Material: Stainless Steel (SS304, SS316)
Size: DN6~DN25
Connection: Female Thread, NPT, BSPT, BSPP (G)
Working Pressure: CLASS150-900
Working Temperature: -29ºC~+538ºC
Applicable Medium: Oil, Gas, Water
Manufacturing Standard: ANSI, ASME, GB, JIS, DIN, customizable as per customer’s drawing
Ball valves are designed for efficient on/off control of fluid flow in a wide range of industrial applications. These valves feature a spherical disc to control the flow and are known for their excellent sealing capabilities and ease of operation. Constructed with high-quality materials such as stainless steel, ball valves are ideal for demanding environments and can handle high-pressure and high-temperature conditions.
The External Thread Air Source Ball Valve features a durable, threaded connection designed for efficient control of air flow in pneumatic systems. Its robust construction ensures reliable sealing and performance, even under high pressure and fluctuating conditions. This valve is ideal for applications where precise airflow regulation and easy installation are critical. The external thread design allows for quick and secure connections to external piping, making it a versatile choice for industrial air supply systems.
PART NAME AND MATERIAL.
| No. | Part Name | Material |
| 1 | Body | 20# A105, SS304, SS304L, SS316, SS316L |
| 2 | Bonnet Gasket | (Red Copper), PTFE |
| 3 | Bonnet | 20# A105, SS304, SS304L, SS316, SS316L |
| 4 | Packing Seat | PTFE (Expanded Graphite), Metal and Graphite |
| 5 | Packing | PTFE (Expanded Graphite) |
| 6 | Packing Gland | 20# A105, SS304, SS304L, SS316, SS316L |
| 7 | Stem | 20# A105, SS304, SS304L, SS316, SS316L |
| 8 | Handle | 20# A105, SS304, SS304L, SS316, SS316L |
| 9 | Hexagon Screw | 20# A105, SS304, SS304L, SS316, SS316L |
| Nominal Bore (DN) | Thread Type | H (mm) | L (mm) | L1 (mm) | N (mm) |
| DN6 | NPT1/4 | 75 | 58 | 75 | 60 |
| NPT1/2 | 80 | 62 | 66 | 60 | |
| NPT3/4 | 80 | 57 | – | 60 | |
| DN10 | NPT3/8 | 75 | 58 | 78 | 60 |
| DN15 | NPT1/2 | 77 | 68 | 86 | 60
|
| Test Item | Shell Test (MPa) | Shell Test (Lbf/in²) | Sealing Test (MPa) | Sealing Test (Lbf/in²) | Back Seal Test (MPa) | Back Seal Test (Lbf/in²) | Air Test (MPa) | Air Test (Lbf/in²) | |
| Medium | Water | Air | |||||||
| Test Pressure | 150 | 3.1 | 450 | 2.2 | 315 | 2.2 | 315 | 0.5-0.7 | 60-100 |
| 300 | 7.8 | 1125 | 5.6 | 815 | 5.6 | 815 | |||
| 400 | 10.3 | 1500 | 7.6 | 1100 | 7.6 | 1100 | |||
| 600 | 15.3 | 2225 | 11.2 | 1630 | 11.2 | 1630 | |||
| 900 | 23.1 | 3350 | 16.8 | 2440 | 16.8 | 2440 | |||
The External Thread Air Source Ball Valve is designed for controlling the flow of compressed air in industrial systems, ensuring efficient and secure operation. Its primary applications include:
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