Product Introduction
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DIN F5 resilient seated gate valve is a type of gate valve that conforms to the German DIN standard. DIN F5 refers to the valve&#;s face-to-face dimension of 200mm. The valve is designed with a resilient seat, which is typically made of materials such as rubber or EPDM.
The resilient seat of the valve provides a tight seal, preventing leaks and minimizing the risk of contamination. The valve&#;s gate is designed to move up and down to control the flow of fluids in a pipeline. When the valve is fully open, the gate is lifted completely out of the flow path, allowing for maximum flow capacity.
DIN F5 resilient seated gate valves are commonly used in water treatment plants, sewage systems, and industrial processes. They are known for their reliability, durability, and ease of use, making them a popular choice for many industries.
Manufacturing and design of the gate valves are performed according to DIN , respectively the new DIN EN . Face to face dimensions of the short pattern wedge gate valves are defined in the industrial standard EN 558-1 Series 14 (previously DIN -F4).
Possible applications include liquid or gaseous non-corrosive and non-abrasive media. The gate valves are suitable for an operating pressure of up to 10 bar, depending on the operating temperature, which is limited to 120°C.
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Our short pattern wedge gate valves are tested for pressure resilience and leakage according to DIN EN / . Due to their design, they are suitable for both flow directions.In accordance to the European Pressure Equipment Directive /68/EU, the gate valves undergo a pressure and leakage test according to EN and EN using water at room temperature. The valve body is tested using 1.5-fold nominal pressure, the valve seal 1.1-fold nominal pressure.
The body of the gate valve is made in grey cast iron GG-25 (new: EN-GJL 250). Other materials like spheroidal cast iron GGG40 / EN-GJS-400-15 are available on request. The seat rings of body and wedge are made of brass. Default stem material is stainless steel 1. / X20Cr13. The stem is sealed by a gland seal, which needs to be checked and re-adjusted after initial operation and during maintenance services. Alternatively, for maintenance-free operation, the stem can be sealed using O-rings. Both O-rings and gland seal are made from NBR or EPDM.
Grey cast iron gate valves are only available with flanged connections, by default according to DIN EN -1 PN10, and sealing faces type B1. On request, our wedge gate valves can be delivered with flanges drilled according to PN6.
Alternatively, the connection flanges can be manufactured according to a different standard, like ASME B16.5, JIS or others. Please contact our sales team for those requests.
Generally, ACI gate valves of the A-KFI series are operated manually using a handwheel, quick closing lever, gearbox or chain wheel. On request, we automate the gate valve for you using electrical actuators (with or without control system), pneumatic or hydraulic actuator. If the gate valve position needs to be controlled, we can install mechanical or inductive limit switches, allowing positional feedback to the main control panel.
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