Vertical forged steel check valve

Axial flow check valve is suitable for water, oil, steam and gas and other media, widely used in petroleum, chemical, electric power and water supply and drainage systems. Its design is compact, small flow resistance, suitable for high flow, low pressure drop conditions. Working temperature range is generally -29 ℃ to +425 ℃, depending on the material. The main function is to prevent backflow of media to ensure safe operation of the system. The valve body is often made of carbon steel, stainless steel or alloy steel, and the sealing surface is made of wear-resistant material, which has excellent corrosion resistance and sealing performance, adapts to various complex working conditions, is reliable in use and easy in maintenance.

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products

Vertical forged steel check valve

Model: H42H, H42Y

Subtitle：Axial flow check valve

Vertical Forged Steel Check Valves are designed for upward flow piping in high pressure, high temperature applications. Constructed of high-quality forged steel with a spring-assisted flapper, this compact valve closes quickly to prevent backflow in steam, gas, and liquid systems up to Class 2500 (PN420).

Tags:high pressure valve

Classification:Axial flow check valve, Forged Steel Check Valve

Working conditions:metallurgical plant, drugs manufacturing factory, chemical plant, power plants

Product Overview

Main effects

Vertical flow design - optimized for upward flow only (direction of arrow)

High Pressure Capability - DN15-DN50 Pressure Class 2500 (PN420)

Fast shutoff - spring-assisted flap prevents water hammer in small lines

High Temperature Resistance - -29°C to 650°C (-20°F to 1200°F) Service

Zero leakage - metal-to-metal seats (ANSI Class IV), soft seats optional

working condition

Power Plant - Boiler Feedwater Check Valve (Vertical Riser)

Oil & Gas - High Pressure Gas Injection Lines

Petrochemicals - Vertical Reactor Feedwater Protection

Marine - Compact Onboard Piping Systems

Product Advantages

specificities	Our Valves	Standard Check Valves	Swing Check Valve Alternatives
mounting	Vertical mounting only	Horizontal/vertical mounting	Horizontal mounting only
Closing speed	<0.2 sec (spring assisted)	1-2 seconds	0.5-1 seconds
pressure rating	2500 level	1500 level	900 level
water hammer	Can be prevented by a quick shutdown	likelihood	likelihood
safeguard	10 years of service	5-year inspection	3-year inspection

Medium of use

Water/hot water, oils, petrochemical, vapor

working condition

metallurgical plant, drugs manufacturing factory, chemical plant, power plants, petrochemical industry, mining industry

summarize

With its specialized vertical design, superior pressure resistance and long service life, this product is ideal for fluid control in high temperature and high pressure vertical pipelines. With faster response times, higher pressure ratings, and longer maintenance intervals than comparable products, it provides excellent value for critical applications.

Product Parameters

Nominal diameter	DN15-DN50 (½"-2")
Nominal pressure	Class 2500 (PN420)
Applicable temperature	-29°C to 650°C (-20°F to 1200°F)
Valve Material	A105 (CS), F11/F22 (Cr-Mo), F316 (SS)
Valve material	13%Cr, Stellite 6, Inconel 625
Spring Material	Inconel X-750 (high temperature)
Seal Type	hard seal