(API 624 Additional High Temperature Version)
Key Specifications / Features
The ASME B16.34 Swing Check Valve is a high-performance, low-emission valve with a robust ASTM A351 CF8M stainless steel body. Precision-engineered through investment casting, it ensures durability and corrosion resistance. With a 2-1/2 inch (DN65) size, Class 150 LB rating, and PN20 compliance, this valve provides reliable, maintenance-free backflow prevention for industrial applications.
- Model no.: MV-20250401-CSCV-01
- Hits: 0
- Categories: Cast Steel Check Valve
- Tags: ASTM A351 CF8M Check Valve, ASME B16.34 Check Valve, Swing Check Valve
Detail Information
Product Name: ASME B16.34 Swing Check Valve
Features: Investment Casting
Design Standard: ASME B16.34
Body Material: ASTM A351 CF8M
Size: 2-1/2 Inch, DN65
Pressure: Class 150 LB, PN20
End Connection: Flanged
Flange Standard: ASME B16.5
Face to Face Standard: ASME B16.10
Testing Standard: API 598
Working Temperature: -20°C to 180°C
Product Range
Material: ASTM A216 WCB + 13Cr, A351 CF8, CF8M
Size: DN15-DN300
Working Pressure:
PN40, Class 300 LB (DN15–DN50)
PN16, Class 150 LB (DN65–DN300)
Industries: Petroleum, Chemical, Natural Gas, Biochemical, Pharmaceutical, Environmental Protection, New Energy
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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