0000009878 00000 n Parker’s Check Valves are designed as a compact, inline check valve. Mit Flexionstabellen der verschiedenen Fälle und Zeiten Aussprache und … The flap of the swing check valve is essentially split and hinged down its centre, such that the two disc plates will only swing in one direction. It is also known as a non-return valve or NRV. By continuing to use the site, or by staying here, you agree to our use of cookies in line with our. However, being smaller makes it lighter and, therefore, is more cost efficient to purchase, install and maintain. 0000008483 00000 n Jafar has been modernising its facilities for over a decade, continuing to invest in state-of-the-art equipment for iron machining iron, water cutting and welding. New. Email: sale.it@jafar.com.pl, PRODUCTS: 0000058479 00000 n Our Foundry 0000005815 00000 n Potable water lines; fire protection systems temperature from 0˚C to +100˚C, Water pressure test according to FM, UL, EN-1074, EN-12266, Datasheet 6252  Grooved RISER Swing Check Valves UL/FM. 0000036095 00000 n Valve catalog - new catalog of fire fittings, Stay up to date with us - Welcome to our social profile on LinkedIN, We invite all our customers to visit our YouTube channel. 0000071915 00000 n Maximum operating temperature 70°C. Kadyiego 12 - 38-200 Jasło – Polonia The tilting disc type valve is designed to overcome some of the weaknesses of conventional swing type valves. This Valve operates when there is flow in the line and get fully closed when there is no flow. Our company Company. Click here to learn about Other Types of Valve, Thank You for subscribing to Hardhat Engineer. Parker Bestobell's cryogenic lift and swing check valves are designed with a loose flange bolted bonnet design that allows for thermal expansion and contraction and eliminates leakage, therefore enhancing safety. Ball check valve see swing check valve flanged 6524 see. Bitte beachten Sie unsere Datenblätter für die entsprechenden Zertifikate und Prüfnorm pro Produkt! Die JAFAR Produkte werden in der hauseigenen Gießerei "JAFAR SA" in Polen (EU) hergestellt seit 1953. Your Ebook will Open in New Tab. 0000028569 00000 n The exact operation will vary depending on the mechanism of the valve. a 12" Double Door Check is 71/ 8 inches in length (a 12" conventional check is 28" in length) resulting in considerable material and labor savings. %PDF-1.5 %���� In this standard, water in the systems is classified according to the level of risk to human health. Check Valves . Your session is about to timeout due to inactivity. The Single Disc Check Valve (Wafer Type Disc Check Valve) consists of four main components: the body, a disc, a star guide and a spring. Frequently used in systems that used butterfly valves. JAFAR Hydrant series; Ball check valves in grey or ductile cast iron; Other JAFAR Valves. Champion Valves Inc. aims to be the brand of choice for meeting the market’s needs for competitively priced, high-quality check valves with prompt, on-time delivery and exceptional customer service. Tel: +39.02.37.92.08.90 The valve that used to prevent backflow in a piping system is known as a check valve. 0000063933 00000 n Our anti-pollution check valves have the PZH hygiene certificate. 0000028247 00000 n 0000007445 00000 n 0000005257 00000 n The anti-pollution check valve installed between the public network and that of the water distribution systems prevents contact between the waters of the two networks and automatically closes when necessary. Swing type and piston lift type valves are commonly used as stop check valves. 0000060753 00000 n Email: info@jafarvalvole.it 0000006946 00000 n 0000003955 00000 n 0000048105 00000 n These check valves utilize integral MPI Tube Fittings for a secure connection. Hydraulic Gate Valves When there is enough pressure in the flow, it lifts the ball upward but when pressure reduced ball roll down and closed the opening. We offer TOM WHEATLEY and WHEATLEY check valves, DOUGLAS CHERO forged-steel gate, globe, and check valves; DOUGLAS ITALIA steam trap and strainer technologies; and NEWCO gate, globe, and check valves that are ideal for a range of standard and critical industry applications. The anti-pollution check valve has a drain for controlled closure, test water, and an additional drain for the dehydration system. 0000045111 00000 n UL-FM MASTERVALVE RISER Grooved Swing Check Valve 300 psi DN 50 - DN 300. It can either be used as a check valve or as an isolation (stop) valve like a globe valve. However, when needed, the stem is used to holds the free-floating disc against the valve seat, just as a globe valve. A check valve, clack valve, non-return valve, reflux valve, retention valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. Parker's high performance non-return valves can offer the user a cold working pressure rating up to 10,000 psi/689 bar maximum, with a cracking pressure of 10 psi maximum. 12 38-200 Jaslo Double Door Check Valves are extremely short in length, i.e. 0000006149 00000 n Stop Check Valve is a combination of a lift check valve and a globe valve. Disk and seat designs can be of metal to metal or metal to composite. 124 0 obj <> endobj xref 124 50 0000000016 00000 n 0000023153 00000 n Skip to the beginning of the images gallery, Datasheet 6252 Grooved RISER Swing Check Valves UL/FM, klicken Sie hier um eine 360-Grad-Ansicht unserer ISO-9001 Produktionsstandorte, Grooved ends according to AWWA C606 & ISO 6182, Epoxy coating minimum 250 microns according to EN ISO 12944-5 and ANSI/AWWA C550, Body made of ductile cast iron EN-GJS 450-10, Produkt marking according to EN 19, EN 1074-1, Strenght test of closing component: 4 x PN. 0000013735 00000 n The correct use of the type EA anti-pollution check valves is regulated by the new European standards for the prevention of pollution caused by backflow. is one of the leading producers of sanitary fittings in Poland and on the World. These valves can be closed with the help of a stem that is not connected to the valve disc during normal operation and make it possible to use these valves as a regular NRV. Air Release Valves . Currently, most of the production takes place in two plants located in Skołyszyn and Przysieki. Lift Check valves are particularly suitable for high-pressure service where the velocity of flow is high.

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