State of the art check valves, brayrite is rite sized. Wafer, flanged, solid lug, buttweld end, hub end, and in an extensive range of sizes, pressure classes and materials. Check valves are twoport valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. These valves are made from cast iron, cast steel, stainless steel, and a broad variety of exotic materials. Wafer, flanged, solid lug, buttweld end, hub end, and in an extensive range of sizes, pressure. The development and manufacture of our highquality valves are in compliance with all international standards and regulations. Stop check valves are essentially the same as globe and angle valves, except there is. If the valve is in a horizontal pipeline the disk hinge pin must be in the vertical position for correct operation. Powell companys products include a wide variety of valves in bronze, iron, steel, and corrosion resistant alloys for class 125 to class 4500 pressure service. Our experience as pioneer in the development of industrial valves encompasses over a century and a half of craftsmanship and valve knowhow. This greatly increases pipeline layout flexibility and significantly reduces costs. Unlike most conventional check valves, brayrite wafer combination swing check valves are ideal for both horizontal and vertical pipeline installation requiring only a single line for operation.
All standard 3500 rpm odp and tefc motors supplied by goulds pumps, have minimum of 1. Any motors supplied other than goulds pumps check available service factor. For additional types of check valves, please visit. Duo chek ii valves 1 duo chek ii high performance check valve is the original mission wafer check valve introduced to the market in the late 50s. Possible damages to the swing check valves and orings are to be checked prior to installation.
The ecoline valve range for all applications short description model main characteristics range dninch pn class general industry chemical industry clean water waste water building service energy low pressure gate valve ecolinesp metal seated, cast iron body and wedge flanged end, face to face iso 55814 40 to 200 16 gate valve ecoline. The joint between the seat ring and body is sealed by the flange gasket upon installation preventing any leakage through the. Ritag industrial valves for any application whether as a standard product or as a custom order. Valvula duo check wafer high perfomance 316 tipo h rex slideshare. However, check valves cant function at their best if they arent installed properly. Ritag wafer type check valves are available in any nominal diameter, pressure level and material for your processes. Check valves play a critical role in preventing backflow and protecting sensitive equipment, pipes, pumps, and compressors. Check valve and control valve manufacturer dft valves. Kw900w check valve iron, fire protection, wafer style. They are available in the sizes, pressure classes and configurations you need to meet the most demanding of applica tions.
The silent check valve is the preferred choice in applications where silent operation and cost are of major concern. Check that the direction of flow arrow is correctly positioned. Duochek high performance nonslam check valves are the original mission. Whether as a standard product or as a custom order. Another type is the center guided lift silent check valve.
They are available in the sizes, pressure classes and con. Duochek high performance nonslam check valves are the original mission wafer check valves introduced to the market in the late 50s. The pressure drop of the gulf wafer check can be calculated, for liquid or gas, using the charts and calculations shown on page 3. However, being smaller makes it lighter and, therefore, is more cost efficient to purchase, install and maintain. Our product range includes, but is not limited to, r 4jft up. Check valves prevent backflow by automatically closing when fluid reverses direction. Wafertype swing check valve with lever and weigth and additional damping. Globe screwdown check valve cast iron 5k technical data technical features 1 body cast iron 2 bonnet cast iron 3 handwheel cast iron 4 disc bronze ss 5 valve seat bronze ss 6 disc nut bronze ss 7 screw bonnet bush bronze ss 8 bonnet bush bronze ss 9 packing gland bronze 10 stem brass ss 11 stud bolt steel 12 stud bolt steel hexagon nut steel.
Duochek valves have long been the standard for lowpressure drop flow reversal protection. Mar 18, 2014 fusion bonded epoxy cast iron body with 316 stainless steel internals. The disk is suspended from the body by means of a hinge pin and seals against the seat which is integral with the body. All productwetted components are manufactured in pfa and ptfe materials. Ask us how to spec the right check valve, or get catalogs, chemical resistance guides and submittals.
They are available in the sizes, pressure classes and configurations you need to. Since 2008, flow and control engineering, llc has supplied the best quality valves, industrial equipment and component parts to our customers, with an excellent level of service and support. It acts as a wafer check valve clamped between flanges by having two spheres which are pushed together with flow in one. Mistakes in installation can manifest in valve leakage or failure, compromising the integrity of the entire piping system. Brayrite inlet ports and disc have been shape optimized to achieve a fully open position at low flow rates 3 fts on average. They are available in the sizes, pressure classes and configurations you need to meet the most demanding of applica. Double door, spring loaded, wafer check valve designed to. In most installations, slamming is minimized upon reversal of flow so noise and vibration are reduced. Therefore, they are to be stored in their original packaging in a place, which is also to be kept as cool, dry and dark as possible. When a check valve is needed to prevent backflow, nibco has a complete lineup, including the nibco ring check with selfclosing disc, horizontal swing, sliding disc, silent check and y pattern. Valvula duocheck wafer amedch01 amedch02 dual disc check wafer ansi cl125 las dimensiones y peso pueden cambiar sin previo aviso dimensions and weight can be changed without notification. Its short linear stroke and spring return action combine to close the valve prior to flow reversal which effectively eliminates the shock and water hammer normally associated with the sudden stoppage of a reverse flow. High performance nonslam check valves key features features benefits lightweight and compact wafer design 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.
