningbo ETDZ Yongzhong Valve Manufacturing Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Eccentrical Double flanged Butterfly Valve

Model / Specifications:TTV3E

Price Range:US $1 - 1,000 / Unit

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Medium Pressure

Power:Manual

Details: Products/Services: Ball valve,Butterfly valve,Gate valve,Stop valve,Check valve,RFID Proximity Card,RFID Tag,Tissue packing machine

Shanghai Chaoying International Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Built in Double-Disc Wafer Swing Check Valve

Price Range:US $100 - 5,000 / Piece

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: Products/Services: Ball Valve,Gate Valve,Check Valve,Globe Valve,Plug Valve,Butterfly Valve,Forged Valve,Strainer

Zhejiang Number One Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Stainless steel pneumatic butterfly-type ball valve

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Medium Pressure

Power:Pneumatic

Details: Intelligent control butterfly valve1)Material: SUS304, SUS316L2)Size: DN10-200 or 1/2 -8 3)Single-acting or double-acting4) We can supply a wide r...

Longze Light Industry Machinery

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

electric double flanged eccentric butterfly valve

Model / Specifications:Z941H

Price Range:US $10 - 100 / Piece

Standard or Nonstandard:Standard

Structure:Butterfly

Pressure:Medium Pressure

Power:Manual

Details: Products/Services: Butterfly Valve,Gate Valve,Globe Valve,Check Valve,Ball Valve,Special Valve,Associated Accessories

Shanghai Huatong Valve Co., Ltd.

Business Type:Manufacturers

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Free Member

China (Mainland)China (Mainland)

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Lowest Price Double Flange BS5163 gate valve

Model / Specifications:Z45X

Price Range:US $50 - 60 / Set

Standard or Nonstandard:Standard

Structure:Gate

Pressure:Medium Pressure

Power:Manual

Details: Products/Services: valve,gate valve,butterfly valve,ball valve,check valve,Ductile Iron Casting,Pipe Fitting,Fire Hydrant,Faucet,Faucet Accessories

Quanzhou Zhixin Valve Manufacturing Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Product Summary

A double ball check valve is a plumbing fitting that prevents back siphonage to protect fresh water supplies from contamination. The double-ball design is particularly useful in preventing contaminated material from back-flowing into the main supply. It is also a valve used in air brake systems on heavy trucks. A double ball check valve contains two balls in the same valve body to ensure a complete shut-off of backflow. It is sometimes used to maintain adequate sedentary pressure in long sections of piping. It is typically installed on fresh water supplies for garden irrigation and fire suppression feeds where a backflow contamination risk exists.

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