Larger seat angles reduce the disc travel, resulting in quick closing, thus minimizing the possibility of water hammer. 0000006946 00000 n Click here to learn about Other Types of Valve, Thank You for subscribing to Hardhat Engineer. Please register in newsletter to get JAFAR news. Italian Office: Via A.Moro, 61 San Donato M.se Italia. A basic swing type valve consists of a valve body, a bonnet, and a disk that is connected to a hinge. 0000031035 00000 n In this standard, water in the systems is classified according to the level of risk to human health. Parker's C Series check valves are designed for uni-directional flow control of critical fluids and gases. Kadyego Str. They can be threaded PN10 and flanged PN16. 0000023153 00000 n If you continue to use this site we assume that you are happy with it. The dome-shaped disc floats in the flow and fluid flow on both the bottom and top of the disk surfaces. 0000006859 00000 n Usually, the seat angles are in the range of 5 to 7 degrees. For the current preview session, this page lists the search rules that have been triggered by your search. Email: sale.it@jafar.com.pl, PRODUCTS: It was set up in 1953 as a local metalic plant. To help prevent improper installation, all check valves have a flow arrow label with the valve’s crack pressure rating permanently attached. The availability of a wide range of seat materials provide the system designer a variety of uses over a standard, general purpose check valve. Split disc check valves. 0000053097 00000 n The anti-pollution check valves close early under the action of spring force when the downstream pressure tends to be equal to the upstream value after the flow has stopped. 0000028569 00000 n This will ensure that the valve allows fluid flow only when there is enough pressure in the flow direction. A vertical seat has a 0-degree angle. Parker Conflow’s Code 103 is a pressure check valve range that enables individual checks of hydraulic pressure on each leg and ram on powered roof supports of coal faces. Your session is about to timeout due to inactivity. ISO 14001 Environmental Certification. 0000063933 00000 n 0000008483 00000 n It is 80 to 90% lighter than the conventional full body check valve. Most common types of Check valves are. 0000027126 00000 n 0000018758 00000 n Your Ebook will Open in New Tab. 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. Its lightweight and compact construction make it a preferable choice when space and convenience are important. POLAND - VAT n. PL 6850010620, Headquater: ul. Also known as silent check valves, vacuum breakers and low-pressure relief valves Check-All Valve is an experienced check valve manufacturing company providing a wide variety of valve products. 0000043170 00000 n There is no better alternative. 12 38-200 Jaslo We use cookies to make sure that you have the best experience on our site. These check valves provide   uni-directional flow control of fluids and gases. 0000036095 00000 n The only function of a Non-return valve is to prevent backflow. Check Valves . Hydraulic Gate 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. 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. 0000009878 00000 n It is also known as a non-return valve or NRV. 0000027242 00000 n 0000003955 00000 n To give you the best possible experience, this site uses cookies. Kadyiego 12 - 38-200 Jasło – Polonia 0000060753 00000 n 0000005815 00000 n is one of the leading producers of sanitary fittings in Poland and on the World. 0000007445 00000 n JAFAR GmbH ist zustandig fur die verkauf von Absperrschieber und Qualitätsarmaturen fur die Versorgung (Wasser & Gas), Entsorgung (Abwasser) und Brandschutz. The design of the tilting disk enables the valve to open fully and remain steady at lower flow rates and close quickly when the forwarding flow stop. Bitte beachten Sie unsere Datenblätter für die entsprechenden Zertifikate und Prüfnorm pro Produkt! The pressure of the fluid passing through a pipeline opens the valve, while any reversal of flow will close the valve. These check valves handle uni-directional flow control of critical fluids and gases, especially in high temperature or “sticky” applications. 0000029008 00000 n In the image below you can see the parts of the valve. All parts of the anti-pollution check valve are protected against corrosion. The anti-pollution check (or non-return) valve is used as water protection to prevent the return of polluted water to the water supply. Please visit our Quality and Service Sector to learn more. Check Valves . It can either be used as a check valve or as an isolation (stop) valve like a globe valve. To satisfy your needs, specify Check Valves from CRANE Energy Flow Solutions® — the worldwide leader of valves … This item has been successfully added to your list. These valves provide superior leak-tight characteristics to those of swing check valves. 0000028933 00000 n Ball Check Valves in Grey or Ductile Cast Iron 0000036478 00000 n Call (515) 224-2301 for more information. The reference standard is EN 1717: 2000. Commonly used in piping systems that used globe valves as a flow control valve. However, when needed, the stem is used to holds the free-floating disc against the valve seat, just as a globe valve. Our company They can be threaded PN10 and flanged PN16. The anti-pollution check valve has a drain for controlled closure, test water, and an additional drain for the dehydration system. They can be mounted vertically or horizontally. 0000001934 00000 n 0000006149 00000 n 7020 Air release valve double orifice. trailer <]/Prev 1454464>> startxref 0 %%EOF 173 0 obj <>stream Currently, most of the production takes place in two plants located in Skołyszyn and Przysieki. Um unsere Website in bester Weise zu erfahren, aktivieren Sie Javascript in Ihrem Browser. Ball check valve see swing check valve flanged 6524 see. Parker’s MAC Series (Ball and O-Ring) Check Valves provide unidirectional flow and shut-off for liquids and gases in medium pressure systems up to 15,000 PSI. New. 0000002648 00000 n 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. Fabryka Armatur JAFAR S.A. The angle between the seat and the vertical plane is known as the seating angle and varies from 0 to 45 degrees. Visit us on our stand - Hall 5, Stand 70 , we receive you with pleasure! 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. 0000055124 00000 n 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. JAFAR Valves Certifications. Um unsere Website in bester Weise zu erfahren, aktivieren Sie Javascript in Ihrem Browser. Usually installed in combination with gate valves because they provide relatively free flow combinations. However, being smaller makes it lighter and, therefore, is more cost efficient to purchase, install and maintain. They are used to protect against polluting liquids in drinking water systems in the event of backflow. Contacts Privacy Policy, Application: polluting liquid protection, drinkable water systems, Installation: vertical or horizontal position, Grey and Ductile cast iron Knife Gate Valves, Metal Seated Gate Valves in grey or ductile cast iron, Ball check valves in grey or ductile cast iron, Ask our valve experts for a free quotation, Ball Check Valves in Grey or Ductile Cast Iron. Currently, most of the production takes place in two plants located in Skołyszyn and Przysieki.

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