A350 LF2 Alloy Steel Gate Valve

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MOQ : 5 Units

A350 LF2 Alloy Steel Gate Valve Specification

Sealing
Metal to Metal, Soft Seat Optional

Connection
Flanged / Butt Welded / Socket Welded

Size
DN15 to DN900

Structure
Gate Valve

Material
A350 LF2 Alloy Steel

Type
Solid Wedge, Bolted Bonnet

Power Source
Manual/Handwheel Operated

Pressure
Class 150 to 2500 / PN 16 to 420

Media
Water, Oil, Gas, Steam

Working Temperature
-46C to 425C

Port Size
1/2 inch to 36 inch

Surface
Shot Blasted, Anti-rust Coated

Shape
Straight

Application
Low-temperature Service, Petrochemical, Oil & Gas, Power Plants, Refineries

Coating
Anti-corrosive Paint

Bonnet
Bolted Bonnet Construction

Body Material Grade
ASTM A350 LF2

Operation
Rising Stem / Non-rising Stem

Test Standard
API 598

Trim Material
13Cr / F6a / F304 / F316

Face to Face Standard
ASME B16.10

Design Standard
API 600, BS 1414

End Connection Standard
ASME B16.5 / ASME B16.25

A350 LF2 Alloy Steel Gate Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About A350 LF2 Alloy Steel Gate Valve

A350 LF2 Alloy Steel Gate Valve

Main Features :

Bolted body-bonnet design for valves up to Class 800, 1500, 2500, 4500. Valves with welded bonnet also available on request
Screwed with a seal-welded body-bonnet design for valves of Class 1500,2500, 4500.
Bellows-sealed Gate and Globe valves available in Class 800
Bolted body-bonnet joints provided with spiral-wound stainless steel gasket and graphite filler for maximum protection against leaks
Die-formed graphite inner packing rings and braided graphite end rings with Inconel wire reinforcement and corrosion inhibitor
T-head stem-disc connection of gate valve fully meets strength requirements of API 602 and API 598
Rolled ACME thread on stem for smooth operation
Tapered shoulder on the stem for back seating
Self-aligning type gland assembly with stud-and-nut tightening
Integral hard-faced body seat for globe and check valves
Spring-loaded disc on check valves suitable for no horizontal applications too
Gate and globe valves can be offered with electrical actuators
Austenitic SS forging for body and bonnet of Cryogenic valves, resulting in excellent impact strength, minimal heat loss and resistance to corrosion
Valves can be offered to NACE MR-0175 and other special NACE requirements

Superior Performance for Low-Temperature Applications

Engineered with ASTM A350 LF2 alloy steel, this gate valve thrives in low-temperature environments. Its solid wedge design and bolted bonnet construction deliver stability and leak-tight operation, even under harsh conditions. Certified to international standards, the valve meets the stringent demands of petrochemical, oil & gas, and power generation sectors.

Versatile Connection and Port Sizing

Available in port sizes (1/2 inch to 36 inch) and end connections (flanged, butt welded, socket welded), this gate valve suits a wide variety of installation requirements. Its compliance with ASME B16.10 and B16.5/B16.25 standards ensures compatibility with global piping systems, simplifying integration and maintenance processes for operators.

FAQ's of A350 LF2 Alloy Steel Gate Valve:

Q: How is the A350 LF2 Alloy Steel Gate Valve typically installed?

A: The valve can be installed using flanged, butt welded, or socket welded end connections, all compliant with ASME standards. Proper alignment of the valve with the pipeline and secure bolting ensures reliable sealing and operation.

Q: What are the benefits of using ASTM A350 LF2 material for gate valves?

A: ASTM A350 LF2 alloy steel provides excellent toughness and resistance to low-temperature embrittlement, making the valve ideal for cryogenic and cold service applications in demanding industrial settings.

Q: When should a gate valve with solid wedge and bolted bonnet be selected?

A: Solid wedge and bolted bonnet constructions are preferred for high-pressure and temperature applications, offering enhanced durability, tight sealing, and ease of maintenance when handling steam, water, oil, and gas.

Q: Where is the A350 LF2 Alloy Steel Gate Valve commonly used?

A: This gate valve finds application in industries such as oil & gas, petrochemical processing, power generation, and refineries, especially where robust and reliable isolation of process fluids is required.

Q: What is the process for testing these gate valves before delivery?

A: Gate valves undergo stringent hydrostatic and pneumatic testing in accordance with API 598 standards to verify their pressure integrity, leak tightness, and operational performance before shipment to customers.

Q: How does anti-corrosive coating enhance valve longevity?

A: The anti-corrosive paint and anti-rust coating shield the valve's surface from moisture, chemicals, and atmospheric contaminants, thereby prolonging service life and reducing maintenance frequency.

Q: What media can be safely handled by this gate valve?

A: The A350 LF2 Valve is designed to handle water, oil, gas, and steam, accommodating a broad range of industrial applications with varying pressure and temperature requirements.

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