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Environmental & Combustion Controls
V48A2151
Diaphragm Gas Valve, Normally Closed, 3/4 in. NPT pipe size, 1/2 max. psi

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Overview
Solenoid-operated diaphragm valves provide slow opening and fast closing suitable for controlling natural, LP or manufactured gases. They are normally used on atmospheric boilers, commercial water heaters, and rooftop heaters.

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Features

• V48 for line voltage service; V88 for 24Vac service.
• Close firmly with diaphragm that is both weight and spring loaded.
• Two second maximum closing time.
• Valve closes on power failure; recommended for final shutoff service.
• Set opening time with various sized bleed orifices or adjustable bleed valve.
• Use with LP, natural or manufactured gases.
• Made with cast aluminum in straight-through valve pattern.
• Valve position indicator available for 1-1/4 in. V48A2227.
Product Specifications  Back To Top
Description Diaphragm Gas Valve, Normally Closed, 3/4 in. NPT pipe size, 1/2 max. psi
Pipe Size (inch) 3/4 in.
Pipe Size (DN) DN20
Capacity (cfh) 668 cfh
Capacity (m³/hr) 18.9 m³/hr
Pilot Tapping 1/8-27 NPT
Pressure Ratings (psi) 1/2 psi
Pressure Ratings (kPa) 3.4 kPa
Type of Gas Natural
Type of Gas LP
Type of Gas Manufactured
Valve Opening Ti