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Table of Contents
Related Manuals for Bray STM 250-2-47
Summary of Contents for Bray STM 250-2-47
- Page 1 Bray Commercial Division 13788 West Road, Suite 200A Houston, Texas 77041 BCDSales@Bray.com Phone: 1-888-412-2729 www.braycommercialdivision.com © 2022 Bray International, Inc. 08/08/23 STM Ball Valves - 2-Way & 3-Way, 2-1/2" – 4" IOM Manual Shown with optional weather shield...
- Page 2 - The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications, consult the local Bray office. Bray, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.
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Page 3: Qualified Personnel
Installation, Operation & Maintenance Manual Continued Safety Instructions - Definition of Terms Read, Follow and Save these instructions WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. NOTICE Used without the safety alert symbol indicates a potential situation which, if not avoided, may result in an undesirable result or state, including property damage. -
Page 4: Piping Diagrams
Installation, Operation & Maintenance Manual Continued IMPORTANT: In steam applications, install the valve with the stem horizontal to the piping. Failure to follow these guidelines may shorten the life of the actuator. Installation Continued To minimize heat transfer in steam applications, wrap the valve and piping with insulation. Allow at least 4 in. -
Page 5: Setup And Adjustments
Installation, Operation & Maintenance Manual Continued Setup and Adjustments Port A has the flow characterizing disk. Connect Port A to the outlet from the coil. On three-way models, use Port B as the bypass port. Two-way STM Series Ball Valves are fully open when the electric actuator is fully Counterclockwise (CCW) and fully closed when the electric actuator is fully Clockwise (CW). - Page 6 Bolt Hole of Bolt Number Diameter Holes in. mm Cv mm in. mm in. mm lbs kg STM 250-2-47 40.7 STM 250-2-74 64.0 5.50 139 3.50 89 5.71 145 11.42 290 10.25 260 2.05 52 STM 250-2-117 101.2 STM 3-2-74 64.0...
- Page 7 Installation, Operation & Maintenance Manual Continued STM - 3-Way Dimensions — 2-1/2" - 4" Please Reference the Illustration Flow Valve Size Coefficient Number Weight Model Bolt Hole of Bolt Number Diameter Holes in. mm Cv mm in. mm in. mm in. mm in. mm lbs kg STM 250-3-47 40.7 STM 250-3-74...
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