4090 & 4091 Stainless Steel High Pressure Ball Valve
A robust low carbon 316L grade stainless steel ball valve with a choice of BSP or NPT female threads. The valve is specifically designed with solid construction and high quality internal components, such as graphite body and end adapter seals, to ensure superior performance in high pressure applications at a good range of working temperatures.

Design Features
- Body, ball and stem in low carbon 316L grade stainless steel
- Suitable for high pressure applications
- Wear-resistant, long lasting materials ensure superior performance
- Blow-out proof stem to prevent leakage and ensure safety
Production
- Manufactured in Italy under ISO 9001 Quality Management System
- All valves are pressure tested during production
Technical
- Size range: DN8 (1/4") to DN65 (2 1/2")
- Female ISO 7/1 Rp (BSPP) threaded connections (Series 4090)
- Female ANSI B1.20.1 (NPT) threaded connections (Series 4091)
- Flow capacity: Full bore
- Flow control: On/off only, not intended for throttling
- Temperature range: -30°C to 100°C
- Max. pressure: DN8-15 50,000 kPa; DN20 40,000 kPa; DN25-50 35,000 kPa; DN65 15,000 kPa
- Refer to graph for ratings at specific temperatures
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