undercarriage parts,excavator undercarriage parts,bulldozer undercarriage parts,mining undercarriage Jiangsu Origin Machinery Co., Ltd , https://www.originmachinery.com
Ductile Iron Flap Wafer Check Valve
Silent check valve designed for water supply and drainage systems. This compact, lightweight, and low-resistance valve is ideal for industrial applications, especially in water and fluid pipelines. It ensures one-way flow of the medium and prevents backflow, offering a long service life and high resistance to fatigue.
This flanged silent check valve is suitable for various environments and can be installed in any position. Available in sizes ranging from 2" to 14", it features a durable body made of cast iron or ductile iron. The valve is certified with ISO9001 and CE standards, ensuring quality and safety compliance.
Key Features:
- Silent shut-off mechanism
- Can be installed in any orientation
- Sizes: 2" through 14"
- Body materials: Cast Iron GG25 or Ductile Iron GGG40
- Sealing materials: PTFE, NBR, EPDM, VITON
- Spring material: Stainless steel
- Disc material: Ductile Iron GGG40 or Brass
Working Pressure: 1.0 MPa / 1.6 MPa
Working Temperature: NBR – 0°C to 80°C; EPDM – 10°C to 120°C
Flanges conform to EN1092-2 PN10/PN16
Tested according to DIN3230 and API598
The valve is suitable for fresh water, seawater, and various types of oil. It is widely used in industrial piping systems where reliable and quiet flow control is required.
**Material Specifications:**
| Item | Description | Material (Optional) |
|------|-------------|---------------------|
| 1 | Seat | Ductile Iron GGG40 |
| 2 | Body | Cast Iron GG25 / Ductile Iron GGG40 |
| 3 | Bushing | PTFE |
| 4 | Spring | Stainless Steel |
| 5 | O-Ring | NBR / EPDM / VITON |
| 6 | Disc | Ductile Iron GGG40 / Brass |
This product is manufactured in Yantai, Shandong, China, and is classified under HS Code 84811000. With a model number of DDCV-001, it follows the DIN standard and is suitable for DN50 to DN300 pipe sizes. It is ideal for both industrial and general water usage applications.