A182 F51 Duplex Stainless Steel Piston Valve

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A182 F51 Duplex Stainless Steel Piston Valve

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MOQ : 5 Units

A182 F51 Duplex Stainless Steel Piston Valve Specification

Structure
Piston Valve

Material
A182 F51 Duplex Stainless Steel

Power
Manual

Pressure
Class 150 to 600 (10 to 40 bar)

Media
Steam, Gas, Water, Oil

Working Temperature
-50C to 250C

Port Size
15 mm to 200 mm (1/2 to 8)

Surface
Shot Blasted / Pickled & Passivated

Shape
Straight Pattern

Application
Oil & Gas, Petrochemical, Power Plants, Chemical Industries

Seat Type
Renewable Piston & Rings

Face to Face
ASME B16.10

Trim
Duplex Stainless Steel

Body Material
Duplex Stainless Steel ASTM A182 F51

End Connection
Flanged, Socket Weld, Butt Weld, Screwed

Corrosion Resistance
High

Testing Standard
API 598

Mounting
Horizontal / Vertical

Design Features
Non-Rising Stem, Yoke Type, Replaceable Sealing Rings

Color
Metallic Silver / Grey

Leakage Class
Class VI Bubble Tight

Life Cycle
Long Service Life

Standard
ASTM A182, API 602

Operation
Handwheel

A182 F51 Duplex Stainless Steel Piston Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About A182 F51 Duplex Stainless Steel Piston Valve

A182 F51 Duplex Stainless 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 for Challenging Applications

Built from duplex stainless steel ASTM A182 F51, this piston valve offers exceptional strength and resistance to corrosion, making it ideal for harsh conditions in oil and gas, petrochemical, power plants, and chemical industries. Its straight pattern and renewable seat design allow for reliable performance and simplified maintenance, enhancing uptime and efficiency.

Flexible Installation and Operation

The valve accommodates various end connections-flanged, socket weld, butt weld, and screwed-enabling straightforward integration into existing piping systems. With manual handwheel operation and compatibility for both horizontal and vertical mounting, it meets diverse application requirements and offers ease of use on-site.

FAQ's of A182 F51 Duplex Stainless Steel Piston Valve:

Q: How is the A182 F51 Duplex Stainless Steel Piston Valve installed?

A: Installation involves connecting the valve using flanged, socket weld, butt weld, or screwed end options, depending on your piping setup. The valve can be mounted horizontally or vertically, following ASME B16.10 face-to-face standards for optimal fit and performance.

Q: What media can this piston valve handle?

A: This piston valve is designed for handling steam, gas, water, and oil. Its duplex stainless steel body and renewable piston seat make it suitable for corrosive and high-pressure environments in oil & gas, petrochemical, power plants, and chemical industries.

Q: When should I opt for a Class VI bubble tight leakage valve?

A: Class VI bubble tight leakage valves are recommended when absolute shut-off and zero leakage are critical, especially in processes involving hazardous or high-value media. This ensures operational safety and regulatory compliance in various industrial sectors.

Q: Where is the A182 F51 Duplex Stainless Steel Piston Valve commonly used?

A: It is widely used in India and globally across oil & gas facilities, petrochemical plants, power generation stations, and chemical processing industries due to its corrosion resistance and long service life.

Q: What is the maintenance process for this valve?

A: Routine inspection involves checking seals and piston rings for wear. The replaceable sealing rings and renewable seat design allow for quick maintenance or replacement without requiring full valve removal, reducing downtime significantly.

Q: How does its duplex stainless steel construction benefit operations?

A: Duplex stainless steel provides high mechanical strength and excellent resistance to pitting and corrosion, significantly extending the valve's life cycle and reducing maintenance costs, especially in aggressive or corrosive environments.

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