Two-way, unitary water valve with 1/2 in.O.D. and 1.0 Cv capacity

Overview

Normally open, single-seated, high pressure valve, provides proportional control of hot/cold water in air conditioner and fan coil units. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

Features

• Small size permits installation where space is limited.
• Forged brass, straight-through body with end connections threaded for 45 degrees SAE flare fitting nuts.
• Spring-loaded, self-adjusting, Buna-N "V"-ring packing is replaceable without shutting system down.
• High-temperature rolling diaphragm actuator (aluminum cover) and high-temperature plastic diaphragm retaining cup with integral air connection for 1/4 in. (6 mm) O.D. plastic tubing.
• Integral seat and brass plug with removable composition disc provides equal percentage flow.
• Stainless steel stem, 3/16 in. (5 mm) diameter.

Product Specifications

Dimensions (in.)

4 1/8 in. high x 3 1/8 in. wide

Dimensions (mm)

105 mm high x 79 mm wide

Temperature Range (F)

35 F to 250 F; Maximum Safe Actuator Diaphragm Temperature--230 F

Temperature Range (C)

2 C to 121 C; Maximum Safe Actuator Diaphragm Temperature--110 C

Operating Humidity Range (% RH)

5 to 95% RH

Connection Size (in.)

O.D.: 1/2 in.; Nominal: 3/8 in.

Connection Type

45 deg. SAE flare

Body Pattern

Two-way

Spring Range (psi)

2 psi to 5 psi

Spring Range (kPa)

14 kPa to 34 kPa

Air connections

Push on for 1/4 in. O.D. plastic tubing

Capacity (Cv)

1.0 Cv

Capacity (Kv)

0.86 Kv

Valve Action

Proportional Normally Open

Valve Type

Unitary

Body Pressure (psi)

250 psi

Body Pressure (kPa)

1724 kPa

Maximum Diaphragm Pressure (psi)

30 psi

Maximum Diaphragm Pressure (kPa)

205 kPa

Controlled Fluid

Water

Close-off Ratings at Branch Line Pressure

45 psid at 8 psi

This item has no supplemental files.