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DIN check valve is a valve which automatically opens and closes valve disc depending on the flow of the medium itself, and it is also used to prevent medium from flowing backwards. It is also called single direction valve, no-return valve and back pressure valve. It is a kind of automatic valve,Main function of check valve is to prevent the reverse flow of the medium, prevent the reversal of the pump and drive motor, and the discharge of the container medium.
DIN Check Valve range:
Production Size:2”-24” DN50-DN600mm
Pressure range:PN10,PN16
DIN Check Valve Standard:
Design Standard:DIN
Face to Face:DIN3202 F6
Flange Standard:EN 1092-2
Testing Standard:ISO 5208
DIN Check Valve main material of parts:
Body:EN-GJL-250
Bonnet:EN-GJL-250
Stem:2Cr13/SS304/SS316/Carbon Steel
Stem Nut:brass
Disc:EN-GJL-250
Seat:Bronze,Brass
Hanger:EN-GJS-5007
Hanger pin:Stainless Steel
Cover Gasket:Graphite
Manufacturer Background
This exceptional valve is brought to you by Chengxin Valve Co., Ltd., a well - established manufacturer since 1993. Our company specializes in producing a wide range of valves, including Gate valves, Butterfly valves, Globe valves, and Check valves. We have overseas offices, which enables us to better serve our international customers. With an export share ranging from US$1 Million - US$1.5 Million, we have a significant presence in major markets such as South America, Eastern Europe, Africa, and the Mid East. Our production is certified under ISO9001, ISO14000, and OHSAS18001, ensuring that our products meet the highest international standards of quality, environmental management, and occupational health and safety.
Product Structure and DesignCast Iron Construction
The valve is made of durable cast iron. Cast iron is renowned for its strength and resistance to wear and tear. It can withstand high - pressure environments commonly found in industrial and water applications. This material also offers excellent corrosion resistance, which is crucial when dealing with water or other corrosive substances. The robust cast - iron body ensures a long service life, reducing the need for frequent replacements and thus saving costs in the long run.
Operational ModesManual, Worm, and Electric Operation
We offer three different operation modes to suit various user requirements.
Manual Operation: The manual operation mode provides a simple and direct way to control the valve. It is ideal for applications where the valve needs to be adjusted infrequently or in areas where power supply is not available. The manual handle allows for easy opening and closing of the valve, giving the operator full control.
Worm Operation: The worm - gear operation mode offers more precise control. It is suitable for applications where fine - tuning of the valve position is required. The worm - gear mechanism provides a mechanical advantage, making it easier to operate the valve, especially in high - pressure situations.
Electric Operation: For automated systems, the electric operation mode is the perfect choice. It allows for remote control and integration with control systems. The electric actuator can be programmed to open and close the valve at specific times or in response to certain conditions, enhancing the overall efficiency and automation of the process.
Seat OptionsNBR and EPDM Seat
We provide two seat options: NBR (Nitrile Butadiene Rubber) and EPDM (Ethylene Propylene Diene Monomer).
NBR Seat: NBR seats are known for their excellent oil and fuel resistance. They are suitable for applications where the valve comes into contact with petroleum - based fluids. NBR also offers good abrasion resistance, ensuring a tight seal even under high - flow conditions.
EPDM Seat: EPDM seats are highly resistant to weathering, ozone, and UV radiation. They are ideal for water applications, especially in outdoor environments. EPDM also has good chemical resistance, making it suitable for use with a wide range of chemicals and water - based solutions.
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