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A182 F22 Alloy Steel Piston Valve

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MOQ : 5 Units

A182 F22 Alloy Steel Piston Valve Specification

Structure
Piston type valve (Body, Bonnet, Stem, Piston, Seal)

Material
A182 F22 Alloy Steel

Power
Manual

Pressure
Up to 6000 PSI

Media
Steam, Oil, Water, Gas

Working Temperature
-29C to 425C

Port Size
1/2 inch to 12 inch

Surface
Anti-corrosive coated finish

Shape
Straight / Globe type

Application
Industrial piping systems, Steam, Oil & Gas

Flow Direction
Bidirectional

Manufacturing Standard
ASTM A182 F22

Body Material
Forged alloy steel

Size Range
½ inch to 12 inch

Leakage Class
Class VI

Color
Black / Metallic Gray

Design Temperature
Up to 425°C

Testing Standard
API 598

Operation Method
Handwheel operated

Valve Standard
ANSI / ASME / BS / DIN

Bonnet type
Bolted

Packing Material
Graphite / PTFE

Seat type
Metal seated

End Connection
Flanged / Butt weld / Socket weld / Screwed

A182 F22 Alloy Steel Piston Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About A182 F22 Alloy Steel Piston Valve

A182 F22 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

Superior Construction and Versatility

Built from A182 F22 forged alloy steel, this piston valve withstands high pressure and temperature extremes, catering to demanding industrial environments. Its adaptability to different end connections-flanged, butt weld, socket weld, or screwed-makes it suitable for diverse piping systems. The metal-seated design and anti-corrosive finish ensure resilience against abrasive media and harsh operating conditions.

Reliable Sealing and Operation

Featuring a bolted bonnet and metal seat, the valve provides Class VI leakage protection meeting rigorous API 598 test standards. The handwheel-operated mechanism offers precise flow regulation, while graphite/PTFE packing ensures tight sealing and minimal maintenance. The bidirectional flow capability enhances installation flexibility in complex pipelines.

FAQ's of A182 F22 Alloy Steel Piston Valve:

Q: How is the A182 F22 Alloy Steel Piston Valve installed in industrial piping systems?

A: The valve can be installed using flanged, butt weld, socket weld, or screwed end connections, making it compatible with various piping setups. It is designed for bidirectional flow, so placement can be flexible depending on system requirements.

Q: What are the advantages of using a metal-seated piston valve over other valve types?

A: A metal-seated piston valve provides excellent durability, resistance to high temperatures and pressures, and reliable leakage protection (Class VI). It is particularly suited for demanding services involving steam, oil, and gas.

Q: When should the graphite or PTFE packing material be selected for the valve?

A: Graphite packing is typically chosen for high-temperature steam applications, while PTFE packing is ideal for corrosive environments or media. Selection depends on the specific media and operating temperature involved.

Q: Where can the A182 F22 Alloy Steel Piston Valve be applied?

A: This valve is suitable for use in industrial piping systems handling steam, oil, water, or gas, including applications found in refineries, power plants, chemical processing units, and oil & gas industries.

Q: What standards ensure the quality and performance of the valve?

A: The valve conforms to ANSI, ASME, BS, DIN, and ASTM A182 F22 manufacturing standards and is tested according to API 598 to ensure Class VI leakage prevention and reliable operation.

Q: How does the anti-corrosive coated finish benefit long-term usage?

A: The anti-corrosive coating protects the valve from oxidation and surface degradation, extending its lifespan, maintaining appearance, and reducing the need for frequent maintenance in harsh environments.

Q: What is the process for operating this valve and regulating flow?

A: Operation is manual, using a handwheel for precise control of fluid flow. The design allows for accurate adjustment, ensuring efficient isolation or modulation according to system requirements.

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