The ASTM A217 WC9 Check Valve, manufactured to meet API 6D and BS 1868 standards, is a robust swing check valve designed for heavy-duty applications. This 10-inch (DN250) valve features a durable WC9 carbon steel body and Trim 5 components, ensuring long-lasting performance and reliability. With a pressure rating of Class 900 LB and PN150, it is suitable for high-pressure systems. The valve is equipped with RTJ flanged ends for secure and leak-free connections.
Product Name: ASTM A217 WC9 Swing Check Valve
Type: Swing Check Valve
Design Standard: API 6D, BS 1868
Body Material: ASTM A217 WC9
Trim Material: Trim 5
Size: 10 Inch, DN250
Pressure: Class 900 LB, PN150
End Connection: RTJ Flanged
Face to Face Standard: ASME B16.10
Test & Inspection Standard: API 598
Certificates: TA-Luft, ISO 15848-1, API 622, ect
Product Range
Body Materials: ASTM A216 WCB, WCC, A217 WC6, WC9, A351 CF3, CF8, A352 LCC, LCB, etc
Gasket & Packing Material: Graphite, PTFE
Size Range: 2-24 Inch, DN50-DN600
Pressure Range: Class 150-2500 LB, PN16-PN420
End Connection: RF, RTJ, BW
Temperature Range: -29°C to 429°C
Medium: Water, Oil, Gas, etc
The packing used in cast steel valves is the M800 series graphite packing,
with a graphite carbon content exceeding 99% and a sulfur content below 50 PPM.
The dynamic leakage rate, as tested according to API 622, is less than 12 PPM.
The static leakage rate is below 6 PPM.
All the gaskets used are low-emission gaskets certified by TÜV Rheinland TA-LUFT
ISO 15848-1 Valve Tested Case Example: NPS4 Class 300 Valve

4-inch 300 LB Globe Valve: ISO 15848-1 Test at Ambient Temperature for 205 Cycles, High Leakage Rate of 1.8×10−7, Maximum Body Leakage at 11.6 PPMV
API 624 Valve Test Case 1: 12-inch 150 LB Gate Valve


12-inch 150 LB Gate Valve
API 624 Test
Maximum Packing Leakage: 46.7 PPMv
API 624 Valve Test Case 2: 12-inch 600 LB Gate Valve


12-inch 600 LB Gate Valve
API 624 Testing
Maximum packing leakage: 32 ppmv
Fire Test Certification of Valve Packing

Fire Test Report and Certification for 4-inch Gate Valve with M800 Packing
ISO 15848-1 Valve Tested Case Example: NPS12 Class 300 Valve

12-inch 300 LB Gate Valve
ISO 15848-1 Test at Ambient Temperature for 205 Cycles
High Leakage Rate: 1.6×10−6
Maximum Body Leakage: 7.7 PPMV
The API 624 test for the API 600 WCB 12-inch 150 LB gate valve utilized an M600 low-emission graphite packing set.
The ISO 15848-2 Type A test for the API 600 WCB 2-inch 150 LB gate valve, which requires emissions below 50 PPMV, was conducted using an M600 low-emission graphite packing set.