Ductile Iron Wafer Spring Loaded Double Disc Non Return Check Valve (H76X)

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Spring Loaded Check (Non-Return) Valves - Johnson Valves

JV081007 – Ductile Iron Marine Wafer Spring Assisted Dual Plate Check (Non-Return) Valve – NBR Seat A marine duty ductile iron, spring-loaded dual plate check valve with aluminium bronze flaps and NBR seats suitable for cold and hot water, seawater, fuel oil and other non-aggressive media.

Spring Loaded Check Valves - Milliken ® valve

Double Disc Check Valve: Technical Specifications. Check valve shall be of the double disc, wafer style with torsion spring induced closure. Valve shall be Wafer style for bolting between ANSI Class 125 flanges and shall be rated for 250 PSI service. Valves have a Ductile Iron body (ASTM A-536 65-45-12) to fit inside 125# ANSI bolt circles, a two

CVC Ductile Iron Wafer Style Check Valve - Matco-Norca

CVC Ductile Iron Wafer Style Check Valve from Matco-Norca, the leading supplier of globally sourced, code-compliant Plumbing & PVF products. Call (800) 688-2583 Sign Up for Email Updates

Check Valves – Cast & Ductile Iron - Johnson Valves

JV081017 – Ductile Iron Spring Assisted Axial Disc Check (Non-Return) Valve A WRAS approved epoxy coated cast iron, spring-loaded axial disc check valve with EPDM seats suitable for water applications offering good tightness at low differential pressures and can help to prevent water hammer.

APCO INDUSTRIAL CHECK VALVES - DeZURIK

Very short length, results in lowest purchase and installation costs. APCO Double Door check valves are regularly supplied in Ductile Iron, Bronze, Carbon Steel, 316 Stainless Steel, 410 Stainless Steel or Monel Body and Door Materials. Spring and Hinge Pin are 316 Stainless Steel or Inconel.

Water Works Check (Non-Return) Valves - Johnson Valves

JV081017 – Ductile Iron Spring Assisted Axial Disc Check (Non-Return) Valve A WRAS approved epoxy coated cast iron, spring-loaded axial disc check valve with EPDM seats suitable for water applications offering good tightness at low differential pressures and can help to prevent water hammer.

Wafer Body Double Disc Check Valves - Keckley Company

Keckley double disc check valves offer a short face-to-face dimension, are lighter in weight than full body check valves, and are double disc spring loaded to provide a low cracking pressure. The design of the tension spring performs a lifting motion on the disc to prevent excessive wear on the “heel” area of the elastomer seat.

Ductile Iron Check Valves - NIBCO.com

Sort by: Check Valve - Class 150, Ductile Iron F-938-31 250 psi/17.2 bar non-shock cold working pressure, 150 psi/10.3 bar saturated steam to 366°F/185°C, Iron body, bronze mounted (IBBM), Bolted bonnet, Renewable seat and disc, Bronze mounted trim, Class 150 flanged end connections. Conforms to …

Ductile Iron - Johnson Valves

General purpose ductile iron SDNR angled globe valve with a bronze disc. Manufactured with a non-return design, preventing reverse flow when in the open position, also suitable for isolation duty. Class society inspection and 3.1 material certification can be arranged on request.

Titan - Check Valves

Titan's full line of silent, wafer, dual-disc, and globe type check valves.

Water Works Check (Non-Return) Valves - Johnson Valves

JV081017 – Ductile Iron Spring Assisted Axial Disc Check (Non-Return) Valve A WRAS approved epoxy coated cast iron, spring-loaded axial disc check valve with EPDM seats suitable for water applications offering good tightness at low differential pressures and can help to prevent water hammer.

W-920-W-LF - 2 - 12 inch - Check Valve - Lead-Free*, Class ...

Check Valve - Lead-Free*, Class 125, Wafer Style, Buna-N Seat, W-920-W-LF - 2 - 12 inch The NIBCO® lead-free* cast iron wafer style check valve is spring actuated with Buna-N seat. The spring return reduces noise for quiet operation.

