Series 7000/8000

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Bray 7000/8000 Series Three-Piece Ball Valves

Three-piece ball valves for industrial process piping, with flanged and welded connections

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Bray 7000/8000 Series full-port three-piece ball valves are available with stainless steel or WCB bodies for NPS ¼ to 12 piping. They support threaded, socket weld, butt weld, and flanged connections, with a temperature range of -46°C to 287°C, and can be configured with a range of seat materials and automation accessories. Suitable for industrial process line isolation, remotely interlocked shutoff, and process media lines where fugitive emissions are a concern.

Specifications

Size Range: NPS ¼ to 12 / DN 8 to 300
Body Material: Series 7000: CF8M, Series 8000: WCB
Temperature Range: -50°F to 550°F (-46°C to 287°C)
Maximum Working Pressure: NPS ¼ to 4: 1000 psi CWP (DN 8 to 100: 69 bar); NPS 6 to 12: 400 psi CWP (DN 150 to 300: 27 bar)
Seat Material: RPTFE (standard), TFM 1600, Tek-Fil®, UHMWPE, cavity filler (optional)
Ball Material: CF8M stainless steel
Stem Material: 316 stainless steel
Body Type: 3-piece
End Connections: Threaded ASME B1.20.1 NPT, socket weld ASME B16.11, butt weld MSS SP-72/ASME B16.25, flanged ASME Class 150
Port Configuration: Full port
Design Standard: MSS SP110
Test Standard: API 598, MSS SP72
Face-to-Face Dimension: NPS ¼ to 4: Manufacturer standard; NPS 6 to 12: ASME B16.10
Steam Rating: Up to 425 WSP
Fugitive Emissions Standard: EN ISO 15848-1
Certifications: ATEX, CRN, PED, PE(S)R, TR CU, SIL (all series); NSF 61/372 (Series 7000)

Application scenarios

Automated interlock shutoff circuits

For remote opening and closing, as well as interlock shutoff, in industrial process pipelines. This series features an integrated actuator mounting platform and can be configured with accessories for connection to control systems as an automated on/off valve.

Flow control branch lines requiring control characteristics

For process branch lines that require flow characteristic control based on a ball valve design. This series offers optional control valve inserts and can be configured for control valve applications.

Process media pipelines related to food processing

For process media pipelines related to food processing. The 7000 Series is optionally available with electropolished internal surfaces and NSF 61/372 certification, supporting configurations that require internal surface treatment and compliance with potable water material requirements.

Process media pipelines where fugitive emissions are a concern

For isolating process media pipelines where fugitive emissions from valve sealing areas require attention. This series can be configured with sealing devices for fugitive-emission service and complies with the EN ISO 15848-1 fugitive emissions standard.

Selection points

3-Piece Body Supports In-Line Maintenance

The 3-piece body design supports in-line maintenance and replacement of internal components, helping reduce maintenance costs.

Multiple End Connections for Piping Installation

This series is available with NPT threaded, socket weld, butt weld, and ASME Class 150 flanged end connections, allowing selection based on the piping connection method.

Multiple Optional Seat Materials

RPTFE seats are standard, with TFM 1600, Tek-Fil, UHMWPE, and cavity filler options available for selection according to the media and sealing conditions.

Integrated Actuator Mounting Platform

Series 7000/8000 valves feature an integrated actuator mounting platform for actuator and accessory configuration, facilitating automation integration.

Series 7000 and 8000 Body Material Options

Series 7000 uses CF8M valve bodies, while Series 8000 uses WCB valve bodies. Select the series according to piping material and operating requirements.

Installation & maintenance notes

Verify Operating Conditions Do Not Exceed the Valve's Permitted Temperature and Pressure Range

Before installation and operation, confirm that the actual pressure and temperature are within the permitted range for this series: -46°C to 287°C; maximum working pressure of 1000 psi CWP (69 bar) for NPS 1/4 to 4, and 400 psi CWP (27 bar) for NPS 6 to 12.

FAQ

How do Series 7000/8000 three-piece ball valves support selection among different end connections?

Series 7000/8000 offers multiple end connection options, including threaded, socket-weld, butt-weld, and flanged connections. The specific connection should be matched to the site piping connection method and pressure rating to improve system flexibility. The specific model and connection method must be confirmed based on actual operating conditions.

What components can be replaced during in-line maintenance of this ball valve series?

The three-piece body design supports in-line maintenance and allows component replacement to reduce maintenance and total lifecycle costs. Refer to the actual model and selected configuration for the specific list of replaceable components.

What seat materials are available for Series 7000/8000, and how do they affect selection?

RPTFE is the standard seat material. TFM 1600, Tek-Fil, UHMWPE, and other materials are also available. Selection depends on media characteristics, temperature range, and required sealing life. The specific material selection must be confirmed based on the actual media and operating conditions.

What are the approximate operating temperature and pressure limits for this series, and how can safe operation be ensured?

The temperature range is -46°C to 287°C. Maximum allowable operating pressure varies by valve size and must be confirmed against the size range table. Safe operation requires compliance with engineering design requirements and verification against the parameters of the actual model.

What surface treatments or internal configurations are available for food processing or specific industrial applications?

Optional internal electropolishing is available for food processing, along with cavity filler, control valve inserts, and other accessories to meet specific application requirements. The specific configuration must be confirmed based on the actual model and application conditions.

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