About A182 F11 Alloy Steel Piston Valve
A182 F11 Alloy Steel Piston Valve
Full port forged steel isolation valves with a maximum operating pressure of 1973 psig/136 Barg and a maximum operating temperature of 800oF/427oC. The burnished piston and metal reinforced graphite rings provide leak-proof shut off and allow Piston Valves to be operated at higher temperatures, while also extending operating life.
Piston Valves are available in Socket Weld, BSPT, and NPT end connections. Flanged ends can be supplied upon request. Piston Valves are ideal for saturated and superheated steam, and hot water applications.
Piston Valves Feature :
- Leak-proof isolation
- Sizes from 1/2"/15mm to 1-1/2"/40mm
- Choice of socket weld or threaded connections
- Compatible with ASME
- Resistant to cavitation
- All sealing valve components may be easily replaced in-line
- Long-term operation. Piston valve design ensures actuation even after many years without operation
- Fire-proof performance
Design Standards :
- ASME (B16.34, B16.5)
- Inspection and testing (API 598)
- Leak test (ANSI/FCI 70-2 )
- Fire test (API SPEC 6FA : 1999
Design features of Piston Valves :
Materials of Construction
- Body and Bonnet ASTM A105N / A350 LF2 Forged Steel
- Spindle SS T304
- Ring Valve SS T3016 + Graphite
- Piston SS 17-4 PH
- Spacer CA 40
- Belleville Washer ASTM A231
- Name Plate SS 304
High Performance in Demanding EnvironmentsEngineered for reliability, the A182 F11 Alloy Steel Piston Valve performs optimally in environments involving steam, oil, and gas. The forged alloy steel body and metal-to-metal sealing provide long-term durability and precise shutoff. Its hydrostatic testing at elevated pressures ensures operational safety, making the valve ideal for critical industrial processes.
Versatile and Secure Valve DesignAvailable in a range of sizes (1/2" to 2") and shaped for straight inline installation, this handwheel-operated piston valve is compatible with various piping systems. The flanged ends simplify integration, while the paint-coated surface resists corrosion even in challenging media, including steam, water, gas, and oil. Customized color options allow adaptation to user-specific requirements.
FAQ's of A182 F11 Alloy Steel Piston Valve:
Q: How is the piston valve tested for pressure safety?
A: The A182 F11 Alloy Steel Piston Valve is hydrostatically tested at 1.5 times its rated working pressure, ensuring structural integrity and leak-proof operation during high-pressure industrial applications.
Q: What are the main benefits of metal-to-metal sealing in this valve?
A: Metal-to-metal sealing offers excellent durability and leak prevention, achieving Class VI tight shutoff for the valve. This technology is highly effective in resisting wear from media such as steam, gas, oil, and water.
Q: When should I use the A182 F11 piston valve in my system?
A: Use this valve for industrial steam, oil, and gas system applications that demand medium pressure control, high temperature tolerance (up to 450C), and reliable shutoff performance.
Q: Where can this valve be installed?
A: The straight (inline) design with flanged ends allows the valve to be easily integrated into a variety of industrial piping configurations, in environments where corrosion resistance and robust pressure sealing are required.
Q: What is the typical process for operating this valve?
A: The valve operates manually via a handwheel, allowing precise control over flow. Its bonnet bolted, piston type structure ensures consistent performance and simplified maintenance.
Q: How does the corrosion-resistant coating benefit the valve?
A: The paint-coated surface provides enhanced protection against corrosion, extending the valve's lifetime and maintaining performance in harsh industrial conditions. Custom color options are available to suit site-specific needs.