Products/Services for Anti Slam Check Valves
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Check Valves - (1956 companies)Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. Fluid flow in the desired direction opens...Valve TypeSevere Service RatedBack Flow Preventer Assembly -
Butterfly Valves - (1275 companies)These are commonly found in relief valves, safety valves, check valves, and steam traps. Because these actuators use the fluid in the system, no external power is required. Speed of Power Actuators. Actuators can vary in operating speed. The speed... -
Industrial Valves - (3061 companies)...functions include stopping and starting flow, throttling (control) flow, and acting as a non-return check for flow (check). Stop/Start valves are used for systems that do not need the flow throttled. The valve opens to allow the flow and closes... -
Ball Valves - (2118 companies)...for chemical or non-sterile applications. See GlobalSpec's Valve Application and Valve Standards pages for more information. Features. Ball valve manufacturers have ball valves available with several different features to fit an application. Swing check... -
Hydraulic Valves - (685 companies)...of Hydraulic Valves. Hydraulic valves can be almost any valve, i.e., check valve, drain valve, control valve, and many more, as long as the valve restricts hydraulic fluid they can be classified as hydraulic valves. For a full description on types... -
Gas Valves - (538 companies)...requirements. Gas valves are available in most of the basic valve technologies such as ball, butterfly, plug, needle, and various check valve designs. They are used in many industrial, commercial and residential applications for on/off, modulating, and control...
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Globe Valves - (799 companies)...23. Self-actuated valves use the system fluid to position the valve. These are commonly found in relief valves, safety valves, check valves, and steam traps. Because these actuators use the fluid in the system, no external power is required...
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Control Valves - (1650 companies)...standards, and Federal specification WW-V-35C. Check with manufacturer for exact listings. Some control valves may come configured as a multi-piece design. Applications. Common applications for control valves include general purpose, process control...
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Air Valves - (794 companies)...include stopping and starting flow, throttling (control) flow, and acting as a non-return check for flow (check). Stop/Start valves are used for systems that do not need the flow throttled. The valve opens to allow the flow and closes to stop flow...
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Water Valves - (607 companies)...as a non-return check for flow (check). Stop/Start valves are used for systems that do not need the flow throttled. The valve opens to allow the flow and closes to stop flow. Throttle or control valves control the speed and capacity of flow through the system...
Product News
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DFT Inc.
DFT Non-Slam Check Valves for Harsh Environments The DFT (R) models GLC (R) and Excalibur (R) NAB (Nickel-Aluminum Bronze) Silent Check Valves are spring-assisted, nozzle style, non-slam check valves that are designed to withstand the harsh environments of salt and brine water applications where corrosion resistance and marine life deterrents are a must. DFT's center-guided check valves provide reliable, low-maintenance service and solve the problems associated with water hammer and severe applications and environments. GLC (R) - NAB FEATURES... (read more)Browse Check Valves Datasheets for DFT Inc. -
DFT Inc.
DFT Corrosion Resistant, Non-Slam Check Valves The DFT (R) model DLC (R) model check valve is one of many corrosion resistant, dependable, versatile, and economical spring-assisted, in-line non-slam check valves built for a wide range of applications 1/2" to 3" line size. Whether the fluid is liquid, gas or steam, the DLC (R) provides tight shut-off and protects other equipment in the system from water hammer. Its 316 stainless steel construction ensures a long service life. ASME B16.10 Face-to-Face dimensions. Spring-assisted silent... (read more)Browse Check Valves Datasheets for DFT Inc. -
DFT Inc.
Watch DFT's Non-Slam Check vs Swing Check Video View DFT's Video: GLC vs. Swing Check Valve and see how the axial flow, non-slam, spring-assisted GLC (R) check valve closes silently as the flow stops, but before reversal of flow thereby eliminating water hammer. Built for reliability, longevity, and low maintenance, the GLC Check Valve provides tight shut-off and protects other equipment in the system from water hammer. The GLC (R) is also available in Nickle-Aluminum Bronze to withstand the harsh environments of salt and brackish water... (read more)Browse Check Valves Datasheets for DFT Inc. -
McWane Plant and Industrial
Understanding Swing Check Valves Swing check valves are probably the most misunderstood valve in. the municipal water works industry. What causes a check valve to. slam? How can we prevent it? How does the design of a swing check. valve make it susceptible to slam? Why are there so many closure. devices available?. To answer those questions, we need to understand the problems of. water hammer and valve slamming, the general design of a swing. check valve, and the pros and cons of each type of closure device. available... (read more)Browse Check Valves Datasheets for McWane Plant and Industrial -
DFT Inc.
