BRAY ABSPERRKLAPPEN SERIE 31

Supply Chain Policy Partnership. Flange locating holes shall be provided on wafer bodies to allow for quick and precise alignment during valve installation. Cv is defined as the volume of water in U. Other materials are available. French German Portuguese Spanish. Extended neck length allows for 2″ of piping insulation and is easily accessible for mounting actuators. Double “U” cup seal design is self-adjusting and gives positive sealing in both directions and prevents external substances from entering the stem bore.

The seat also features a molded O-ring which eliminates the use of flange gaskets. Please consult your local Bray representative for your specific condition. Flange hole drilling per international flange standard as specified. Polyester coating for excellent corrosion resistance. Language English Imperial English Metric. Cv is defined as the volume of water in U. Disassembly of the Bray stem is just a matter of pulling the stem out of the disc.

Other materials are brah. Disc edge and hub on metal discs shall be spherically machined and hand polished for minimum torque and maximum sealing capability.

Shall be one-piece lug design with extended neck to allow for 2″ of piping insulation. Bray’s Series 20 valve is a wafer version with flange locating holes, and the Series 21 is the companion lug version for dead-end service and other flange requirements.

External disc-to- stem connections such as disc screws or pins are not allowed. California Transparency in Supply Chains Act.

Series 31 – Pneumatic Positioner

Language English Imperial English Metric. Double “U” cup seal design is self-adjusting and gives positive sealing in both directions.

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Dead-End Service No downstream flanges and disc in closed position: California Transparency in Supply Chains Act. Flange hole drilling per international flange standard as specified. Chemical Resistance — resists a broad range of chemicals including: Item Name Material Qty. Skip to navigation Skip to content. These seals prevent line media from coming in contact with the stem or body. Other materials are available.

Industries Quality Design Certifications. This design eliminates the need for exposed absperrk,appen retention components, such as disc screws, to the line media which commonly results in leak paths, corrosion, and vibration failures.

The disc edge is spherically machined and hand polished to produce a bubble-tight shutoff, minimum abspereklappen, and longer seat life. By navigating this site or clicking OK, you consent to the use of cookies on your device as described in our Privacy Notice. The retaining ring may be easily removed with a standard hand tool.

Casting is spherically machined and hand polished to provide a bubble-tight shut off, minimum torque, and longer seat life. No field adjustment shall be necessary to maintain optimum field performance.

California Transparency in Supply Chains Act. These seals prevent line media from coming in contact with the stem or body. Primary Seal is achieved by an interference fit of the molded seat flat with the disc hub.

DISC B Casting is spherically machined and hand polished to provide a bubbletight shut off, minimum torque, and longer seat life. This site uses cookies to enhance your experience. Disassembly of the Bray stem is just a matter of pulling the stem out of the disc.

Due to wear and corrosion, disc screws often require difficult machining for disassembly. Stem shall be mechanically retained in the body neck and no part of the stem shall be exposed to the line media. Shall be one-piece design Disc to stem connection shall be and internal double “D” design with no possible leak paths in the disc-to-stem connection.

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Bray: High Pressure Resilient Seated Butterfly Valve – Series 31H

Wafer, Lug Temperature Range: By navigating this site or clicking OK, you consent to the use of cookies on your device as described in our Privacy Notice. A thermoplastic produced from a vegetable base, this coating is inert to fungus growth and molds. Please consult your local Bray representative for your specific condition.

The Bray polyester coating is a hard, gloss red finish. Flange hole drilling per international flange standard as specified. These seals prevent line media from coming in contact with the stem or body. World Locations United States. No field adjustment shall be necessary to maintain optimum field performance. Nylon 11 coating srrie excellent corrosion resistance is standard for brxy valves and available on larger sizes upon request.

Using materials reference to the site is required. Position the disc in the partially open position, maintaining the disc within the body face-toface.