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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.

Product Prices
Package Type Product Base Price($) Order Quantity
U
1 + $245.23
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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 Time 5 sec max
Valve Closing Time 2 sec max
Bleed Tapping 1/8-27 NPT
Power Consumption 9 W
Power Consumption 15 VA max
Current (max amps at rated Vac/Hz) 0.13 amps
Ground terminal Yes
Mounting Upright (horizontal)
Materials (Body) Aluminum
Voltage 120 Vac
Frequency 60 Hz
Operating Temperature Range (F) 32 F to 125 F
Operating Temperature Range (C) 0 C to 52 C
Electrical Connections 6 in. Leadwires
Dimensions (in.) 5 7/16 in. high x 3 13/16 in. wide x 4 5/8 in. deep
Dimensions (mm) 138 mm high x 97 mm wide x 118 mm deep
Body Pattern Straight-through
Approvals, Underwriters Laboratories Inc File No. MH1639, Guide No. YIOZ
Approvals, Canadian Standards Association Certificate No. 158158-2500005576 (Z21.21-CSA 6.5)

Literature and other Resources Download Back To Top
Product Data - (V48A Diaphragm Gas Valves)
Specification Data - (V48A Diaphragm Gas Valves)
Product Data - (V4843A Automatic Diaphragm Gas Valves)
Specification Data - (V4843A Automatic Diaphragm Gas Valves)
Product Data - (V4843B Combination Diaphragm Gas Valve)
Dimensions of V48 and V88 Diaphragm Gas Valves Dimension(LineArt)
Dimensions of V48 and V88 Diaphragm Gas Valves Dimension(LineArt - Web Quality Image)
Diaphragm Gas Valve Dimension(LineArt)
Diaphragm Gas Valve Dimension(LineArt - Web Quality Image)
Diaphragam Gas Valve - Valve Closed Cover Off(Photo_BW - Web Quality Image)
Diaphragam Gas Valve - Valve Closed Cover Off(Photo_BW - Print Quality Image)
Diaphragam Gas Valve - Valve open Cover Off(Photo_BW - Web Quality Image)
Diaphragam Gas Valve - Valve open Cover Off(Photo_BW - Print Quality Image)
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