dual plate check valve installation

Installation and operation manual Dual plate check valve LK

Installation and operating manual Dual plate check valves Article no: 74520 Revision: 1 11 12 4B 6 Maintenance and repair LK Valves dual plate check valves are designed to be maintenance free, but to guarantee the function it is important for the valve to be in regular use to avoid the disc to stick in the seating

DPV API 594 Dual Plate Wafer Check Valves

The above example, namely DPV Fig W72, shows an ANSI Class 150 Dual Plate Wafer Check Valve for Installation between ANSI Class 150 Raised Face Flanges ANSI Class 2500 ANSI Class 300 ANSI Class 600 ANSI Class 900 ANSI Class 1500 Check Valve Design Features Standard Materials of Construction ANSI Class 150 Body Type API 594 DUAL PLATE CHECK

Dual Plate Check Valves - Wafer l ug Carbon Stainless Steel

Dual Plate Check Valves - Wafer l ug Carbon Stainless Steel Wafer Sizes 1 5 - 84 Class 150 thru 2500 lug Sizes 2 - 36 Class 150 - 900 Design and Manufacturing Standards basic Design aPI 6D aPI 594 Face to Face Dimension aPI 6D aNSI/aSME b16 10 Flange End Dimension aNSI/aSME b16 5 Inspection Testing aPI 598

Duo-Chek High Performance Check Valves

valve wide open Unstressed spring Plate in open position Spring with valve closed Plate in closed position 140° 55° The innovative dual-plate design of the Duo-Chek employs two spring-loaded plates disc halves suspended on a central vertical hinge pin As flow begins, the plates open in response to a resultant force F which acts as the

Check Valves Spirax Sarco

A check valve is also installed after the steam trap that drains the flash vessel Split disc check valves The split disc check valve or dual plate check valve is designed to overcome the size and pressure drop limitations of the swing and disc type wafer check valves

Dual Plate Wafer Check Valves - The Valve Shop

Dual plate wafer check valves have larger open area than other designs, thus reducing pressure drop compared to swing, lift or other check valves Light Weight Reduces weight by 8090 compared to conventional Flanged check valves Lower Cost Light weight, compact profiles and the elimination of flanges allows DPW check valves to be

INSTRUCTIONS FOR ASSEMBLY AND DISASSEMBLY DUAL PLATE CHECK VALVES

installation in the pipeline such like not respecting the precautions for assembly in pipeline or the application with very corrosive or aggressive fluids For general recommendations, please consult our mounting instructions and maintenance for the check valves 2 1 ASSAMBLY DUAL PLATE CHECK VALVES 1

Types of Check Valves Different Check valves - Inst Tools

When ball check valves encounter high pressures and dynamics, severe slamming may result DUAL PLATE WAFER CHECK VALVE 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

DUAL PLATE WAFER CHECK VALVE CATALOG - Walworth

DUAL PLATE WAFER CHECK VALVE IRON AND CAST STEEL Advantages of Design The main purpose of the DUAL PLATE WAFER CHECK valve is to perform the work of almost any conventional valve However, being smaller makes it lighter and, therefore, is more cost efficient to purchase, install and maintain It is also a silent check valve because

FBV Dual Plate Wafer Check Valve - YouTube

Cast steel dual plate check valve for oil gas industry, designed to API 594

LT Valves Dual-plated Check Valves - Microsoft

Dual Plate Check valves are offered in cast construction Valves are with single piece body construction either with flanged /butt weld/wafer/Solid lug ends The Dual Plate 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

Dual Plate Check Valves

Dual Plate Lug Check Valves Dual Plate Lug Check Valves RETAINERLESS DESIGN ACCORDING TO API 594 ORION STEEL VALVES Only as Example: For Installation Recommendation, please refer to page 96 88 Dual Plate Check Valves API 594

Figure 45 Dual Plate Check Valves General Installation

Figure 45 Dual Plate Check Valves General Installation Details - The Dual Plate Check Valves are designed to be located within the bolt circle of the pipeline flanges Fitted with a spring, the valves are suitable for both vertical and horizontal lines Without a spring, the valves can only be used in a vertical line with an upward flow

Dual Plate Check Valves vs Swing Check Valves - KB Delta

As a consequence, dual plate check valves are more popular than swing check valves 2 Cost When a dual plate check valves total cost is considered, it is considerably lower than that of a swing check valve The total cost includes the installation cost, energy cost, and maintenance cost An instance of an estimated cost that can be

Double Check Valve Installation Instructions

Double Check Valve Installation Instructions Models DCV 2-1/2 10 Flomatic Corporation Flomatic Corp, 15 Pruyns Island, Glens Falls, New York 12801 Phone: 518-761-9797 Fax: 518-761-9798

Duo-Chek High Performance Non-Slam Check Valves - CRANE

Installs between mating flanges with 10 to 20 the weight of flanged swing checks in popular sizes - Saves money in initial valve cost and provides lower installation cost Dual Plate, Flat Seat Design: Plate heel is lifted first by design to prevent seat wear

Dual Plate Check Valve - YouTube

Dual-plate check valve Welco valve company provides dual plate check valves with spring loaded, can significantly reduce water hammer This valve is mainly s

The Basics of Check Valves Pumps Systems

Swing Check Valve This is probably the most common check valve in use today and is a full-port design, meaning the disc, when fully open, is out of the flow stream This style of check valve is a good choice in applications that have a high percentage of solids and a lower on/off cycle count Due to the travel distance of the disc, swing check

CV122S Wafer Duo Style Check Valve Braeco

Wafer style, dual plated check valve, cast iron body, 316SS plates, pins springs, EPDM seat Rated 10 bar Valves up to including 12 DN300 size have face gaskets, eliminating the need for flange gaskets