Lift type forged steel check valve

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Lift type forged steel check valve

Lift type forged steel check valve

型号：H41Y/H41H
Subtitle：High pressure check valve
The Lift Type Forged Steel Check Valve is a precision-engineered solution designed for compact pipeline backflow prevention in high-pressure systems. Featuring a vertically moving disc and forged steel construction, it ensures reliable one-way flow control in steam, gas, and liquid applications. Designed for horizontal installation only, this valve is not suitable for throttling or vertical pipelines.
标签：High pressure valve
分类：Forged Steel Check Valve
工况：chemical plant, High temperature and high pressure, High temperature and high pressure, High temperature and high pressure steam system
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Product Overview

The Lift Type Forged Steel Check Valve is a precision-engineered solution designed for compact pipeline backflow prevention in high-pressure systems. Featuring a vertically moving disc and forged steel construction, it ensures reliable one-way flow control in steam, gas, and liquid applications. Designed for horizontal installation only, this valve is not suitable for throttling or vertical pipelines.

Applications

Steam Systems: Boiler feedwater and steam trap protection.
Instrumentation: Analyzer and gauge line backflow prevention.
Gas Distribution: Natural gas and compressed air systems.
Hydraulic Units: Pump discharge protection in compact machinery.

Key Features

Forged Compact Design

  • Material: Forged A105 (carbon steel) or F316 (stainless steel).
  • Pressure Rating: ANSI Class 800–1500 (PN100–PN260).
  • Temperature Range: -29°C to 200°C (EPDM seals) / 450°C (metal seals).

Lift Disc Mechanism

  • Guided Disc: Precision-machined stem ensures vertical movement alignment.
  • Quick Closure: Spring-assisted closing (optional) for <0.3秒 response time.
  • Sealing Options:
    • Metal-to-metal (Stellite 6 seat)
    • Soft seat (PTFE/Viton) for ANSI Class VI leakage.

Space Optimization

  • Ultra-Compact: 40% shorter than swing check valves (e.g., DN50 valve length: 80mm).
  • Connection Types:
    • Threaded (NPT/BSPP): DN15-DN25
    • Socket Weld: DN15-DN50
    • Flanged (optional): RF/RTJ for DN40-DN50.

Operational Advantages

  • Low Inertia: 60% lighter disc than swing types for faster closure.
  • Zero Maintenance: Self-cleaning disc design prevents debris accumulation.
  • High Repeatability: ±0.02mm disc guidance ensures consistent sealing.
  • Leakproof: Dual sealing (disc + body seat) for critical applications.

Comparison with Swing Check Valves

FeatureLift Check ValveSwing Check Valve
InstallationHorizontal onlyHorizontal/vertical (flow upward)
SizeCompact (short face-to-face)Longer body design
Pressure Drop0.1–0.3 bar0.05–0.1 bar
Debris ToleranceModerate (guided disc resists jamming)High (no tight clearances)

使用介质

Natural gas, petroleum, steam

使用工况

chemical plant, High temperature and high pressure, High temperature and high pressure, High temperature and high pressure steam system, Petrochemical industry, power plant

总结

The Lift Type Forged Steel Check Valve provides reliable backflow prevention in space-constrained, high-pressure systems. Its precision-guided disc and forged construction make it ideal for steam, gas, and hydraulic applications requiring fast response and zero leakage. Designed for automatic horizontal operation only.

Product Parameters

Size Range DN15–DN50 (½"–2")
Pressure Rating ANSI Class 800–2500 (PN100–PN420)
Temperature Range -29°C to 200°C (EPDM) / -29°C to 450°C (metal)
Body Material ASTM A105 / F316
Disc Material 13% Cr Stainless Steel / Stellite 6
Spring Material SS316 (optional spring-assisted version)
Seat Leakage ANSI Class IV (metal) / Class VI (soft seat)

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