Forged steel cryogenic gate valve

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.

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

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

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.

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