Product Description
Technical Specifications
| Size Range | 1" – 20" (DN25 – DN500) |
|---|---|
| Pressure Class | 150 psi / 10 bar (wafer), 150 psi CWP (lug) |
| Body Type | Wafer, Lug |
| Body Material | Cast Iron, Ductile Iron, CF8, CF8M, Aluminum |
| Seat Material | EPDM, Buna-N, Viton™, White Nitrile |
| Disc Material | Aluminum Bronze, CF8, CF8M, Ductile Iron Nylon |
| Temperature | -29°C to 149°C (-20°F to 300°F) |
| End Connection | Wafer, Lug |
| Standard | MSS SP-67, API 609, MSS SP-25 |
Applications
Frequently Asked Questions
What is the minimum order quantity for this product?
For standard specifications we accept trial orders starting from a small quantity. For customised production the MOQ depends on the specification — please contact our sales team for details.
How long is the production lead time?
Standard items are typically ready within 15–25 working days after order confirmation. Customised products may require additional time, which we will confirm before you place the order.
Do you provide technical drawings and certificates?
Yes. We can provide dimensional drawings, material certificates and third-party inspection reports on request.
What are your shipping terms?
We normally ship on FOB, CIF or EXW terms. Please tell us your destination port and we will quote the most suitable option.
Industrial Valves · Butterfly Valve
Series 20/21 Resilient Seated Butterfly Valve
Wafer and lug style resilient seated butterfly valve, 1"–20", bubble-tight shut-off for water, air and general service.
Key Specifications
- material
- Cast Iron · Ductile Iron · Stainless Steel 316
- pressure
- PN16 · Class 150
- medium
- Water · Air · Oil
- connection
- Wafer · Lug
Request a Quotation
Tell us your requirements and we will reply within 24 hours on business days.