Vertical forged steel check valve

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Vertical forged steel check valve

Vertical forged steel check valve

Type：H42H，H42Y
The Vertical Forged Steel Check Valve is specifically designed for upward-flowing pipelines in high-pressure, high-temperature applications. Manufactured from premium forged steel, this compact valve features a spring-assisted disc for rapid closure, preventing backflow in steam, gas, and liquid systems up to Class 2500 (PN420) pressure.
Label：High pressure valve
Category：Axial flow check valve, Forged Steel Check Valve
Working conditions：chemical plant, metallurgical plant, mining industry, Petrochemical industry
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Product Overview

The Vertical Forged Steel Check Valve is specifically designed for upward-flowing pipelines in high-pressure, high-temperature applications. Manufactured from premium forged steel, this compact valve features a spring-assisted disc for rapid closure, preventing backflow in steam, gas, and liquid systems up to Class 2500 (PN420) pressure.

Key Features

✔ Vertical Flow Design - Optimized for upward flow only (arrow marking indicates direction)
✔ High-Pressure Capability - Class 2500 (PN420) rating for DN15-DN50
✔ Fast Closure - Spring-assisted disc prevents water hammer in small lines
✔ High-Temperature - -29°C to 650°C (-20°F to 1200°F) service
✔ Zero-Leakage - Metal-to-metal seat (ANSI Class IV), soft seat optional

Applications

✔ Power Plants - Boiler feedwater check (vertical risers)
✔ Oil & Gas - High-pressure gas injection lines
✔ Petrochemical - Vertical reactor feed protection
✔ Marine - Compact shipboard piping systems

Competitive Advantages

FeatureOur ValveStandard Check ValveSwing Check Alternative
InstallationVertical onlyHorizontal/verticalHorizontal only
Closure Speed<0.2 sec (spring-assisted)1-2 sec0.5-1 sec
Pressure RatingClass 2500Class 1500Class 900
Water HammerPrevented by fast closurePossiblePossible
Maintenance10-year service5-year inspection3-year inspection

Product Parameters

Size Range DN15-DN50 (½"-2")
Pressure Rating Class 2500 (PN420)
Temperature Range -29°C to 650°C (-20°F to 1200°F)
Body Material A105 (CS), F11/F22 (Cr-Mo), F316 (SS)
Disc Material 13%Cr, Stellite 6, Inconel 625
Spring Material Inconel X-750 (high-temp)
Seat Type Metal-to-metal

Medium

gas, Natural gas, oil, petroleum, steam

Working conditions

chemical plant, metallurgical plant, mining industry, Petrochemical industry, pharmaceutical factory, power plant

Summarize

With its specialized vertical design, exceptional pressure performance, and extended service life, this product stands as the optimal choice for fluid control in high-temperature, high-pressure vertical pipelines. Compared to similar products, it offers faster response, higher pressure rating, and longer maintenance intervals – delivering outstanding value for critical applications.

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