Replaceable rubber seated butterfly valve 6 8 10 srs 710v wafer type 711v lug type 712v usection type vulcanized rubber seated butterfly valve 12 14 srs 740 wafer type ptfe seated butterfly valve 25 srs 810 wafer type duo check valve 27 srs 410 flange type ystrainer 31 model no. The compact valve body design allows a flow area exceeding the pipe area to minimize flow losses and maximize efficiency. The check valve is recommended for automatic fire sprinkler applications where space is a premium. Duo check valve stainless steel valve is use for preventing the backgoing of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.
In liquids and gases as overflow protection with hollow balls and in conjunction with safety valves on exhaust systems with steel encapsulated ptfe lined balls. Download version type download double door check valve sales brochure. It acts as a wafer check valve clamped between flanges by having two spheres which are pushed together with flow in one direct and then expand to cut off flow in. A check valve, clack valve, nonreturn valve, reflux valve, retention valve or oneway valve is a valve that normally allows fluid liquid or gas to flow through it in only one direction. Sanitary standards the checkall style 3s check valve is compliant with 3a sanitary. Ritepros brayrite wafer combination swing check valves are flow activated and rite sized. Duochek offers retainerless designs to api 594 endtoend dimensions in steel bodied wafer and lug style with a wide variety. Our experience as pioneer in the development of industrial valves encompasses over a century and a half of craftsmanship and valve. That means when you order checkall valve products you are assured of receiving the highest quality check valves. The extended body version of the duo chek ii was designed for extremely fast opening conditions. Swing check valves are available in straight body design and ypattern design. The unique spring loaded, stainless steel disc and guiding system insures quick. Duochek high performance nonslam check valves are the original mission manufacturing company wafer check valves introduced to the market in the late 50s.
Style x extended body wafer check valves consult factory for additional sizes and pressure classes. Duochek ii check valves crane process flow technologies. It is a known fact that all check valve discs flutter. They are available in the sizes, pressure classes and configurations you need to meet the most demanding of applications. Cast stainless steel valves products include check.
They are available out of stock in wafer style and by special order in lug and flanged style. Drawing labels, details, and other text information extracted from the cad file translated from spanish. Duochek high performance check valves superior valve co. Standard catalog units may utilize available service factor. Swing check valves include sealing elements consisting of organic material, that reacts to environmental effects. Peru clase valvulas marca rex cuerpo acero inoxidable a351 cf8m 316 cuerpo acero inoxidable a351 cf3m. The front and back sides of the swing check valves must not be mechanically damaged. If the valve is already assembled into the pipeline, the vertical hinge pin position can be determined by. Retainerless valves for critical applications without pin retainer penetration through the body are available in wafer and are standard in lug and double flange. The accurate sizing of check valves is crucial to ensure an acceptable pressure drop and a long service life. Mueller canada offers several types of check valves including. These in line check valves have springloaded discs which move along the pipe axis over a short distance to close automatically in a fraction of a second.
Our product range includes, but is not limited to, sizes. Duochek ii high performance check valves are the original mission wafer check valves introduced to the market in the late 50s. 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. Davis valve offers a wide range of double door wafer checks in cast iron, cast steel, stainless steel as well and steel and stainless alloys. Types of check valves different check valves types of. Patented slim plate design giving improved flow efficiencies and superior metaltometal seating shutoff. Dual plate check valve patented slim plate design giving improved flow efficiencies and superior metaltometal seating shutoff. Ritag wafer type check valves 2,4 mb pdf proven, a thousand times over.
Duochek valves duochek high performance nonslam check valves are the original mission wafer check valves introduced to the market in the late 50s. Duochek high performance nonslam check valves crane. Duochek ii high performance check valves are the original mission wafer check valves introduced to the market in the late. Stop check valves tilting disc check valves are similar to swing check valves. Duochek check valves installation and operation manual. Check valves are used for prevention of back flow on liquid columns in front of pumps with solid balls. Duo chek valves duo chek high performance nonslam check valves are the original mission wafer check valves introduced to the market in the late 50s.
Duochek ii valves style x extended body wafer check valves. The nibco cast iron, wafer style check valve is spring actuated which reduces noise for quiet operation. The dft model wlc wafer style silent check valve is a lightweight, springassisted, inline check valve that provides reliable, low maintenance service for a wide range of fluids and pressuretemperature combinations. Apco smartcheck pump control valve cpc apco swing check valves cvs apco rubber flapper swing check valves crf apco slanting disc check valves csd apco double door check valves cdd apco silent check valves csc apco full flow foot valves fff. Estos precios no incluyen iva y estan sujetos a cambio sin previo aviso. Checkall products are designed, manufactured and distributed in accordance with iso 9001 requirements. Check valves series 717 chec valve series 717h high pressure check valve 10. Duochek ii valves duochek ii high performance check valves are the original mission wafer check valves introduced to the market in the late 50s.