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A351 CF8 Stainless Steel Piston Valve

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MOQ : 5 Units

A351 CF8 Stainless Steel Piston Valve Specification

Structure
Piston Type

Material
A351 CF8 Stainless Steel

Power
Manual

Pressure
PN16 (Max 16 Bar)

Media
Water, Oil, Gas

Working Temperature
-20C to 220C

Port Size
1/2 inch to 4 inch

Surface
Polished

Shape
Straight

Application
Industrial, Chemical, Oil & Gas

End Connection
Flanged

Seat Type
Metal to Metal

Operation
Handwheel

Corrosion Resistance
Excellent

Body Construction
One Piece / Two Piece

Color
Silver

Design Standard
ASME, ANSI, DIN

Flow Direction
Bi-directional

Leakage Class
Class VI

A351 CF8 Stainless Steel Piston Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About A351 CF8 Stainless Steel Piston Valve

A351 CF8 Stainless Steel Piston Valve that we are offering is unmatched in terms of design and quality. It is a precision tool designed and developed in our ultra-advanced production site making the best use of pioneering tools and techniques. The piston valve has got rugged construction and resilience. It can endure rust, chemical attacks, and other degrading factors, therefore, the tool does not degrade in quality or become inferior in the long run. A351 CF8 Stainless Steel Piston Valve can be purchased from us at a cost-effective price.

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 Corrosion Resistance

Crafted from A351 CF8 stainless steel, this piston valve exhibits excellent corrosion resistance, making it ideal for environments with harsh fluids or chemicals. The polished surface not only enhances durability but also maintains hygiene standards for critical applications.

Versatile Application & Design

With a bi-directional straight flow design and metal-to-metal seat type, the valve is suitable for diverse media such as water, oil, and gas. Its adherence to ASME, ANSI, and DIN standards ensures seamless integration into various industrial, chemical, and oil & gas processes.

Reliable Performance & Operation

Engineered for manual handwheel operation, the valve achieves Class VI leakage prevention. Available in both one-piece and two-piece body construction, it delivers robust performance under pressures up to 16 Bar and temperatures ranging from -20C to 220C.

FAQ's of A351 CF8 Stainless Steel Piston Valve:

Q: How is the A351 CF8 Stainless Steel Piston Valve operated?

A: The valve is manually operated using a handwheel, allowing precise control over flow in industrial, chemical, and oil & gas applications.

Q: What end connection and seat type does this piston valve feature?

A: It is equipped with flanged end connections and a metal-to-metal seat, ensuring secure installation and reliable sealing under high pressure and temperature.

Q: When should this valve be used in an industrial setup?

A: This valve is best suited for systems requiring bi-directional flow control, excellent corrosion resistance, and minimal leakage, especially across media like water, oil, or gas.

Q: Where can A351 CF8 Stainless Steel Piston Valves be applied?

A: They are commonly deployed in industrial, chemical processing, and oil & gas plants throughout India, where robust performance and high corrosion resistance are critical.

Q: What is the process for installing the valve?

A: The valve should be bolted via its flanged ends onto compatible piping, following guidelines specified by ASME, ANSI, or DIN standards to ensure correct fit and performance.

Q: How does the valve ensure minimal leakage?

A: Its metal-to-metal seat design, coupled with Class VI leakage rating, provides a tight seal that minimizes fluid escape even under maximum operating pressure (PN16).

Q: What is the benefit of using A351 CF8 material for this valve?

A: A351 CF8 stainless steel provides superior corrosion resistance, robust mechanical strength, and long-term reliability even when exposed to harsh chemicals or aggressive fluids.

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