(API 624 Additional High Temperature Version)
Key Specifications / Features
The API 6D Swing Check Valve is designed for reliable one-way flow control in industrial systems. Manufactured to BS 1868 standards, it features a durable ASTM A351 CF8M stainless steel body for superior corrosion resistance. With a 10-inch size (DN250), Class 150 LB pressure rating, and PN20, this valve is built for dependable performance under moderate pressure conditions. It offers low leakage, a bolted bonnet for easy maintenance, and Raised Face (RF) ends for secure installation.
- Model no.: MV-20250409-CSCV-02
- Hits: 0
- Categories: Cast Steel Check Valve
- Tags: ASTM A351 CF8M Check Valve, API 6D Check Valve, Swing Check Valve
Detail Information
Product Name: API 6D Swing Check Valve
Feature: Bolted Bonnet
Design Standard: API 6D, BS 1868
Body Material: ASTM A351 CF8M
Size: 10 Inch, DN250
Pressure: Class 150 LB, PN20
End Connection: RF Flanged
Product Range
Design Standards: API 6D, BS 1868
Pressure & Temperature Standard: ASME B16.34
Flange Standard: ASME B16.5
Face to Face Standard: ASME B16.10
Testing Standard: API 598
Working Temperature: -20°C to 180°C
Material: ASTM A216 WCB, A351 CF8, CF8M
Size: DN15-DN300, 1/2-12 Inch
Working Pressure: Class 150-900 LB, PN20-PN150
Industries: Petroleum, Chemical, Natural Gas, Biochemical, Pharmaceutical, Environmental Protection, New Energy
Features
Swing Type Disc
Investment Casting
Bolted Bonnet or Pressure Seal Bonnet
Full port or Conventional Port
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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