The Wilkins 112-F49BR is a fire protection butterfly sprinkler control valve designed to provide reliable system shutoff for maintenance and repair while maintaining supervisory alarm connectivity through integrated tamper switches.

Key Specifications:

• Size: 1 1/2 Inches
• Maximum Working Pressure: 300 PSI
• Notable Certifications: UL Listed, C-UL, FM Approved
• End Connections: Threaded NPT Ends
• Valve Operation: 1/4 Turn Anti-Water Hammer

Other Related Variants:

• 1-F49BR: 1 Inch threaded version
• 114-F49BR: 1 1/4 Inch threaded version
• 2-F49BR: 2 Inch threaded version
• 212-F49BR: 2 1/2 Inch threaded version

Materials:

• Main Body: Bronze ASTM 584 C83600
• Disc: 304 Stainless Steel
• Handwheel: ASTM A216 WCB
• Seat: ASTM D2000 Viton
• Indicator: Powder Metal FD0205 95HT
• Gearbox Housing and Cover: Brass ASTM B16 36000

Typical Installation:

Zurn 112-F49BR Fire Powerball Butterfly sprinkler control valves provide for system shutoff to facilitate repair and maintenance in fire sprinkler systems. The valve can be installed in any orientation in a piping system with standard ASME B1.20.1 NPT threaded pipe and is intended for use with ANSI B36.10 Schedule 40 and/or Schedule 80 pipe.

Standards Compliance:

UL Listed; C-UL Listed; FM Approved; NFPA 13; NFPA 7; ASME B1.20.1 NPT; ANSI B36.10

Features & Benefits:

• Anti-Water Hammer Design: Slow-closing 1/4 turn operation prevents water hammer damage to the sprinkler system during valve operation.
• Integrated Tamper Switches: Dual-switch system signals valve movement from full open position to alarm control panel and auxiliary equipment for enhanced system monitoring.
• Durable Construction: Bronze body with stainless steel disc and Viton seat ensures long-lasting performance rated for 300 PSI maximum working pressure.
• Flexible Installation: Can be installed in any orientation and compatible with standard NPT threaded connections for versatile system integration.

FAQ

Q: What is the purpose of the tamper switches on the Zurn 112-F49BR valve?

A: The tamper switches signal movement of the valve from the full open position to an alarm control panel and auxiliary equipment such as indicating lights or audible alarms, ensuring supervisory monitoring of valve position.

Q: Can the valve be installed in any orientation?

A: Yes, the valve can be installed in any orientation in a piping system with standard ASME B1.20.1 NPT threaded pipe connections.

Q: What type of pipe is compatible with this valve?

A: The valve is intended for use with ANSI B36.10 Schedule 40 and/or Schedule 80 pipe in 1 1/2 inch size.

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