**Product Specifications**
- **Model NO.:** RSTV CV
- **Flow Direction:** Unidirectional
- **Standard:** GB
- **Application:** Industrial Usage, Water Industrial Usage, Household Usage
- **Working Pressure:** 150lb / 300lb / 600lb / 900lb / 1500lb
- **Material:** SS304 / 316 / 304L / 316L (CF8 / CF8m / CF3 / CF3m), WCB, WCC
- **Applicable Standard:** API 594, API 6D, Standards
- **Working Temperature:** -29°C to 425°C (Customizable)
- **Suitable Medium:** Water, Natural Gas, Oil, and Some Corrosive Liquids
- **Inspection & Testing:** According to API598 / DIN3230
- **Thread Standard:** ISO9001 & CE, TS
- **MOQ:** 10 PCS
- **Warranty:** 18 Months
- **Delivery Time:** 15–20 Days
- **Trademark:** RSTV
- **Transport Package:** Standard Plywood Case
- **Specification:** 2" – 48" (DN50 ~ DN1200)
- **Origin:** Wenzhou, Zhejiang, China
- **HS Code:** 8481804090
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### **Product Description**
**Cast Stainless Steel Non Return Spring Wafer Check Valve**
This check valve is designed for use in industrial and commercial applications where a reliable one-way flow of media is required. It is manufactured according to API 594 standards, with face-to-face dimensions also following the same standard. The pressure and temperature ratings comply with ASME B16.34 specifications, ensuring safe and efficient operation under various conditions.
Available materials include CF8M (SS316), CF8 (SS304), and other stainless steel grades such as DIN 4.4408/4.4308. It is suitable for a wide range of media including water, natural gas, oil, and some corrosive liquids. The working pressure ranges from PN16 to PN40, and the operating temperature range spans from -196°C to 550°C depending on the material used.
The valve undergoes rigorous testing and inspection according to API 598 standards, ensuring high quality and performance. It features a low-pressure drop, excellent tightness, and smooth flow characteristics, making it ideal for demanding environments.
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### **Features**
- Investment casting
- Low pressure drop
- High degree of tightness
- Low friction and smooth flow
- Available seat materials: NBR, EPDM, Viton, Metal
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### **Key Details**
| **Item** | **Details** |
|------------------|-----------------------------------------------------------------------------|
| **Product Name** | Cast Stainless Steel Non Return Spring Wafer Check Valve |
| **Material** | WCB, CF8, CF8M, CF3, CF3M |
| **Size** | 1/2" – 10" (DN15 – DN250) |
| **Certificate** | ISO9001 & CE |
| **Port** | Full Port |
| **Working Pressure** | PN16 – PN40 |
| **Connection Ends** | Wafer |
| **Working Temp.** | -196°C – 550°C |
| **Suitable Medium** | Water, Natural Gas, Oil, Corrosive Liquids |
| **Seal** | Metal |
| **Locking** | Optional |
| **Inspection & Testing** | API598 |
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### **Shipping & Terms**
- **Delivery Time:** 15–20 Days
- **Package:** Standard Export Plywood Case
- **Shipping Port:** Ningbo / Shanghai, China
- **Shipping Terms:** EXW, FOB, CFR, CIF, etc.
- **Payment Terms:** T/T, Western Union, PayPal, etc.
- **Warranty:** 18 Months after leaving the factory
- **Advantage:** OEM/ODM available
- **Other Products:** Flange Ball Valve, Gate Valve, Globe Valve, Butterfly Valve, Y Strainer
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### **Other Products We Manufacture**
1. Sanitary Valves
- Sanitary Butterfly Valves
- Sanitary Check Valves
- Sanitary Ball Valves
- Sanitary Diaphragm Valves
- Sanitary Safety Valves
- Sanitary Control Valves
2. Sanitary Pipe Fittings
- Sanitary Elbow
- Sanitary Tee
- Sanitary Reducer
- Sanitary Cross
- Sanitary Triclamp Ferrule
- Sanitary Cap
- Sanitary Hose Joint
- Sanitary Unions
3. Industry Valves
- Ball Valve
- Globe Valve
- Gate Valve
- Check Valve
- Butterfly Valve
- Pneumatic Ball Valve
- Electric Ball Valve
- Y Strainer
4. Industry Pipe Fittings
- Elbow
- Tee
- Cross
- Cap
- Pipe Hanger
- Hose Joint
- Quick Connector
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### **About Us**
**WENZHOU RST VALVE CO., LTD**
**Address:** No.917, Tianzhong Rd, Yongiang Hi-Tech Park, Wenzhou City, P.R. China
**Mobile:** +86 150 8893 3713
**Fax:** 0086-577-86917828
**Web:** [www.stainlesssteel-valves.com](http://www.stainlesssteel-valves.com)
We specialize in manufacturing high-quality valves and fittings for industrial, commercial, and sanitary applications. Our products are widely used in water treatment, chemical processing, oil and gas, and food and beverage industries. Contact us for custom solutions and competitive pricing.
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