The ASTM A352 LCB Check Valve Supplier offers a range of BS 1868 swing check valves designed for industrial applications. These valves feature a low-temperature carbon steel body, ensuring durability and reliability in harsh conditions. Available in an 8-inch size with a DN200 designation, they are rated for Class 150 LB pressure and PN20, equipped with flanged ends for secure connections. The low-emission design minimizes environmental impact.
Product Name: ASTM A352 LCB Swing Check Valve
Type: Swing Check Valve
Design Standard: BS 1868
Body Material: ASTM A352 LCB
Size: 8 Inch, DN200
Pressure: Class 150 LB, PN20
End Connection: Flanged
Face to Face Standard: ASME B16.10, MFG
Test & Inspection Standard: API 598
Certificates: TA-Luft, ISO 15848-1, API 622, ect
Product Range
Body Materials: Cast Carbon Steel, Stainless Steel, Alloy Steel, ect.
Gasket & Packing Material: Graphite/PTFE
Size Range: 2-20 Inch, DN50-DN500
Pressure Range: Class 150-2500 LB, PN16-PN420
End Connection: BW, Flanged
Temperature Range: -29°C to 300°C
Medium: Water, Oil & Gas
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.