Bevel Gear LCB Cryogenic Steel Flanged Globe Valve - Industrial Cryogenic Valve for Low Temperature Applications

Product Overview

The Bevel Gear LCB Cryogenic Steel Flanged Globe Valve is a high-performance industrial valve tailored for extreme low-temperature service, integrating the exceptional cryogenic resistance of LCB steel with the efficient torque reduction of bevel gear operation. Compliant with international standards including API 623, ASME B16.34, and BS 6364, this valve features an LCB (ASTM A352) cryogenic carbon steel body, flanged end connections, and a precision-engineered bevel gear mechanism. It is specifically designed to handle liquefied gases (LNG, liquid nitrogen, liquid oxygen) and low-temperature media down to -196℃ (-321°F), delivering reliable shutoff, precise flow control, and structural stability in harsh cryogenic environments. Widely adopted in LNG terminals, air separation plants, petrochemical facilities, and cryogenic storage systems, this valve effectively solves industry pain points such as material embrittlement, seal failure, and operational jamming in ultra-low-temperature conditions.

Key Features & Advantages

1.ASTM A352 LCB Cryogenic Steel Construction

Crafted from LCB cryogenic carbon steel (ASTM A352), the valve maintains superior mechanical strength and toughness across a temperature range of -196℃ to 343℃ (-321°F to 650°F). LCB steel’s low-temperature performance prevents embrittlement and cracking, making it ideal for cryogenic media like LNG (-162℃), liquid nitrogen (-196℃), and liquid ethylene (-104℃).

2.Efficient Bevel Gear Transmission

Equipped with a high-precision bevel gear system that reduces operating torque by 30-50% compared to manual handwheel valves. This design enables effortless operation for large-size or high-pressure applications, ensures smooth disc lifting, minimizes component wear, and extends service life. The modular gearbox allows easy disassembly for maintenance, with optional electric or pneumatic actuation for remote control needs.

3.Superior Cryogenic Sealing Performance

Features a metal-to-metal sealing surface (with optional Stellite overlay for enhanced wear resistance) and a multi-layer packing system (flexible graphite or PTFE). The extended bonnet design isolates the packing from cryogenic media, avoiding seal hardening and ensuring long-term leakage prevention. Meets ISO 15848 Class AA and API 598 Class IV leakage standards, suitable for flammable, explosive, and toxic cryogenic fluids.

4.Flanged End Connection for Global Compatibility

Flanged ends comply with ASME B16.5 or BS 4504 standards, supporting RF (Raised Face) or RTJ (Ring Type Joint) configurations. This ensures secure, leak-free installation and seamless integration into existing industrial pipelines, with compatibility across pressure classes from Class 150 to 2500 (PN 10 to PN 420).

5.Compliance with International Standards

Fully adheres to API 623 (cryogenic globe valve design), API 598 (inspection and testing), and ASME B16.10 (face-to-face dimensions). Certified by ISO 9001, with optional CE/PED certifications, ensuring meet the quality requirements of global industrial projects and facilitating cross-border procurement.

6.Robust & Low-Maintenance Design

Bolted bonnet construction with a backseat design allows in-line maintenance—inspection, repair, or replacement of internal components (disc, seat, stem)—without removing the valve from the pipeline. The one-piece forged stem ensures structural integrity, while the dust-proof gearbox cover prevents contamination, reducing maintenance costs and downtime.

Technical Specifications

Applications

The Bevel Gear LCB Cryogenic Steel Flanged Globe Valve is widely used in low-temperature and cryogenic systems, including:

•Liquefied Natural Gas (LNG) terminals, storage tanks, and transportation pipelines

•Air separation plants (production of liquid nitrogen, liquid oxygen, liquid argon)

•Petrochemical and chemical processing (ethylene, propylene, liquid ammonia, methanol)

•Cryogenic refrigeration systems and industrial freezers

•Nuclear power plants (cryogenic coolant control and circulation)

•Biomedical and research facilities (liquid helium, liquid hydrogen storage and transfer)

•LPG (liquefied petroleum gas) and LNG vehicle refueling stations

Why Choose Our Bevel Gear LCB Cryogenic Globe Valve?

