Check Valves

Genebre 2455 – Flanged Swing Check Valve PN16 The Genebre 2455 is a swing-type check valve with flanged ends, designed for water lines and compatible liquids where reverse flow prevention is required without the use of an actuator. The disc opens by differential flow pressure and closes automatically when flow decreases or reverses. Construction Body and...

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Dual plate Check valve - BB | Gestra

GESTRA BB DISCOCHECK – Dual Plate Check Valve The GESTRA BB is a wafer-type dual plate check valve designed for installation between flanges. It features two independently moving plates, dual shafts, and four springs. The valve operates without an actuator; closure is achieved via spring force and differential pressure. Suitable for both horizontal and...

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Disc check valve - RK | Gestra

GESTRA RK – Spring-Loaded Disc Check Valve The GESTRA RK is a wafer-type check valve designed for installation between flanges. The disc opens via differential flow pressure and closes automatically by spring force, without the need for an actuator. With a spring, installation is possible in any orientation; without a spring, use is limited to vertical...

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Swing Check Valve - CB | Gestra

GESTRA CB – Wafer Swing Check Valve The GESTRA CB is a wafer-type swing check valve with a short face-to-face dimension, designed for installation between flanges. The disc opens with flow and closes via two spring assists when flow decreases or reverses. No actuator is provided. Variants and Connections CB 24S: DN50–DN300, PN16, flanges EN 1092...

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Gravity Circulation Non-Return Check Valves | Gestra

GESTRA SBO – Check Valve for Gravity Circulation Control The GESTRA SBO 11, SBO 21, and SBO 31 are spring-loaded check valves designed for installation in heating and domestic hot water circulation systems. Their primary function is to prevent unwanted gravity circulation when the pump is off, thereby avoiding undesired thermal flows within the piping...

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Tilting Disc Check Valve - T113AR | Zubi

Zubi T113AR – Tilting Disc Check Valve The Zubi T113AR is a wafer-type tilting disc check valve designed for industrial pipelines where reduced installation length and low pressure drop are required. The disc rotates on an offset shaft and closes automatically when flow decreases or reverses. No actuator is used. Technical Data Sizes: DN40–DN700...

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Swing Check Valve - T114AR | Zubi

Zubi T114AR – Flanged Disc Check Valve The Zubi T114AR is a unidirectional check valve with a two-piece body and a centrally mounted, elastomer-lined disc. It is specified for applications where reverse flow must be prevented in water, chemical, slurry, or abrasive fluid networks, without the need for actuators or external control signals. Technical Data...

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Ball Check Valve - T115AR | Zubi

Zubi T115AR – Ball Type Non-Return Valve The Zubi T115AR is a flanged ball check valve with a self-cleaning geometry, designed for water, wastewater, and low solids-content liquids. The ball rotates during operation, minimizing the risk of solids accumulation on the sealing surface. No actuator is required for operation. Technical Data Connections: PN10...

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Ball Check Valve - T115 - 99AR | Zubi

Zubi T115-99AR – Ball Type Threaded Check Valve The Zubi T115-99AR is a unidirectional ball check valve with internal threads, available in BSP or NPT configurations. The ball is actuated by differential flow pressure and returns to the seat when flow decreases or reverses. No actuator is required for operation. Technical Data Sizes: DN25, DN40, DN50,...

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Rubber-Flex Duckbill Check Valves - RF-DBF Flanged | Cla-Val

Rubber-Flex Duckbill Check Valve Cla-Val RF-DBF The RF-DBF is an elastomeric duckbill-type check valve with flanged connection, designed for backflow prevention in applications where metallic moving parts, shafts, or seats are undesirable. The flange is integrated into the valve body and reinforced with a metal backing ring for direct installation onto...

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Rubber-Flex Duckbill Check Valves - RF-DBF-SB Sloped Bottom | Cla-Val

Cla-Val RF-DBF-SB Sloped Bottom Duckbill Check Valve The RF-DBF-SB is a flanged elastomeric check valve with a sloped bottom, designed for installation on existing pipelines in chambers, outfalls, and vaults where the pipe invert is close to the floor. The eccentric geometry enables drainage at the lowest point and minimizes solids retention. Operation...

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Rubber-Flex Duckbill Check Valves - RF-DBI In-Line | Cla-Val

Cla-Val RF-DBI In-Line Duckbill Check Valve The RF-DBI is an elastomeric in-line check valve designed for pressurized pipelines. It is installed between two pipe flanges and incorporates an integral elastomeric flange gasket, eliminating the need for a separate metallic valve body. Valve selection is based on pipe ID, flange drilling pattern, flow rate,...

