Forged steel cryogenic gate valve

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Forged steel cryogenic gate valve

Forged steel cryogenic gate valve

Type：DZ41Y
Subtitle：Liquefied gas valve
In summary, our DN15-DN50 forged steel cryogenic gate valve delivers reliable, leak-proof performance for compact cryogenic systems, featuring space-saving design, -196°C operation, and Class VI sealing - all built with durable ASTM A350 forged steel for long service life in LNG, lab, and gas applications. Contact us today for fast delivery from stock.
Label：Cryogenic valves, Hard sealed gate valves
Category：Forged Steel Gate Valve, Wedge Gate Valve
Working conditions：chemical plant, Cold storage low temperature conditions, food factory, Liquefied natural gas (LNG)
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Product Overview

Our DN15-DN50 forged steel cryogenic gate valve is engineered for precision flow control in small-scale LNG, laboratory gas, and compact cryogenic systems. Manufactured from ASTM A350 LF2 forged steel with extended cryogenic bonnet design, it ensures bubble-tight shutoff at temperatures down to -196°C (-320°F).

Key Features

1. Precision Compact Design

  • Space-saving forged steel body optimized for DN15-DN50 pipelines
  • API 598 Class VI sealing with lapped seat surfaces
  • Low-profile flange design (EN 1092-1 compliant)

2. Certified Cryogenic Performance

  • Extended bonnet (200mm standard) prevents stem freezing
  • Deep cryogenic treatment with liquid nitrogen stabilization
  • Vacuum jacketing option for ultra-low temp insulation

3. Superior Forged Steel Construction

  • ASTM A350 LF2 forged body (SS304/316 stem optional)
  • STL hard-faced seats for extended service life
  • Fire-safe design compliant with API 607/6FA

Applications

1. Small-Scale LNG Systems

✔ LNG dispensing nozzles
✔ Mobile storage tank piping
✔ Skid-mounted vaporizers

2. Laboratory & Research

✔ Superconducting test rigs
✔ Precision gas delivery systems
✔ Instrument cooling circuits

3. Specialty Gas Engineering

✔ Electronic-grade gas control
✔ Medical gas distribution
✔ Semiconductor equipment

Competitive Advantages

FeatureOur ValveStandard Valve
Cryogenic SealLN2 tested zero-leakageAmbient temp only
Operation Torque≤20Nm (DN50)≥35Nm
Weight35% lighterStandard weight
Maintenance5-year service intervalAnnual maintenance

Medium
Liquefied gas, Liquid Nitrogen, Natural gas

Working conditions

chemical plant, Cold storage low temperature conditions, food factory, Liquefied natural gas (LNG), Petrochemical industry

Summarize

In summary, our DN15-DN50 forged steel cryogenic gate valve delivers reliable, leak-proof performance for compact cryogenic systems, featuring space-saving design, -196°C operation, and Class VI sealing – all built with durable ASTM A350 forged steel for long service life in LNG, lab, and gas applications. Contact us today for fast delivery from stock.

Product Parameters

Size RangeDN15-DN50 (½"-2")
Pressure RatingPN16-PN100 / Class 150-Class 600
Body MaterialASTM A350 LF2 Forged Steel,F304,F316,F304L,F316L
ConnectionsRF Flange / NPT/BSP Thread / Socket Weld
Temp Range-196°C to +80°C (extendable to -253°C)
Leakage ClassAPI 598 Class VI

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