Agricultural Machinery Parts,Ac Steering Knuckle Assembly,Agricultural Machinery Assembly,Agricultural Machinery Axle Dandong Haichuan Machinery Co., Ltd. , https://www.ddhccasting.com
Cast/ductile iron swing check valves are automatic devices that open under fluid pressure and close when the flow reverses. The design takes into account water hammer effects, ensuring a reliable and stable operation. These valves are widely used in industrial water systems and are ideal for applications where backflow prevention is essential.
- **Flow Direction:** Unidirectional
- **Standard:** DIN
- **Application:** Industrial Water Usage
- **Model No.:** H44X
- **Disc Material:** GGG40/50 with D.I + EPDM coating
- **Coating:** Epoxy coating on both internal and external surfaces, thickness above 300 microns
- **Pressure Rating:** PN10/16
- **Body Material:** GGG40/45/50
- **Shaft Material:** SS420/431
- **Seal Material:** NBR/EPDM
- **Trademark:** WALTER or No Brand
- **Packaging:** Bubble bags and wooden cases
- **Size Range:** DN50 to DN600
- **Origin:** Suzhou, Jiangsu
- **HS Code:** 8481300000
The valve body and bonnet are made from high-quality cast iron, while the stem is constructed from stainless steel for enhanced durability. Bolts and nuts are made of SS304, ensuring strong and long-lasting performance. The disc is coated with EPDM to provide excellent sealing properties and resistance to wear.
The flanges are designed according to BS4504 and ISO 7005 standards, with face-to-face dimensions following BS 5153 and DIN 3352. This ensures compatibility with various piping systems and ease of installation. The working pressure range covers PN10 to PN16, making it suitable for a wide range of industrial applications.
Available in sizes from 1" up to 24", these valves are ideal for use in water treatment plants, cooling systems, and other industrial environments. Whether you need a non-return flap valve or a ball check valve, this product offers a reliable and cost-effective solution.
[Image: Iron Flange Ball Check Valve / Non-Return Flap Valve](http://i.bosscdn.com/uploads/b6/b3/ba/0e12d48773b2c462e4a21bd717.jpg)
[Image: Iron Flange Ball Check Valve / Non-Return Flap Valve](http://i.bosscdn.com/uploads/35/82/1c/f5787e2c185a3e97b36ec34b7f.jpg)
July 30, 2025