CVCUL Ductile Iron Wafer Style Check Valve - UL Listed

CVCUL Ductile Iron Wafer Style Check Valve UL Listed from Matco-Norca, the leading supplier of globally sourced, code-compliant Plumbing & PVF products. Call (800) 688-2583 Sign Up for Email Updates

APCO CDD-9000T DOUBLE DOOR CHECK VALVE - DeZURIK

and non-slam properties. Double door check valves are spring loaded for fast, non-slam shut-off against the elastomer or metal body seat. When the pump starts and the downstream flow creates the required pressure drop in the forward direction, the double doors will automatically open. When the pump stops

APCO INDUSTRIAL CHECK VALVES - DeZURIK

Very short length, results in lowest purchase and installation costs. APCO Double Door check valves are regularly supplied in Ductile Iron, Bronze, Carbon Steel, 316 Stainless Steel, 410 Stainless Steel or Monel Body and Door Materials. Spring and Hinge Pin are 316 Stainless Steel or Inconel.

Dual Plate Type Check Valve Manufacturer, Double Disc ...

A complete range of Dual Plate Type Check Valve Manufacturer, Double Disc, Flap, Door Type Check Valve - NRV, Wafer - Lug Type - Flanged End Check Valve, Non Return Valve, Spring Loaded Dual Flap Check Valve Exporter, Suppliers, Stockist, Importer by Nivz Valves & Automation.

Cast Iron Body swing type check valve NRV SS Disc Double ...

Cast Iron Body Check valve . Cast Iron Body . Viton Seat . Double Door / Plate . SS Disc . PN10 / 16 . Application: The Check valve is used for preventing the back-going of medium in pipelines and equipments, and the . pressure of medium will bring the result of opening and closing automatically. When the medium is back-going, valve disc will automaticaly closed to avoid accidents. Buffer Check …

Oil & Gas Production | championvalves

Champion Valves' wafer check valves are used in all liquid and gas services, except for highly viscous fluids and fluids with high solid content. Light weight and space saving designed wafer check valves are ideal for offshore platforms in ASME Pressure classes ranging from 125 to 2500 and API 2000 to 10000.

Check/Non Return Valves | Alma Valves

Check/Non Return Valves ... 1¼” 1½” 2″ 2½” 3″ Uniwat 3141N Cast Iron Ball Check Valve Uniwat Ball Check Valves: CIM 32 BRASS SPRING LOADED CHECK VALVE MXF ... GE2415 WAFER DISC CHECK VALVE 316SS Body, Disc & Spring Suitable for PN10/16 & ANSI 150 Flanging

Check Valves Archives - AVFI

Stocked check valves are available in a variety of materials such as cast iron, ductile iron, stainless steel, PVC and FIP thermoplastics. Positioners, limit (open/close) switches and relays can be fitted to check valves (non return valve) to suit order requirements. Refer to the appropriate data sheet for full details on AVFI check valves.

Dual Plate Check Valve or Non Slam Zero Velocity Non ...

The Dual Plate Check Valve employs two spring-loaded plates hinged on a central hinge pin. When the flow decreases, the plates close by torsion spring action without requiring reverse flow. This design offers the twin advantages of No Water Hammer and Non Slam simultaneously. All features put together make the Dual Plate Check Valve one of the most efficient design.

Disk Type Check Valve Ductile Iron (PN16) | Duyar Valve

Full Lift Safety Valve (With Spring, PN16) Proportional Lift Safety Valve (With Spring, PN16; Steam Traps . Inverted Bucket Steam Trap (Flanged-Threaded, PN16) Check Valves . Disk Type Check Valve Brass (PN16) Disk Type Check Valve Ductile Iron (PN16) Dual Plate Check Valve (PN16) Check Valve (With Spring PN16) Swing Check Valve (PN16) Wafer ...

Check Valves | Kennedy Valve Co.

Check Valves. AWWA C508 was developed in 1976 to set a standard for the manufacture, testing and application of the Iron Body Bronze Mounted Check Valves. The valves are designed with an iron body and include either metal to metal or composition to metal seating. Check Valve Product Brochure. O&M Manual - Swing Check Valves

Check Valves (Non Return Valves) - Valves Online

With numerous applications in process, industrial, domestic and drinking water systems all requiring some form of check or non-return valve, correct selection is vital. Common types of check valve include: Barrel Spring, Swing, Disc (Foot Valves), Ball, Wafer, Wafer Pattern and Dual Plate check valves.

When to Use a Swing Check vs Wafer Check Valve

When it comes to check valves, swing checks and wafer checks are actually similar in many ways. Both serve to block back flow from occurring in a pipe line. Both use a swinging disc to block and allow flow in one direction. The differences in the two valve may seem obvious when you look at them, but many users don't realize the difference it might make in their application.Wafer check valves ...

China Check Valve Suppliers, Manufacturers, Factory ...

