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A182 F321 Stainless Steel Piston Valve

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MOQ : 5 Units

A182 F321 Stainless Steel Piston Valve Specification

Structure
Piston Type

Material
A182 F321 Stainless Steel

Power
Manual

Pressure
Medium Pressure

Media
Water, Oil, Gas, Steam

Working Temperature
Up to 800C

Port Size
15mm to 100mm

Surface
Polished

Shape
Straight

Application
Industrial Pipelines, Steam, Oil & Gas, Chemical Processing

End Connection
Flanged

Leakage Class
Class VI

Design
Anti-blowout Stem Design

Gland Packing
Adjustable Packing

Sealing
PTFE or Graphite

Corrosion Resistance
High

Standard
ASTM, ANSI, DIN, JIS

Size Range
1/2" to 4"

Operation
Handwheel

Maintenance
Low

Body Material
Forged Stainless Steel

Color
Metallic Silver

Valve Type
Piston Valve

Bonnet
Bolted Bonnet

A182 F321 Stainless Steel Piston Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About A182 F321 Stainless Steel Piston Valve

A182 F321 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

Reliable Sealing and Durability

This piston valve integrates advanced sealing technology using PTFE or graphite, providing optimal leak prevention and resilience across a wide temperature range. The robust forged stainless steel construction boosts longevity, while the corrosion-resistant properties ensure exceptional performance in harsh industrial environments. Its bolted bonnet and anti-blowout stem further contribute to long-term reliability and safety.

Versatile Applications

Designed for use in diverse sectors, the A182 F321 Piston Valve excels in controlling flow within industrial pipelines, steam systems, oil & gas installations, and chemical processing units. Its adaptable performance makes it an ideal choice for both new installations and system upgrades, supporting various media including water, oil, gas, and steam.

FAQ's of A182 F321 Stainless Steel Piston Valve:

Q: How does the A182 F321 Stainless Steel Piston Valve ensure leak-tight operation?

A: The valve achieves leak-tight performance through its Class VI leakage rating, advanced sealing materials (PTFE or graphite), and a precision-forged stainless steel body. Together, these features prevent leaks even under high temperatures and medium pressure conditions.

Q: What media can be safely used with this piston valve?

A: It supports water, oil, gas, steam, and various chemicals, making it suitable for a broad array of industrial applications including pipelines, steam systems, and chemical processing plants.

Q: When should this valve type be chosen for a pipeline system?

A: This piston valve is ideal for medium-pressure applications where corrosion resistance, high-temperature capability (up to 800C), and low maintenance are critical requirements, such as in steam, oil, or chemical industries.

Q: Where is the A182 F321 Stainless Steel Piston Valve typically installed?

A: The valve is commonly installed in industrial pipelines within sectors such as oil & gas, chemical processing, steam generation, and water treatment-anywhere stringent flow control and reliability are required.

Q: What is the maintenance process for this valve?

A: Routine inspection is typically sufficient, thanks to its robust design. The adjustable gland packing and anti-blowout stem allow quick adjustments, minimizing downtime and simplifying maintenance procedures.

Q: How does the anti-blowout stem design enhance valve safety?

A: The anti-blowout stem prevents the stem from being ejected under pressure, protecting both equipment and personnel and ensuring safe operation even during maintenance or emergency conditions.

Q: What are the benefits of selecting A182 F321 Stainless Steel for valve construction?

A: A182 F321 offers excellent corrosion and heat resistance, ensuring durability in aggressive environments. This results in extended service life, minimal maintenance, and dependable performance under demanding conditions.

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