3/4 in. NPT pipe size, normally closed 24Volt diaphragm gas valve.

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.

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

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

Materials

Body--Aluminum

Mounting

Upright (horizontal)

Frequency

60 Hz

Approvals, Underwriters Laboratories Inc.

File No. MH1639, Guide No. YIOZ

Approvals, CSA

Certificate No. 158158-2500005576 (Z21.21-CSA 6.5)

Electrical Connections

6 in. Leadwires

Power Consumption

9 W; 15 VA max

Voltage

24 Vac

Operating Temperature Range (F)

32 F to 125 F

Operating Temperature Range (C)

0 C to 52 C

Current Ratings

0.62 max amps at rated Vac/Hz

Body Pattern

Straight-through

Pressure Ratings (psi)

1/2 psi

Pressure Ratings (kPa)

3.4 kPa

Type of Fuel

Natural; LP; Manufactured

Pipe Size (inch)

3/4 in.

Pipe Size (DN)

DN20

Bleed Tapping

1/8-27 NPT

Pilot Tapping

1/8-27 NPT

Valve Opening Time

5 sec max

Valve Closing Time

2 sec max