Stainless Steel Lift Check Valve Disc Check Valve Description The stainless steel disc check valve is of the wafer pattern Designed to be sandwiched between ASME flanges. It is suitable For use on a wide range of fluids for applications in process lines, Hot water systems,...

Ductile Iron Check Valve, Ductile Iron Check Valve ...

And whether ductile iron check valve is manual, hydraulic, or pneumatic. There are 3,085 ductile iron check valve suppliers, mainly located in Asia. The top supplying countries or regions are China, Turkey, and South Korea, which supply 98%, 1%, and 1% of ductile iron check valve respectively.

Double Disc Wafer Check Valves | Products & Suppliers ...

Find Double Disc Wafer Check Valves related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Double Disc Wafer Check Valves information. ... Description: Design Flanged or weld end non-return valve, check disc with closing spring; seats made of wear and corrosion resistant 17% Cr steel or stellite ...

Check Valve - China Valve, Swing Check Valve Manufacturers ...

View reliable Check Valve manufacturers on Made-in-China.com. This category presents Valve, Swing Check Valve, from China Check Valve suppliers to global buyers., page 65

titan ChECk ValVEs

Fax 3. vs. Titan Check Valves are made with the alloy Ductile Iron for prices that are comparable to Cast Iron! flakes that make it brittle. Iron have a yield strength comparable to Carbon Steel, but it also has the anti-corrosive properties of cast iron, making it the preferred material for iron check valves.

Check Valves Archives - AVFI

Stocked check valves are available in a variety of materials such as cast iron, ductile iron, stainless steel, PVC and FIP thermoplastics. Positioners, limit (open/close) switches and relays can be fitted to check valves (non return valve) to suit order requirements. Refer to the appropriate data sheet for full details on AVFI check valves.

Check Valve Manufacturers | Check Valve Suppliers

A disc check valve is a check valve that uses a disc-shaped device as its stopper. Disc check valve types include: lift check valves, swing check valves, butterfly valves and wafer check valves. Since each of those valve types are quite different from one another, we’ll talk about each of them under their own definition heading.

check valve,industrial check valves,non return valve ...

Check valve, also known as Single check valve or non-return check valves, it's role is to prevent the media back in the pipeline. Water pump off the bottom of the valve is also a check valve category.not only yuming is the check valve and non return valve manufacturers.but also is check valve suppliers. if you need please contact us!

Check Valves - NIBCO

Check Valves Get Your Backflow in Check When a check valve is needed to prevent backflow, NIBCO has a complete line-up, including the NIBCO ® Ring Check ® with self-closing disc, horizontal swing, sliding disc, silent check and Y pattern.

Ductile Iron Wafer Check Valve, Ductile Iron Wafer Check ...

CV-SY-621 Cast/Ductile Iron/Stainless Steel wafer non-return wafer dual door check valve cast iron/ductile iron/WCB/ Stainless steel wafer non-return check valve: is important parts of the valve body,valve disc,valve stem and spring, and pin compact design. shortened duo to the close stroke of the valve plate and spring action can accelerate to ...

F-938-31 - Check Valve - Class 150, Ductile Iron

Check Valve - Class 150, Ductile Iron, F-938-31. The ductile iron Class 150 check valve features raised face flanged end connections for easy installation. It is equipped with a bolted bonnet for maintenance accessibility. The swing check valve includes a renewable cast bronze seat and disc. The check valve is recommended for commercial and industrial steam, water, oil and gas services.

China Double Disc Butterfly Valve, Double Disc Butterfly ...

If you are interested in China Double Disc Butterfly Valve, You will be amazed by the variety of the product choices such as check valve, butterfly valve, stainless steel valve. Besides, their competitive & cheap price of Double Disc Butterfly Valve factory would get you an edge in your own market.

Check Valves – Pratt Industrial, Emporia, Kansas

2"-12" Bronze to BUNA, Lever and Spring Submittal Drawing 2"-12" Bronze to Bronze, Lever and Spring Submittal Drawing 14"-16" Bronze to BUNA, Lever and Weight Submittal Drawing

COMPACT CHECK VALVES - Milliken Valve

SPRING LOADED CHECK VALVES STANDARD FEATURES • Spring Loaded for Non-Slam Closure • Heavy Duty Ductile Iron Body • Automatic Operation • Designed for ANSI Class 125 Flange Bolting SCOP OF THE LINE TECHNICAL SPECIFICATIONS Check valve shall be of the double disc, wafer style with torsion spring induced closure.