✅ Extreme Low-Temperature Reliability: LCB steel ensures stable performance at -196℃, eliminating embrittlement risks in cryogenic environments.

✅ Effortless Operation: Bevel gear transmission reduces torque, making large-size/high-pressure valves easy to operate manually.

✅ Zero-Leakage Assurance: Advanced sealing system meets strict cryogenic leakage standards, protecting personnel and the environment.

✅ Global Standard Compliance: API/ASME/BS certifications ensure compatibility with international projects and procurement requirements.

✅ Long Service Life: Robust construction and corrosion-resistant materials extend maintenance intervals to over 20 years.

✅ Customization Flexibility: Available in various sizes, pressure classes, and actuation types to match specific application needs.

Order Information

Contact our technical sales team for personalized quotes, 2D/3D drawings, material certificates (ASTM A352 LCB), or sample requests. We offer professional cryogenic valve solutions and global logistics support.

•Minimum Order Quantity (MOQ): 1 Unit

•Lead Time: 12-25 Working Days (Standard Sizes); Customized Orders: 25-40 Working Days

•Payment Terms: T/T (30% Advance + 70% Against B/L Copy), L/C, Western Union

•Shipping: Sea Freight (FCL/LCL), Air Freight, Express (DHL/FedEx/UPS)

•Packaging: Anti-corrosion Coating + Wooden Case + Custom Labeling (Meets Export Standards)

•After-Sales Service: 12-Month Warranty, Technical Support, and Spare Parts Supply

What Is a Bevel Gear LCB Cryogenic Steel Flanged Globe Valve

A Bevel Gear LCB Cryogenic Steel Flanged Globe Valve is a specially engineered control valve designed for low temperature service involving liquefied gases and other cryogenic media. The body is made from LCB low temperature carbon steel, which maintains toughness under extremely cold conditions. A bevel gear operator provides mechanical assistance for smooth opening and closing. The globe valve design allows accurate throttling and reliable shutoff, while flanged ends ensure secure and convenient installation.

Why the Bevel Gear LCB Cryogenic Steel Flanged Globe Valve Matters

This valve is essential in cryogenic systems because it maintains sealing performance and structural integrity when exposed to very low temperatures. The LCB material resists brittleness and supports safe operation. The bevel gear mechanism reduces manual effort and improves control for larger valves. Its precise throttling capability helps regulate flow in storage, transportation, and processing systems handling liquefied natural gas, industrial gases, and other temperature sensitive fluids.

Common Product Types by Bevel Gear LCB Cryogenic Steel Flanged Globe Valve

Common product types include straight pattern globe valves for general flow control, angle globe valves for applications requiring a change in flow direction, and Y pattern globe valves that reduce pressure loss. Extended bonnet versions are widely used to protect packing from low temperatures. Bellows sealed designs are selected where emissions control is important. Various seat and trim materials are available for different cryogenic media and operating conditions.

Key Advantages of Bevel Gear LCB Cryogenic Steel Flanged Globe Valve

This valve offers excellent toughness at low temperatures, precise throttling performance, and dependable shutoff. The bevel gear operator provides smoother operation and greater torque for large diameter valves. LCB cryogenic steel ensures durability and resistance to brittle fracture. The extended bonnet design protects stem sealing components, while flanged ends simplify installation, maintenance, and replacement in insulated cryogenic pipeline systems.

Bevel Gear LCB Cryogenic Steel Flanged Globe Valve Machine Structure and Core Stations

Production begins with casting or forging the valve body, bonnet, disc, and stem using low temperature carbon steel. Core stations include heat treatment, impact testing, CNC machining of flange faces and sealing surfaces, and assembly of the extended bonnet and bevel gear operator. Final stations perform seat lapping, cryogenic testing, pressure testing, cleaning, coating, marking, and packaging to ensure reliable performance in low temperature service.