DFT Check Valves for Demanding Applications The DFT (R) model Excalibur (R) and GLC (R) Check Valves are center guided, spring-assisted, dependable, in-line check valves for a wide range of applications. These Check Valves provide tight shut-off to protect other equipment in the system from water hammer in liquid, gas, or steam services. Built for reliability, longevity, and low maintenance, the GLC and Excalibur Check Valves are not susceptible to the failures experienced with swing checks due to the slamming of the disc against... (read more)Browse Industrial Valves Datasheets for DFT Inc. -
DFT Inc.
Understanding Check Valves: Webinar by DFT in product that is backed by a team of professionals ready to serve and support. DFT offers many different types of valves, including sanitary valves, vacuum breaker valves, restrictor valves, compressor valves, wafer, threaded, and flanged valves, socket weld valves, soft seat valves, in-line valves, silent check valves, spring assisted valves, non-slamming, and non-return valves, chemical valves, horizontal and vertical valves. DFT also has a line of Control Valves featuring a straight-thru Venturi... (read more)Browse Check Valves Datasheets for DFT Inc. -
DFT Inc.
DFT® check valves for chemical manufacturing wafer, RTJ, butt weld, Victaulic (R) or threaded). Materials range from WCB, SS, to exotic alloys including Nickel-Aluminum Bronze. View our other offerings for the Chemical Manufacturing Industry: Flanged Check Valves. Wafer Check Valves. Threaded Check Valves. Sanitary Check Valves. Butt Weld Check Valves. And did you know DFT (R) can size your check valve based on YOUR flow conditions?. For further information on our full line of DFT (R) Non-Slam Silent Check Valves visit our website... (read more)Browse Check Valves Datasheets for DFT Inc. -
DeZURIK, Inc.
Maximize Performance of Check Valves These key considerations will extend the life of the check valve, ensure proper protection of process equipment, and prevent an unplanned shutdown. For more information visit DeZURIK.com. (read more)Browse Industrial Valves Datasheets for DeZURIK, Inc. -
DFT Inc.
Check Valves in Semiconductor Fabrication Check Valves in Semiconductor Fabrication. To manufacture semiconductors, fabs require significant amounts of water and steam. Check valves are critical components on a pump 's discharge in the fluid systems that deliver or transport these materials. DFT valves ensure tight seals, offering reliable protection against backflow while enabling smooth and efficient fluid flow. Read all about it in Our Semiconductor Check Valves Blog Post (read more)Browse Check Valves Datasheets for DFT Inc. -
Lee Co. (The)
LEE CHECK VALVES The Lee Company manufactures a wide variety of miniature, pre-tested cartridge check valves that offer proven reliability and performance. With almost one million valves successfully in service, some for over 20 years, Lee check valves set the standard for small size, light weight and proven reliability. Four types of miniature check valves are available: Axial Flow Check Valves. Side Exit Check Valves. Zero Leak Check Valves. Pilot Operated Check Valves. Axial Flow Check Valves. Lee Chek (R) O... (read more)Browse Check Valves Datasheets for Lee Co. (The)
More Information
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Design and Operation of the Accident Gas-storage Field
Venturi plug valves, full-opening gate valves and anti - slam check valves are used throughout the major gas system.
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Modeling Emergency Shutdowns of Centrifugal Compressors.
Check valves with anti - slam trim, for example, essentially cause a delayed closing of the check valve.
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Petrobras Experience on Offshore Multiphase Pumping
Thus, check valves – desirably an anti - slam in type – or an anti-rotation preventive device shall be installed; • Upon sand production the best coating schemes shall be sought for the screw rotors and pump casing inner wall or pump …
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Field Experience With Multiphase Boosting Systems At Campos Basin, Brazil
Thus, check valves – desirably an anti - slam in type – or an anti-rotation preventive device shall be installed; • .
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LIQUID METAL ENGINEERING CENTER (LMEC). Semiannual Technical Progress Report, January-June 1969.
Notes - Check Valves : 15. Dash pots or other anti - slam devices a r e required t o avoid mechanical damage to the valve or seat.
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Physiology of the human
- 7 bicarbonate HCO3 - / Cl -- anti porters, bowel epithelium 823, small intestine 823-Na+-Absorption 823, digestive tract 799 HDL (high … … 84, präsynaptische 85, 137-recurrent (rücklaufende) 91, 138, Renshaw inhibition, reciprocal 136, tonic, deszendierende, smarting control 308 Henderson-Hasselbalch equation … … 538, metabolic substrates, heart rate 566, 862, in the age 885, transmurale ischemia, valve plane, ventricle volume … … wall voltage, cardiac rhythm 534 cardiac arrhythmias, alkalosis 761, electrotherapy 525 ä, scorpion stitch 7 heart stroke …