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Rubber-Flex Duckbill Check Valves - RF-DBI-IN In-Line | Cla-Val

Cla-Val RF-DBI-IN Slip-In In-Line Duckbill Check Valve The RF-DBI-IN is an elastomeric slip-in check valve designed for installation inside existing pipelines without a flanged valve body. Retention is achieved via an internal stainless steel expanding ring. Valve selection is based on pipe internal diameter, flow rate, line pressure, and backpressure...

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Rubber-Flex Duckbill Check Valves - RF-DBI-LH Low Head Loss In-Line | Cla-Val

Cla-Val RF-DBI-LH Low Head Loss In-Line Duckbill Check Valve The RF-DBI-LH is an elastomeric in-line check valve engineered for low head loss in pipelines where passive backflow prevention is required. The internal duckbill profile folds against the pipe wall under forward flow, providing a near-full flow area for rapid drainage and minimized pressure...

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Rubber-Flex Duckbill Check Valves - RF-DBJ Jacket | Cla-Val

Cla-Val RF-DBJ Jacket Style Duckbill Check Valve The RF-DBJ is an elastomeric duckbill check valve housed within a full metal jacket for in-line pipeline installation. This passive check valve operates via differential pressure: it opens under forward pressure and closes under backpressure, with no actuator, shafts, or hinges required. Construction and...

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Rubber-Flex Duckbill Check Valves - RF-DBO Slip-Over | Cla-Val

Cla-Val RF-DBO Slip-Over Duckbill Check Valve The RF-DBO is an elastomeric slip-over check valve designed for direct installation onto the plain end of existing pipelines. Secured externally with stainless steel clamps, this configuration is primarily used for low inlet pressure applications, such as outfalls, manholes, and non-flanged drainage lines....

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Rubber-Flex Duckbill Check Valves - RF-DBO-SB Sloped Bottom | Cla-Val

Cla-Val RF-DBO-SB Sloped Bottom Slip-On Duckbill Check Valve The RF-DBO-SB is an elastomeric duckbill-type check valve designed for slip-on installation over existing pipe ends. The sloped bottom variant is specified where the pipe invert is positioned low within a chamber, outfall, or manhole, and full drainage without sump volume is required. Operation...

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Swing Check Valve - 501A | Cla-Val

Cla-Val 501A – Wafer Swing Check Valve The Cla-Val 501A is a wafer-type swing check valve designed for installation between ANSI Class 125/150 flanges. The disc opens with flow and closes via a torsion spring, minimizing closure delay during flow interruption. No actuator is required. Technical Specifications Sizes: 2"–30" Pressure rating: 235 psi max...

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Swing Check Valve - 585 | Cla-Val

Cla-Val 585 – Flanged Swing Check Valve The Cla-Val 585 is a full-bore swing check valve designed for water distribution and liquid infrastructure networks. The disc opens with forward flow and closes automatically when flow stops or reverse flow occurs. No actuator is required for operation. Technical Specifications Available sizes: 2" to 48" Working...

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Disc check Valve - 580 | Cla-Val

Cla-Val 580 – Silent Wafer Check Valve The Cla-Val Series 580 is a wafer-type check valve featuring a centrally guided, spring-loaded disc. The return spring closes the disc prior to full reverse flow, reducing slam and hydraulic shock in pump discharge lines. No actuator is required. Construction Sizes: 1" to 10" Pressure class: 125/150 or 250/300...

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Check valves - "Idrja" - 2435 | Genebre

Genebre 2435 IDRJA – Disc Check Valve with Victaulic Ends The Genebre 2435 IDRJA is a spring-loaded, guided disc check valve designed for grooved-end (Victaulic type) piping systems. It is specified for installations requiring backflow prevention in compact piping layouts, where flanged or threaded connections are not feasible. Construction Body,...

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Check valves - "Cromax" check valve "Idrja" - 2440 | Genebre

Genebre 2440 CROMAX IDRJA – Disc Check Valve The Genebre 2440 is a guided disc check valve constructed from stainless steel AISI 304 / 1.4301 with threaded ends ISO 228-1. Operation is achieved via differential fluid pressure and a return spring; no actuator is required. Technical Data Nominal pressure: PN16 Maximum working pressure: 16 bar Opening...

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