Cast carbon, stainless steel swing check valves to api 600, boted bonnet stellite hardfaced seat. Forged steel valves zenith supply company velan valve. Use ns for special nace trim and specify details on order. Facetoface as per api 6d or velan standard end connections rf, rtj as per b16. Cast steel gate, globe and check valves with industryleading emissions, shutoff and repairability performance. Velan forged steel gate, globe and check valves have been proven in. Today velans comprehensive range of api 602 gate, globe, check. Velan valve 310c 316l stainless steel 1way flow outside stem. At velan abv our focus is to continuously improve our skills and optimize our resources, in the design and production of valves, actuators, and control systems with a commitment to meet or exceed our.
Swing check, bolted bonnet ff flgff 8m 316cf8m 9 monel e extended bonnet ckw swing check, welded bonnet ww we x we 8c 304sscf8 10 316ss g manual gear ckp swing check, pressure. Products cast steel bolted bonnet valves swing check. Installation, operation and maintenance manual valve repair. Conventional port opening, piston, ball, or swing check. Pressure seal check valves installed in a nuclear power facility. Robust onepiece construction to withstand the severe shock of check valve service. E m i s s i onva cast steel valves w l e on gate, globe. Velan forged steel gate, globe and check valves have been proven in critical service applications for over 50 years. A swing check valve is mounted with a disc that swings on a hinge or shaft. Velan valve figure 0114c cast carbon steel flanged check valve. Carbon steel gate valve asme class 600, used for boiler feed water installation at a hydrogen plant in texas. Wafer swing check valves for connection between flanges pn 10. Velan, however, has provided nine testable check valves in sizes of 6, 12 and 14 inch diameters which will be used in the hpcs, lpcs, rcic, and rhr seismic category i piping systems.
It is illegal to install products that are not lead free in accordance with us federal or other. This item is to be installed by professional or qualified individuals and by purchasing this item you agree to do so. Manufacturing north america manufacturing europe head office montreal, canada velan inc. Scv dual plate check valve design naturally reduces fluid drag allowing easy opening and fast closure with minimal hammering. Hardfaced with cr, cocr alloy, ss 316, or monel, ground and lapped. Model of surface roughness globe valves conical seat. The disc swings off the seat to allow forward flow and when the flow is stopped, the disc swings back onto the seat to block reverse flow. Yom may specify valve size of connection separately or as part b ot the figure number. Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, tripleoffset butterfly, knife gate, highly engineered severe service valves, and steam traps offering superior performance across all major industrial applications. Design weights for the testable check valves are more than double the weights of. Velan is regarded as one of the worlds leading manufacturers of steel gate, globe and check valves, with more than 10 manufacturing plants worldwide.
From the most common application to the most severe, velan has a. The testable check valves are a type of swing check with an air operator. Velan a105n gate valve no box for sale online ebay. Hardfaced with cr, cocr alloy, ss 316, or monel, ground and lapped to a mirror finish. Conventional swing check valve flow velan proquip check valve. Velan s product lines are manufactured in thirteen specialized manufacturing plants, including six in canada and u. Sizes nps 2 6 dn 50 150 may have solid ca 15 cr disc. Api6a api6d a check valve design only allows fluid to flow one direction. Velan cast steel valves gate valves in service for a boiler feed installation. Accurately machined, fullyenclosed gasket gasket materials on page 3. Size g part of 3ef0064csx valve size is shown separately material 01 12 material 14 23 28. Velan s comprehensive line of cast steel gate globe and check valves features leading edge design, engineering and manufacturing technology. Wafer swing check valves for connection between flanges pn. For potentially severe applications, velan proquip offers a high torsion spring to ensure the valve closes as quickly as possible.
One of the most comprehensive valve product lines available from any manufacturer. A renewable seat extends the life of the valve by allowing all internal parts and seals to be replaced with the valve body still installed in the pipeline. Tom wheatley swing check valves are available with either an integral seat or renewable seat. Api 594 cast steel swing check valve quick sheet qs velan. A geothermal power plant valve installation for sour gas service. Velan company profile velan is one of the worlds leading manufacturers of industrial steel valves, supplying gate, globe, check, ball, butterfly and knife gate valves for critical applications in the chemical, petrochemical, oil and gas, fossil and nuclear power, cogeneration, pulp and paper and cryogenic industries. The wafer swing check valves are easy to be installed, because the valve opens in case of any minimum pressure increase, and closes at any minimum pressure decrease. Velan is regarded as one of the worlds leading manufacturers of steel gate, globe and check valves, with more than 10 manufacturing plants. Base material is either the same as body or solid trim at manufacturers option. Convenience of operation and simple inline maintenance are essential features of our design.
It is illegal to install products that are not lead free in accordance with us federal or other applicable law in potable water systems anticipated for human consumption. Kfs diversity in check valve configurations and materials of construction provide opportunities to service customers in many different markets. E m i s s i onva cast steel valves w l e on gate, globe, and. If the valve has a position indicator, check the calibration and tune to your systems sensitivity as required.
The weight of the disc and the return flow has an impact on the shutoff characteristics of the valve. Cast stainless steel valves gate, globe, and check velan. A renewable seat extends the life of the valve by allowing all internal parts and seals to be replaced with. Api 602 forged steel check valve quick sheet qs velan. Features and benefits all basic design features of velan cast steel swing check valves are adapted. Generally, all pressure must be relieved from both sides of the valve before the actuator is removed. Cast steel gate, globe, check, and ball valves forged. Product catalogs small forged steel gate, globe, and check valves document code.
Velan valve figure 0114c cast carbon steel flanged check. The model 78 swing check does not require any regular maintenance. Nace service valves are supplied with bolting with maximum hardness of rc. Swing check valves installation instructions models 78 flomatic corporation flomatic corp, 15 pruyns island, glens falls, new york 12801 phone. Velan cast steel swing check valve control specialties. Velan cryogenic gate, globe, check, ball and butterfly valves. Our valves meet the most stringent national and international standards for fugitive emissions. The company, founded in 1955 and acquired by velan inc. The disc swings off the seat to allow forward flow and when the flow is stopped, the disc swings back. The globe valve, on the other hand, opens and closes incrementally and is used to modulate flow.
The disc in question was delivered in 1997 and installed in 1999. Swing check valves ansi swing check valves class 150 dimensions and weights nom size in 2 21. These valves operate in one of two positions, open or closed, and are not recommended for throttling. Velan design and built top quality products in high pressure with an emphasis on weight and space savings, low emissions, safety, ontime delivery, easy in installation, low maintenance and long and reliable service life. It is generally used in conjunction with other types of valves and will close automatically when line pressure is lost, thus it has no handle to turn on and off. Our dual plate check design weighs a fraction of the fullbodied swing or. O velan metalseated ball valves can be equipped with a variety of manual gear, electric motor, and hydraulic or pneumatic actuators. We have 1,400 employees, 75% of whom are located in our north american operations. Velan company profile velan is one of the worlds leading manufacturers of industrial steel valves, supplying gate, globe, check, ball, butterfly and knife gate valves for critical applications in the. Size g part of 3ef0064csx valve size is shown separately material 01 12 material 14 23 28 stainless steel, c8c 20 stainless steel. To see availability for this product, create an account. Sizes nps 26 dn 50150 may have solid ca 15 cr disc. Velans comprehensive line of cast steel gate globe and check valves features leading edge. Sealing materials are selected for the valve service conditions.
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