**Product Specifications:** - **Model No.:** RSCV - **Flow Direction:** Unidirectional - **Standard:** DIN - **Application:** Industrial Water Systems - **Product Name:** Rubber Flap Check Valve - **Body Material:** GGG40 / GGG45 / GGG50 - **Disc Material:** D.I. with EPDM Coating - **Shaft Material:** SS420 / SS431 - **Size Range:** DN50 to DN600 - **Seal Material:** NBR / EPDM - **Coating:** Epoxy Coated to 300 Microns - **Connection Type:** Flanged (BS 4504) - **Pressure Rating:** PN10 / PN16 - **Actuation:** Lever and Weight - **Trademark:** WALTER / No Brand - **Packaging:** Bubble Bags & Wooden Case - **Origin:** Suzhou, Jiangsu, China - **HS Code:** 8481300000 --- **Product Description:** WALTER-FSV Company offers a wide range of high-quality check valves, including the **Rubber Flap Check Valve**, designed for reliable performance in industrial water systems. This automatic valve opens under fluid pressure and closes when flow reverses, ensuring smooth operation and preventing backflow. Key features include: - **Body/Bonnet:** Made from GGG40/50 cast iron, offering excellent strength and durability. - **Stem:** Constructed from SS420 or SS431 stainless steel for corrosion resistance. - **Bolts/Nuts:** Crafted from SS304 stainless steel for long-lasting performance. - **Disc:** Composed of GGG40/50 cast iron with an EPDM coating for enhanced sealing and wear resistance. - **Coating:** Internal and external epoxy coating with a thickness of over 300 microns, providing protection against corrosion and abrasion. - **Flanges:** Designed according to BS 4504 and ISO 7005 standards, with face-to-face dimensions compliant with BS 5153 and DIN 3352. - **Working Pressure:** Rated for PN10 and PN16, suitable for a wide range of applications. - **Size Range:** Available in sizes from 1" to 24", making it ideal for both small and large-scale installations. This **Rubber Flap Check Valve** is specifically engineered to reduce water hammer effects, ensuring stable and safe operation in critical systems. The design incorporates advanced engineering principles to deliver consistent performance and minimal maintenance. We also offer **OEM services** for various types of check valves, including **Double Flange Check Valves, Swing Check Valves, Silent Check Valves, and Butterfly Check Valves**, tailored to meet specific customer requirements. Whether you need a standard model or a custom solution, WALTER-FSV provides reliable, cost-effective, and high-performance check valves for industrial use. *For more details or to place an order, contact us today.*

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