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Electrohydraulic Servo Valve (QDY3)

Unit Price:Negotiable

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

Model NO.:QDY3

Minimum Order:1 Pieces

Details:

BMTI Precision Mechatronics Co., Ltd

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China (Mainland)China (Mainland)

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The excellent quality flapper Valve

Model / Specifications:XH81/XH41/XH81A/XH41A

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Hydraulic

Details: Flapper Check Valve:1.highly flexibility 2.it is convenience to install 3.low cracking pressure The excellent quality Flapper Valve:Flapper valve...

Guoxin Machinery Factory Of Gongyi City

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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rubber water flapper

Model / Specifications:OBCB0012

Price Range:US $0.18 - 2.8 / Set

Brand Name:Oubang

Details: Toilet water flapper,flash valve flapper Usage: used in a traditional gravity toilet tank Advantage:simple to operate, cheap...Place of Origin: CN;ZHE

Ningbo Oubang International Trade Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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5F-6R Drill Pipe Mdl.G /Flapper Type Valve/ Cage

Details: 1.Cage and Flapper Valve2.Investment Casting 3.Stainless Steel, Alloy Steel4.Checked by mating part5.Machined by NC Machine6.Carburization and Pho...

Qingdao Singho Industrial Co., Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Float Valve Flapper Precision casting

Model / Specifications:Model G

Brand Name:OEM

Details: Float Valve Flapper Precision casting Model GS type drill pipe float valve Alloy steel material Conform to ISO9001...Place of Origin: CN;SHN

Qingdao Singho Industrial Company Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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5F-6R Drill Pipe Float Valve flapper valve Cage Mdl.G Cage

Model / Specifications:XL404

Price Range:FOB USD 1.98~25.47 / Piece

Details: Product Details:Place of OriginShandong, China (Mainland)Brand NameSinghoModel NumberXL404Name5F-6R flapper valve Cage Mdl.G CageMaterialStainless...

Qingdao Singho Industrial Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Female Swing Check Valve

Model / Specifications:H14W

Price Range:US $4 - 104

Structure:Check

Pressure:Medium Pressure

Material:WCBCF8CF8M

Temperature of Media:Normal Temperature

Details: Female Swing Check Valve(stainless steel check valve,swing Check Valve,flapper valve)...

Zhejiang Anix Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Swash plate check valve

Model / Specifications:H48H

Standard or Nonstandard:Standard

Structure:Check

Pressure:150LB-600LB

Material:Casting

Details: Swash plate check valve Check Valve Flapper check valve Desing standard: API6D Face to face: API6D, ASNI B16.10 Flange ends: ASME B 16.5, ASME...

Wenzhou Kesai Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Knife Gate Valves

Place of Origin: China

Standard or Nonstandard: Standard

Structure: Butterfly

Pressure: Medium Pressure

Details: Wenzhou jiegao Valve Co., Ltd. specializes in:Gate valve, ball valve, globe valve, knife gate valves, slurry valves, butterfly valves, flapper val...

Wenzhou JIEGAO VALVE Co.,Ltd.

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China (Mainland)China (Mainland)

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QF-8D Flapper Type Cylinder Valve with safety device

Model / Specifications:QF-8D

Standard or Nonstandard:Standard

Structure:Shutoff

Pressure:High Pressure

Power:Manual

Details: Oxygen cylinder valve1)Suitable Medium:O2,Air,N2 2)Working Pressure:15Mpa 3)Nominal diameter:DN4mm4)Outlet thread:W21.8*1/145)Inlet thread(thread ...

Danyang Feilun Gas Valve Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Float Valve (Flapper Type Check Valve)

Details: This Float Valve is normally installed in a standard bore-back of the bit sub, to provide fluid flow control at the bottom of the drill stem. It a...

Rugao Yaou Import & Export Trade Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Float Valve (Flapper Type Check Valve)

Details: This Float Valve is normally installed in a standard bore-back of the bit sub, to provide fluid flow control at the bottom of the drill stem. It a...

