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A217 CA15 Cast Alloy Steel Piston Valve

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MOQ : 5 Units

A217 CA15 Cast Alloy Steel Piston Valve Specification

Structure
Bolted Bonnet, Piston Type Disc

Material
A217 CA15 Cast Alloy Steel

Power
Manual

Pressure
Class 150 to 800

Media
Steam, Air, Water, Oil

Working Temperature
Up to 600C

Port Size
15 mm to 300 mm

Surface
Shot Blasted / Painted

Shape
Straight Pattern

Application
Steam, Water, Oil, Gas Pipelines

Inspection
100% Factory Tested

Body Test Pressure
Hydrostatic at 1.5 times design pressure

Coating
Corrosion Resistant Paint Finish

Gasket
Spiral Wound Stainless Steel with Graphite Filler

Ends
Flanged Ends as per ASME B16.5

Trim
Stainless Steel or Equivalent Alloy

Bonnet
Bolted Bonnet Type

Seat Leakage
Zero leakage, tight shut-off

Operation
Handwheel Operated

A217 CA15 Cast Alloy Steel Piston Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About A217 CA15 Cast Alloy Steel Piston Valve

A217 CA15 Cast 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

Precision Engineering for Leak-Free Performance

This piston valve offers zero seat leakage, ensuring a reliable, tight shut-off for critical pipelines. Its bolted bonnet, spiral wound stainless steel gasket with graphite filler, and stainless steel or equivalent alloy trim collectively deliver robust performance against high pressures and temperatures. Every valve undergoes rigorous factory testing for assurance of quality and dependability in demanding conditions.

Versatile Applications Across Industries

Designed for use in steam, water, oil, and gas systems, the A217 CA15 Piston Valve is ideal for various industrial applications. Its straight pattern structure and wide port size range (15 mm to 300 mm) accommodate diverse pipeline requirements. The corrosion-resistant painted finish and shot blasted surface prepare the valve for operational longevity in challenging environments.

User-Friendly Operation and Maintenance

Handwheel operation and a bolted bonnet design make this valve straightforward to use and service. The valve is powered manually, simplifying installation and operation without electrical dependencies. Comprehensive inspection and factory testing guarantee reliability, while its maintenance-friendly design reduces downtime and prolongs service life.

FAQ's of A217 CA15 Cast Alloy Steel Piston Valve:

Q: How does the piston-type disc ensure zero leakage in the A217 CA15 Cast Alloy Steel Piston Valve?

A: The piston-type disc works in combination with precision-engineered stainless steel trim and a spiral wound gasket with graphite filler to create a robust seal. This design ensures zero seat leakage, enabling tight shut-off even under high pressure or temperature conditions.

Q: What testing processes are applied before dispatching the piston valve?

A: Each A217 CA15 Piston Valve undergoes 100% factory hydrostatic testing at 1.5 times its design pressure. This process verifies the valve's strength, sealing capability, and integrity, ensuring dependable performance in field applications.

Q: When should this valve be selected over other types for industrial pipelines?

A: Select this valve when zero leakage, tight shut-off, and reliable operation under high temperatures (up to 600C) and pressures (Class 150-800) are critical. Its durability and corrosion resistance make it ideal for steam, water, oil, or gas pipeline systems.

Q: Where is the A217 CA15 Cast Alloy Steel Piston Valve commonly installed?

A: This valve is widely installed in process plants, power stations, refineries, and pipelines within industrial facilities across India and exported globally. It performs well in environments that demand precise control and leak-proof sealing for various media.

Q: What are the main benefits of the bolted bonnet type and spiral wound gasket construction?

A: The bolted bonnet guarantees ease of maintenance and enhances pressure containment. The spiral wound gasket with graphite filler ensures robust sealing and long-term resistance to high temperature and corrosive media.

Q: How should the valve be operated and maintained for optimal lifespan?

A: The valve is manually operated using a handwheel. Routine inspection and prompt gasket replacement, if required, ensure continued reliability. The corrosion-resistant paint and shot blasted surface further reduce maintenance needs and extend functional life.

Q: What port size range is available and how does it affect usage?

A: Port sizes range from 15 mm to 300 mm, allowing versatility for various pipeline diameters and flow rates. This range makes the valve suitable for both small process lines and large industrial transmission pipelines.

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