Check Valves

Check valves - "Cromax" check valve "Idrja" - 2445N | Genebre

Genebre 2445N CROMAX IDRJA – Stainless Steel NPT Check Valve The Genebre 2445N is a stainless steel wafer check valve with a guided disc and return spring. Operation is based on differential fluid pressure; there is no actuator or external control. The 2445N variant differs from the 2445 by using NPT threads per ASME B1.20.1. Construction Body, ends,...

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Swing Check Valve - Cast Steel | Neway

Neway

Neway Cast Steel – Swing Check Valve The Neway Cast Steel swing check valve is designed for industrial liquid and gas pipelines where mechanical prevention of reverse flow is required without the use of an actuator. The disc opens under forward flow and closes automatically when differential pressure decreases or reverses. Manufacturing Range Size: NPS...

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Tilting Disc Check Valve - Cast Steel | Neway

Neway

Neway Cast Steel – Tilted Disc Swing Check Valve The Neway Cast Steel check valve is a swing/swivel disc type, designed for industrial pipelines where reverse flow prevention is required without an actuator. Operation is achieved via process flow and disc gravity. Product data indicates a range of NPS 2"–48" / DN50–DN1200 and pressure ratings ASME Class...

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Swing Check Valve - ASME | Valvosider

Valvosider

Valvosider ASME – Swing Check Valve The Valvosider ASME is a swing check valve with bolted cover, lapped disc/seat, and available in regular or full opening designs. The disc opens by flow and closes when the differential pressure drops or reverses. No actuator is required for operation. Class Ratings and Sizes Class 150: 2"–48", Fig. 470 Class 300:...

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Swing Check Valve - DIN | Valvosider

Valvosider

Valvosider DIN – Swing Check Valve The Valvosider DIN swing check valve is a flanged, non-return valve designed to prevent reverse flow in industrial liquid, steam, or gas pipelines. Operation is automatic: the disc opens with forward flow and closes when differential pressure drops or reverses. No actuator is required. Pressure Classes / Sizes PN16 F6:...

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Swing Check Valve Pressure Seal - ASME | Valvosider

Valvosider

Valvosider ASME Pressure Seal – Swing Check Valve The Valvosider ASME Pressure Seal is a swing check valve designed for high-pressure pipelines. It features a pressure seal bonnet, full bore construction, and lapped disc/seat interface. The disc opens with flow and closes automatically when differential pressure drops or reverses. No actuator is...

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Swing Check Valve Pressure Seal - DIN | Valvosider

Valvosider

Valvosider DIN Pressure Seal – Swing Check Valve The Valvosider DIN Pressure Seal is a swing check valve designed for high-pressure pipelines, pressure classes PN100–PN420. The disc opens with flow and closes automatically when differential pressure drops or reverses. No actuator is used; operation depends on flow, installation orientation, and reverse...

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Piston Check Valve - ASME | Valvosider

Valvosider

Valvosider ASME – Piston Check Valve The Valvosider ASME piston check valve is a straight-through, spring-loaded, bolted bonnet valve designed to prevent reverse flow in ASME piping systems. Operation is based on differential pressure and available flow; no actuator or external control signal is required. The valve closes automatically when flow ceases or...

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Piston Check Valve - DIN | Valvosider

Valvosider

Valvosider DIN – Piston Check Valve The Valvosider DIN piston check valve is a straight-through, non-return valve designed for unidirectional flow in industrial liquid or gas pipelines. Closure is achieved mechanically by the piston and spring, without the need for actuators or external control signals. Pressure Classes and Sizes Available in DIN PN16,...

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Piston Check Valve 90° Angle - DIN | Valvosider

Valvosider

Valvosider DIN 90° – Angle Piston Check Valve The Valvosider DIN 90° is an angle-type piston check valve designed for installation in piping systems where a 90° change in flow direction is required, combined with backflow prevention. Operation is achieved via differential pressure and a return spring; no actuator or external control signal is required....

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Piston Check Valve 'Y' Type - ASME | Valvosider

Valvosider

Valvosider ASME Y-Type – Piston Check Valve The Valvosider ASME Y-Type is a piston check valve with an inclined Y-pattern body, bolted cover, and return spring. The Y-pattern geometry is specified for industrial lines requiring check function with a straighter flow path compared to conventional lift check valves. Operation is based on differential...

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Piston Check Valve 'Y' Type - DIN | Valvosider

Valvosider

Valvosider DIN Y-Type – Piston Check Valve, Oblique Flow The Valvosider DIN Y-Type is a piston check valve with an angled flow path (Y-pattern). The Y-type geometry reduces flow direction changes inside the body compared to straight or lift check valves, minimizing pressure drop. This design is specified for non-return applications in industrial pipelines...