Rugao Yaou Import & Export Trade Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Standard WCB flapper check valve pn16/25/40/64

Details: Standard WCB flapper check valve pn16/25/40/64 Usage: Standard WCB flapper check valve pn16/25/40/64 can prevent the water from backward. Main p...

Xushui Pingyilu Petroleum & Oil Fittings Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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flapper valve

Model / Specifications:XSZF-16/24 P

Type:Valves

Brand Name:RonhSheng

Details: Swing Check Valve is mainly composed of two parts, namely valve body and disc. The disc rotates around the bearing pin, and the medium flows towar...

Zhejiang Rongsheng Machinery Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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gate valve CC-A

Model / Specifications:CC-A series

Standard or Nonstandard:Standard

Structure:Gate

Pressure:High Pressure

Power:Manual

Details: Product Name:CC-ACC-A Series ultra-high vacuum flapper valve is the handle to push the ball screw drive rack movement, softened off the valve plat...

Taizhou Ranri Imp. & Exp. Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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First Class Flapper Check Valve

Details: First Class Flapper Check Valve : 1.Designed to be efficient2.Quiet and Tough3.Easily handle corrosive4.Abrasive Materials Product Introduction:T...

Zhengzhou Bihe Trade Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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cast iron hand water pump

Model / Specifications:HC1000

Details: Professional production of the Philippines, hand pumps we have the best quality &reasonable price. Easy installation Heavy-duty cast iron cons...

Jiangsu seatide technology co.,ltd

Business Type:Manufacturers

Free Member

 China China

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Philippines Hand water pump ( Factory sales directly !)

Details: Professional production of the Philippines, hand pumpswe have the best quality &reasonable price.Easy installationHeavy-duty cast iron constru...

Jiangsu Haichao Technology Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Pneumatic Penetrating Type Flapper Valve

Standard or Nonstandard:Standard

Brand Name:BYHO

Details: If you have any enquiry about quotation or cooperation, please feel free to email us at market7@byhovalve.com or use the following enquiry form. O...

ZHEJIANG BYHO VALVE CO.,LTD

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Solenoid micro water pumps DRF-PW-CSS-U-02025-01

Details: DERNFU is a professional manufacturer of solenoid pump and micro pump.solenoids(Open Frame Solenoid;Tubular Solenoid;Keep Solenoid;Solenoids Valv...

Dernfu Electronic (Dongguan) Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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flapper check valve

Model / Specifications:kdsw

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: flapper check valve characteristic of product : 1.Small in size,light in weight,compact in structure,easy in maintenance.2.Two torsion springs ar...

Tianjin Kay Darth Wei Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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dn200 wafer type spring loaded flapper check valve cf8m

Details: 10 years professional butterfly Valve manufacture directly suppling: dn200 wafer type spring loaded flapper check valve cf8mFit: PN10,PN16 flanges...

Ningjin Hongda Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Flapper check valve

Price Range:US $1,000 - 100,000,000 / Unit

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: The design of flapper check valve results in a significantly reduced weight compared to conventional full body check...

AV Langfang Electronic Machinery Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Wafer Type Flapper Check Valve

Details: Wafer Type Flapper Check Valve Detailed Product DescriptionSize:2"-32" or DN50-DN800Pressure: Class150-1500LB or PN16-PN160 or 10K-40KMa...

Kist Valve Group Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Rubber Flapper Swing Check Valves(Sales No.:1428) KRS

Details: SpecificationsRubber Flapper Swing Check Valves(Sales No.:1428)Description: Rubber Flapper Swing Check ValvesBrief DescriptionRubber Flapper Swing...

Tianjin KRS Valve Co., Ltd.

