The ASTM A351 CF3 Globe Valve is designed for low leakage performance, compliant with BS 1873 and ASME B16.34 standards. With a 2-inch (DN50) size, Class 150 LB rating, and PN20 pressure rating, it ensures reliable fluid regulation in various applications. The valve features an outside screw and yoke (OS&Y) design with a rising stem, offering smooth operation and easy maintenance, ideal for systems requiring precise flow control with minimal leakage.
Product Name: ASTM A351 CF3 Globe Valve
Features: Investment Casting, Outside Screw & Yoke, Rising Stem
Design Standard: BS 1873, ASME B16.34
Body Material: ASTM A351 CF3
Size: 2 Inch, DN50
Pressure: Class 150 LB, PN20
End: RF Flanged
Operation: Handwheel
Product Range
Material: ASTM A216 WCB, A351 CF8, CF8M, CF3, CF3M
Size: 1/2-28 Inch, DN15–DN700
Working Pressure: Class 150-600 LB, PN20-PN100
Working Temperature: -20°C to 425°C
Industries: Petroleum, Chemical, Natural Gas, Biochemical, Pharmaceutical, Environmental Protection, New Energy
Standard
Design: BS 1873, ASME B16.34
Face to Face: ASME B16.10
Testing: API 598
Flange: ASME B16.5
Socket Weld: ASME B16.11
Butt Weld: ASME B16.25
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.