(API 624 Additional High Temperature Version)
Key Specifications / Features
The China ASTM A995 5A Swing Check Valve Factory offers high-quality swing check valves designed to meet industry standards such as API 6D, BS 1868, and ASME B16.34. These valves feature a duplex stainless steel body, ensuring durability and reliability in demanding environments. Available in a 6-inch size (DN150), they are rated for Class 1500 LB and PN250 pressures. The valves are equipped with RTJ flanged ends for seamless integration into existing systems.
- Model No.: MV-20250708-CSCV-01
- Hits: 8
- Categories: Cast Steel Check Valve
- Tags: ASTM A995 5A Check Valve, Swing Check Valve, 6 Inch Check Valve
Detail Information
Product Name: ASTM A995 5A Swing Check Valve
Type: Swing Check Valve
Design Standard: API 6D, BS 1868
Body Material: ASTM A995 5A
Size: 6 Inch, DN150
Pressure: Class 1500 LB, PN250
End Connection: RTJ Flanged
Face to Face Standard: ASME B16.10
Test & Inspection Standard: API 598
Low Fugitive Emission Certificates: TA-Luft, ISO 15848-1, API 622, ect
Product Range
Body Materials:
Carbon Steel: ASTM A216 WCB, WCC
Stainless Steel: A351 CF3, CF8, CF3M, CF8M, etc
Duplex Steel: ASTM A995 4A, 5A, 6A
Gasket & Packing Material: Graphite, PTFE
Size Range: 2-24 Inch, DN50-DN600
Pressure Range: Class 150-2500 LB, PN16-PN420
End Connection: Flanged (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.
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