The ASTM B148 C95800 Swing Check Valve Manufacturer produces high-quality swing check valves with an aluminum bronze body and trim, ensuring durability and corrosion resistance. These valves comply with API 6D and BS 1868 standards, offering reliability and performance. Available in a 2-inch (DN50) size, they have a Class 150 LB pressure rating and a PN20 designation, making them suitable for a range of industrial applications. The valves feature RF (raised face) flanged ends and a bonnet design, facilitating easy installation and maintenance.
Product Name: ASTM B148 C95800 Swing Check Valve
Type: Swing Check Valve
Design Standard: API 6D, BS 1868
Body Material: ASTM B148 C95800, Aluminum Bronze
Trim Material: ASTM B148 C95800
Size: 2 Inch, DN50
Pressure: Class 150 LB, PN20
End Connection: RF 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, A351 CF3, CF8, B148 C95800, 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.