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Butterfly Valve - Cast Iron, International, Wafer Type
This is a manual butterfly valve designed for industrial and commercial applications. It is available in both lug and wafer types, with sizes ranging from DN50 to DN300 (2" to 12"). The valve body is made of ductile iron or cast iron (GG25 or GGG40), offering excellent durability and performance.
**Key Features:**
- **Model No.:** DSBV-303
- **Working Temperature:** Medium temperature (120°C < T < 450°C)
- **Seal Material:** Soft sealed (NBR or EPDM)
- **Valve Body:** Cast iron or ductile iron
- **Application:** Suitable for industrial, water, and household use
- **Size Range:** 2" to 12"
- **Type:** Manual Butterfly Valve
- **Testing Standard:** Conforms to API 598
- **Pressure Rating:** 200 Psi
- **Trademark:** DS
- **Quality Certification:** CE and ISO 9001
- **Origin:** Laizhou, Yantai City, Shandong Province, China
- **HS Code:** 8481804090
**Technical Specifications:**
- **Working Pressure:** 1.0 MPa / 1.6 MPa
- **Working Temperature Range:** NBR: 0°C to 80°C; EPDM: -10°C to 120°C
- **Face-to-Face Dimension:** DIN 3202 K1
- **Flange Standards:** DIN 2501 PN10/16, BS4504 PN10/16, BS10 TABLE D/E, JIS 2220 10K/16K, ANSI 125/150
- **Medium Compatibility:** Fresh water, seawater, food stuffs, various oils
**Component List:**
| No. | Part | Material |
|-----|-------------|-------------------|
| 1 | Circlip | 65MN |
| 2 | Lock Piece | Steel |
| 3 | Sleeve | PTFE |
| 4 | O-ring | NBR |
| 5 | Shaft | SS304 |
| 6 | Body | Cast Iron GG25 or Ductile Iron GGG40 |
| 7 | Seat Ring | NBR or EPDM |
| 8 | Disc | GGG40, SS304 or SS316 |
| 9 | Shaft | SS304 |
| 10 | Screw | Steel |
This butterfly valve is ideal for HVAC systems, hot and cold potable water, and other similar applications where reliable sealing and pressure control are essential.
**Factory Photos:**
[Image: Wafer Butterfly Valve with Worm Gear Manufacturer]
[Image: Product Packaging]
[Image: Additional Packaging View]
Whether you're looking for a high-quality, cost-effective solution for your industrial needs, this butterfly valve is a reliable choice that meets international standards and offers long-term performance.