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Lift Check Valve Pressure Seal 'straight' - ASME | Valvosider

Valvosider

Valvosider ASME Pressure Seal – Straight Lift Check Valve The Valvosider ASME Pressure Seal is a straight-pattern lift check valve designed for high-pressure lines. It features a pressure seal bonnet, lapped disc/seat, and integral seat construction. Disc lift is actuated by differential fluid pressure, with return provided by a spring. No actuator is...

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Lift Check Valve Pressure Seal 'straight' - DIN | Valvosider

Valvosider

Valvosider DIN Pressure Seal – Straight Pattern Piston Lift Check Valve The Valvosider DIN Pressure Seal is a straight-through lift check valve designed for high-pressure lines. It features a pressure seal bonnet, piston/disc lift mechanism, and return spring. Operation is automatic, driven by differential pressure across the valve; no actuator is...

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Lift Check Valve Pressure Seal 'Y' Pattern - ASME | Valvosider

Valvosider

Valvosider ASME Pressure Seal Y-Type Piston Check Valve Y-pattern piston check valve for high-pressure ASME piping systems. The valve features a pressure seal bonnet, lapped disc/seat, and integral seat design. Operation is automatic, utilizing differential pressure and spring return; no actuator is required. Class Ratings / Sizes Class 600: 2"–16", Fig....

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Lift Check Valve Pressure Seal 'Y' Pattern - DIN | Valvosider

Valvosider

Valvosider DIN Pressure Seal Y-Type – Lift Check Valve The Valvosider DIN Pressure Seal Y-Type is a lift check valve with an angled (Y-pattern) body, designed for high-pressure piping systems. The Y-pattern positions the piston at an angle to the pipeline axis, reducing abrupt flow direction changes compared to straight lift check valves. Operation is...

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Tilting Disc Check Valve Pressure Seal - ASME | Valvosider

Valvosider

Valvosider ASME Pressure Seal – Tilting Disc Check Valve The Valvosider ASME Pressure Seal is a tilting disc check valve designed for high-pressure pipelines in accordance with ASME standards. The disc rotates with the flow and closes automatically when the differential pressure decreases or reverses. No actuator is required for operation. Pressure...

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Tilting Disc Check Valve Pressure Seal - DIN | Valvosider

Valvosider

Valvosider DIN Pressure Seal – Tilting Disc Check Valve The Valvosider DIN Pressure Seal is a tilting disc check valve designed for high-pressure piping systems. The disc rotates with flow and closes automatically when the differential pressure drops or reverses. Operation is purely mechanical, with no actuator required. Pressure Classes and Sizes PN100:...

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Check Valve - Piston Type Pressure Seal Bonnet | Fluitek

Fluitek Valves

Fluitek – Piston Check Valve with Pressure Seal Bonnet The Fluitek Pressure Seal Bonnet is a piston check valve designed for high-pressure, high-temperature service, typically found in power generation, steam, and process lines. The valve features a Y-pattern body, with the piston lift axis inclined relative to the flow, enabling lift check operation...

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Swing Check Valve - Bolted Bonnet | Fluitek

Fluitek Valves

Fluitek Bolted Bonnet – Swing Check Valve The Fluitek Bolted Bonnet is a swing check valve with a bolted cover, designed to prevent reverse flow in industrial ANSI pipelines. The disc opens with forward flow and closes automatically when differential pressure decreases or reverses. No actuator is required for operation. Standards and Pressure Classes...

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Swing Check Valve - Piggable Bolted Bonnet | Fluitek

Fluitek Valves

Fluitek Piggable Bolted Bonnet – Swing Check Valve The Fluitek Piggable Bolted Bonnet is a swing check valve designed for pipelines requiring pigging, either for periodic internal cleaning or corrosion inspection. The primary requirement is that the check valve does not obstruct pig passage. Construction is specified as full opening per API 6D, ensuring...

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Swing Check Valve - Pressure Seal Bonnet | Fluitek

Fluitek Valves

Fluitek Pressure Seal Bonnet – Swing Check Valve The Fluitek Pressure Seal Bonnet is a swing check valve designed for high-pressure pipelines, typically installed in conjunction with on/off isolation valves. The disc remains open under flow, requiring minimal flow to maintain the open position. When normal flow ceases, the valve closes to prevent reverse...

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Tilting Disc Check Valve - Bonnetless | Fluitek

Fluitek Valves

Fluitek Bonnetless – Tilting Disc Check Valve The Fluitek Bonnetless is a tilting disc check valve, also referred to as an equilibrated disc check valve. The disc remains open under balanced flow conditions and rotates towards the seat when reverse flow occurs. This design aims to reduce slam compared to conventional swing check valves by utilizing the...

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Tilting Disc Check Valve - Pressure Seal Bonnet | Fluitek

Fluitek Valves

Fluitek Pressure Seal Bonnet – Tilting Disc Check Valve The Fluitek Pressure Seal Bonnet is a tilting disc check valve designed for high-pressure pipelines. Also referred to as an equilibrated disc non-return valve, it is typically installed in series with on/off valves to prevent reverse flow in piping systems during flow interruption. Operation Disc...

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