Business Type:Manufacturers

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Free Member

China (Mainland)China (Mainland)

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Cast iron wafer type flapper check valve 6 inch

Details: Cast iron wafer type flapper check valve 6 inch 1.Specification Features:1) Designed according to API5942) Flange connections: ANSI 125 / 150 or ...

Tianjin Tangzheng Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Rubber Flapper Check Valve

Model / Specifications:RF Series

Structure:Check

Details: The Crispin Rubber Flapper Check Valve is a versatile and cost-effective solution to flow reversal....Model Number: RF Series

Crispin Valve

Business Type:Manufacturers

Free Member

United StatesUnited States

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Flapper check valve

Model / Specifications:GB

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Hydraulic

Details: Flapper check valve Features:1. face to face :DIN3202 F62. flanges:EN1092-2 PN163.Hydraulic test to ISO 52084,seat test pressure:17.6bar,shell tes...

Zhengzhou Dingsheng New Material Technology Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Rubber Flapper Check Valve

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

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Material:Casting

Details: Rubber Flapper Check Valve 1.Pressure:PN6/10/16 2.Temperature:0-82 degree C 3.Standard:MSS SP-71,BS5152,AWWA C508...

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

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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PLS-06004 high quality flapper check valve

Model / Specifications:Pls-06004

Standard or Nonstandard:Standard

Structure:Check

Pressure:Low Pressure

Power:Manual

Details: flapper check valve 1.Nomianl pressure:PN<1.0MPa 2.Applicable tempera:T<80 3.Weld thread 4.Cer:ISO9002:2008/CE/EN331/SGS...Place of Origin:...

Yuhuan Precise Valve Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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  • flapper valve Swing Check Valve is mainly composed of two parts, namely valve body and disc. The disc rotates around the bearing pin, and the medium flows towards the swing of disc, then it opens, while the med...
  • Female Swing Check Valve Female Swing Check Valve(stainless steel check valve,swing Check Valve,flapper valve)...
  • Rubber flapper, rubber seat rubber disc, rubber plug for valves Dalian Yingyu Co.,Ltd. provides various rubber accessories for valves, such as rubber seat for butterfly valve, rubber flap discs for SFCV, rubber plug for plug check valve... We can also make the...
  • Float Valve Flapper Precision casting Float Valve Flapper Precision casting Model GS type drill pipe float valveAlloy steel materialcasting processMachined by NC MachinesCarburizing and Manganese Phosphate Treating made for itConform...
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Product Summary

A flapper valve is simple, one-way valve that allows the flow of gases or fluids in one direction while preventing flow in the opposite direction. The valve accomplishes this objective with a spring loaded or weighted flap placed across the opening of a pipe, tube, or duct. The valve flapper releases in the direction of the desired flow and is either forced open by the flow or by remote means. When the flow is ceased or the remote actuation releases, the spring or weight of the flapper closes it against a seal. It effectively prevents fluid or gas from flowing back into the pipe. The flapper valve also prevents undesirable foreign objects from entering the pipe or channel to which it is attached.

Flapper valves are cost effective and efficient one-way seals and have many different applications ranging from large water treatment plant valves to small flush valves used in household toilets. Due to their inherent simplicity and lack of complex actuation systems, they are also among the simplest and cheapest valves to maintain. This makes the flapper valve a particularly attractive option for systems that work hard and are seldom subjected to very high pressures. This simplicity also makes flap valves very effective for applications in remote areas where regular maintenance is impractical.

One of the most common domestic applications of the flapper valve is the household toilet. In the application of toilet, it is a mechanism inside the toilet tank that controls the flush. When people push on the handle, the lever lifts a chain that in turn, lifts the flapper valve. The valve covers an opening in the bottom of the tank that allows the water to flow down into the bowl and creates the flushing action. The flapper valve is usually made of rubber, and can become hard and brittle over time. When this happens, it doesn't seal correctly over the opening at the bottom of the tank and water seeps down into the bowl. The problem is usually identified by the toilet running n

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