SQK A352 LCB Carbon Steel Piston Valve

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MOQ : 5 Units

SQK A352 LCB Carbon Steel Piston Valve Specification

Structure
Piston Type

Material
A352 LCB Carbon Steel

Power
Manual

Pressure
16 Bar

Media
Water, Steam, Oil, Gas

Working Temperature
Up to 425C

Port Size
25 mm (1 Inch)

Surface
Coated

Shape
Straight

Application
Industrial pipelines, Oil & Gas, Steam, Water, Chemical Industries

Body Material Grade
Carbon Steel ASTM A352 LCB

Operation
Handwheel Operated

Design Standard
API 602 / BS 5352

Testing Standard
API 598

End Connection
Flanged

Leakage Class
Class VI

Sealing Type
Renewable Gland Packing with Stainless Steel Piston Rings

Bonnet Material
Carbon Steel

Size Range
15 mm to 200 mm

SQK A352 LCB Carbon Steel Piston Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About SQK A352 LCB Carbon Steel Piston Valve

SQK A352 LCB Carbon 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

Versatile Application Across Industries

Designed for use in industrial pipelines, oil & gas, chemical, water, and steam applications, the SQK A352 LCB piston valve provides reliable shut-off capability in demanding environments. Its robust construction and high leakage class rating make it suitable for both high-pressure and high-temperature media, offering peace of mind for distributors and end-users alike.

Rigorous Quality and Testing Standards

Each valve is manufactured in accordance with API 602 and BS 5352 design standards, and undergoes stringent inspection under API 598 testing. This ensures exceptional durability and reliable performance, even in critical conditions. The Class VI leakage class provides assurance of minimal leakage during operation, enhancing operational safety and efficiency.

FAQ's of SQK A352 LCB Carbon Steel Piston Valve:

Q: How does the renewable gland packing with stainless steel piston rings benefit this piston valve?

A: The renewable gland packing with stainless steel piston rings provides a tight, consistent seal, minimizing the risk of leakage and allowing for easy maintenance or replacement when required, thereby prolonging valve lifespan and reducing operating costs.

Q: What is the recommended process for installing the SQK A352 LCB Carbon Steel Piston Valve?

A: Installation should follow standard piping practices for flanged connections. Ensure the valve is correctly aligned, flanges are clean, and bolts are evenly torqued. It's advisable to test the valve as per API 598 after installation to confirm leak-tight operation.

Q: When should this piston valve be used in industrial settings?

A: The valve is ideal for applications where high pressure (up to 16 bar) and high temperature (up to 425C) conditions exist, such as in steam, oil, gas, and chemical pipelines, providing reliable isolation and flow control.

Q: Where can the SQK A352 LCB piston valve be sourced or supplied from in India?

A: This valve is available through reputable distributors, exporters, manufacturers, suppliers, and traders across India, catering to both domestic requirements and international export markets.

Q: What are the main advantages of choosing an A352 LCB carbon steel body for piston valves?

A: A352 LCB carbon steel provides superior mechanical strength and resistance to thermal stress, making the valve suitable for harsh industrial environments and offering enhanced durability and operational reliability.

Q: How is leakage performance ensured in this piston valve?

A: The piston valve is tested under API 598 standards and is rated for Class VI leakage performance, ensuring minimal leakage and high reliability under pressure and temperature extremes.

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