Two-way, unitary water valve with 5/8 in.O.D. and 2.5 Cv capacity

Overview

Single-seated, straight-through, pneumatic valves used for proportional control of unit air conditioners using hot and/or chilled water. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

Features

• Available in normally-open (A models) or normally-closed models (B models).
• Straight-through pattern.
• Rotating actuator for aligning air connection with control air piping.
• Molded replaceable composition disc for tight shut-off.
• Flare tube connections.
• Small physical size.

Product Specifications

Dimensions (in.)

5 3/4 in. high x 5 1/8 in. diameter

Dimensions (mm)

146 mm high x 130 mm diameter

Temperature Range (F)

35 F to 250 F; Maximum Actuator Temperature--160 F

Temperature Range (C)

2 C to 121 C; Maximum Actuator Temperature--71 C

Operating Humidity Range (% RH)

5 to 95% RH

Connection Size (in.)

O.D.: 5/8 in.; Nominal: 1/2 in.

Connection Type

45 deg. SAE flare

Body Pattern

Two-way, Straight-through

Spring Range (psi)

3 psi to 7 psi

Spring Range (kPa)

21 kPa to 48 kPa

Air connections

1/8 in. NPT

Capacity (Cv)

2.5 Cv

Capacity (Kv)

2.16 Kv

Valve Action

Proportional Normally Open

Valve Type

Unitary

Body Pressure (psi)

250 psi

Body Pressure (kPa)

1724 kPa

Maximum Diaphragm Pressure (psi)

25 psi

Maximum Diaphragm Pressure (kPa)

172 kPa

Controlled Fluid

Water

Close-off Ratings at Branch Line Pressure

79 psid (545 kPa) at 13 psi (90 kPa)

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