Product Description
Technical Specifications
| Size Range | 2" – 36" (DN50 – DN900) |
|---|---|
| Pressure Class | ASME Class 150 / 300 / 600 |
| Accessory | External compression spring, lever and counterweight |
| Application | Adjustable opening pressure, spring assisted closing |
| Body Material | Cast Iron, WCB, CF8M |
| Standard | API 594, API 598 |
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 · Check Valve
JSZHUCAI® SA-40A Check Valve (Spring, Lever & Weight)
Check valve with external compression spring, lever and counterweight for combined adjustable closing.
Key Specifications
- material
- Carbon Steel · Stainless Steel 316
- pressure
- Class 150 · Class 300
- medium
- Water · Oil
- connection
- Wafer · Flanged
Request a Quotation
Tell us your requirements and we will reply within 24 hours on business days.