Check Valve

Durable flanged lift check valve in cast steel or stainless steel. Prevents backflow for water, steam, oil, and nitric acid. Features automatic operation, low maintenance, and energy efficiency. Ideal for industrial piping systems.

Durable QT450 ductile iron swing check valve for water pipelines. Prevents backflow and water hammer. Features metal sealing, flange connection, and automatic operation. Suitable for horizontal installation at pump outlets. Reliable, energy-saving, and economical.

JGPV H44H-150LB flanged silent check valve with 150LB pressure rating prevents backflow in industrial applications. Features flapper valve mechanism, silent operation, and robust construction for water supply, oil & gas, chemical processing, and HVAC systems. Available with 14-day delivery and flexible payment options.

Industrial-grade vertical silent check valve designed for reliable backflow prevention in water pipelines and industrial systems. Features 150LB pressure rating, silent operation, and durable construction. Available with competitive pricing starting at USD 29.9 per set, 14-day delivery, and comprehensive technical support.

Industrial-grade ductile iron check valve with 150LB pressure rating for sewage pipeline applications. Features reliable backflow prevention, multiple valve configurations, and robust construction suitable for water treatment plants, oil refineries, and chemical processing facilities. Available with competitive pricing starting at $29.90 per set and 14-day delivery.

Industrial-grade 150LB check valve featuring one-way flow control and backflow prevention. Enhanced with security access control measures and compatible with openresty web server environments. Includes Web Application Firewall integration, installation support, and 14-day delivery. Ideal for water treatment, chemical processing, and power generation applications.

Professional stainless steel dual plate wafer check valve with 150LB pressure rating. Designed for industrial applications including oil & gas, water treatment, and chemical processing. Features ANSI GB standard compliance, corrosion resistance, and reliable backflow prevention. Available from 1 set minimum order with 14-day delivery.

Industrial-grade stainless steel lift check valve with 150LB pressure rating and flange connection. Features corrosion-resistant construction, leak-proof design, and fast response times. Suitable for water treatment, chemical processing, oil & gas, and HVAC applications. Available with 14-day delivery and flexible payment options.

Brass horizontal threaded check valve prevents backflow in water systems. DN50-300, PN1.0-2.5 MPa. Compact design, low fluid resistance, easy maintenance. ISO9001/ISO14001 certified, 18-month warranty. Thread options: G, NPT, BSPT. Ideal for pump discharge and bypass pipes.

Integrates globe, check, and balance valve functions. Silent closing via spring-preclosed disc. Nitrile gasket ensures zero leakage. Stainless steel spring resists corrosion. Supports horizontal/vertical installation. ISO certified. Custom options available.

Compact and lightweight wafer check valve prevents backflow automatically. Durable WCB or stainless steel body with customizable disc and spring materials. Ideal for water, steam, oil, and chemical systems. Long service life, easy installation, and reliable performance.

Forged steel swing check valve with bolted, welded, or pressure-self-sealing bonnet options. Features spherical rocker arm connection for 360° disc compensation and leak-free internal swing structure. Suitable for horizontal pipelines. Customizable with metal ring joints or through-weld connections.

Durable swing check valve for water, steam, and oil. Features a built-in rocker arm design with spherical disc connection for reliable backflow prevention. Available in WCB, CF8, CF8M. Suitable for horizontal pipelines in chemical and metallurgical industries.

SS threaded swing check valve prevents media backflow in pipelines. Features short structure, low water hammer, low fluid resistance, and sensitive sealing. Suitable for horizontal or vertical installation. Durable, compact, and easy to maintain.

Durable cast steel swing check valve prevents backflow in pipelines. Features a rocker arm swing structure with spherical disc connection for 360° freedom and trace position compensation. Suitable for chemical, metallurgy, and pharmaceutical applications. Flanged connection, no external leakage points.

Lift check valve with stainless steel overlayed sealing surfaces, designed for horizontal installation. Suitable for chemical, metallurgical, and pharmaceutical industries. Features compact size, light weight, and reliable backflow prevention. Available in standard and non-standard options.

Compact ANSI standard dual plate wafer check valve with 150lb pressure rating and 250℃ temperature capability. Features spring-forced quick closure, zero leakage sealing, and corrosion-resistant stainless steel construction. Ideal for water, steam, oil, and chemical applications in confined spaces.

H44X series ductile iron swing check valve with rubber disc design for water pipelines. Features 1.6MPa pressure rating, 40-350mm diameter range, and 1 million cycle durability. Provides reliable backflow prevention, water hammer protection, and corrosion resistance for pump systems with 30+ year service life.

Industrial-grade soundproof silent check valve made from ductile iron and cast bronze components. Features 50-300mm diameter range, 1.6MPa pressure rating, and stainless steel 304 filter screen. Provides reliable backflow prevention for water pumps with energy-efficient operation, suitable for clean water applications in petrochemical, mining, and irrigation industries.

Professional stainless steel swing check valve with pressure ratings from 1.0 to 10.0 MPa and diameters from 15mm to 300mm. Features quick-closing disc mechanism, low water hammer impact, and reliable sealing for petroleum, chemical, and industrial applications. Made from CF8/CF8M materials for corrosion resistance and durability.