NEWLY MODEL:CV 31-DI - Titan Flow Control

SWING CHECK VALVE • WAFER TYPE • SINGLE DISC MODEL: CV 31-DI (Ductile Iron Body) Buna-N Seat • Stainless Steel Disc REFERENCED STANDARDS & CODES CODE DESCRIPTION ASME B16.42 Ductile Iron Pipe Flanges and Flanged Fittings ASME B16.5 Pipe Flanges & Flanged Fittings API 594 Wafer, Wafer-Lug, & Double Flanged Type Check Valve

Check Valve non return valves Flosteer check Valves (NRV)

The Dual Plate, Wafer Check Valve employs two-spring-loaded plates hinged on a central hinge pin. When the flow decreases, the plates close by the action of torsion spring before flow reversal takes place. All features put together make the Dual Plate Check Valve as the most efficient & versatile design.

Wafer & Silent Check Valves - N & N International

The Dual Disc® Check Valve with its compact wafer design and low cost have made it a popular choice when space and price are major factors in valve selection. The compact design features non-slam spring-assisted closing. 8800 Wafer Style available in sizes 2"- 66". 8800 Grooved End Style available in sizes 2”- …

Check Valves from Stayflow Strainers

The DD-DW1 ductile iron body, lead free double disc swing check valves use spring assisted half-discs. The wafer style body design is compact, and it mates to 150# flanges. It is suitable for frequent flow reversals, but not fluids with solids.

wafer check valve,wafer type non return valve,butterfly ...

wafer check valve is also as double plate check valve and butterfly check valve.wafer type non return valve is application to pure pipe and industrial, environmental protection, water treatment, high-rise building to the drainage pipe, to prevent the reverse flow of media purposes. The check valve using the folder-style, butterfly plate for the two semicircles, and the use of forced spring ...

Non Return / Check Valve Archives | ANBI Online

ductile iron flanged foot valve Foot valves work by ensuring that the water in a well pump only flows in one direction. Foot valves are a type of check valve, but they differ in that the flow area is larger in size than the rest of the pipe.

Ductile Iron Valves - Kitz Corporation (UK Office) Valve ...

KITZ ductile iron valves are made of JIS FCD-S or ASTM A395 ductile iron. The history of the introduction of ductile iron valves on the market is rather short, howev-er, the de-mand is steadily increasing as a result of their economic advantage as well as the fact that their wide range of service applications is comparable with cast steel valves.

Ductile Iron Valves

Pressure-temperature rating specified for API 604 Class 150 valves is applied to ASME Class 150 ductile iron valves. ★ 1 200℃ maximum ★ 2 220℃ maximum ★ 3 Valves marked are provided with Co-Cr-W alloy hard facing on the disc and seat ring surfaces for high temperature service.Hard facing is available for other valves listed here when ...

When to Use a Swing Check vs Wafer Check Valve

When to Use a Swing Check vs Wafer Check Valve. These valves are sleek and made to fit in tight spaces between two flanges. There are no controls on this valve. The main component of the valve is a swinging disc in the center that opens in one direction and closes if liquids flow back the other direction. Swing check valves, as the name implies, also uses a swinging disc to allow or block flow.

Wafer Check Valve NRV in Single Plate Sandwich Flangeless Type

The wafer check valve is ideal for pump discharge duties. The eccentric mounted hinge pin in combination with the disc seat guarantees a positive shut off of the returning media. Wafer Check Valves also available with Spring Loaded version on specific request.

Cast Iron Check Valves - nibco.com

Check Valve - Cast Iron, Swing, Iron Trim F-918-N 125 psi/8.6 bar saturated steam to 353°F/178°C, 200 psi/13.8 bar non-shock cold working pressure, All iron trim, Bolted bonnet, Renewable seat and disc, Class 125 flanged end connections, Use in U.S. drinking water applications is …

120W Ductile Iron Flanged Check Valve - AWWA

120W Ductile Iron Flanged Check Valve - AWWA. • Flanged Ends Conform with ANSI B16.1 The 120W is the same valve as the 120WC without the Lever and Weight.

CHECK VALVE - Wenling Xinbo Valve Co., Ltd. - page 1.

China CHECK VALVE catalog of Double Flange Swing Check Valve/ Cast Iron Swing Check Valve, OEM/ODM Factory Brass Bronze Stainless Steel Ductile Iron Globe Swing Check Valve with UL CSA Ce SA TUV Dvgw Upc Acs ISO9001 provided by China manufacturer - Wenling Xinbo Valve Co., Ltd., page1.