©Johnstone Supply eCatalog 216

COMMERCIAL CONTROLS Pneumatics

AP 331 Pneumatic Damper Actuators • AP 331 pneumatic damper actuators are terminal devices designed to position air dampers for HVAC systems and fire/smoke dampers

• Typical applications are unit ventilators, unit conditioners, outside air dampers or built up sectional dampers • Air connection is 1/8" NPT female with barb connector for 1/4" O.D. poly tubing supplied

Each

Order # Mfg. #

Description

Spring Range 3 to 7 PSI 8 to 13 PSI

Max. Pressure

Effective Area

Actuator Stroke

L38-020 331-4311 #3 Damper Actuator

30 PSI 30 PSI

8 Sq. In. 8 Sq. In.

2-3/8" 2-3/8"

295.00 295.00

L38-021

331-4811 #3 Damper Actuator

EP 265 Electro-Pneumatic Valve • The EP 265 electro-pneumatic three-way valve is electrically operated two position three-way valve designed to control air flow

• Port connections are barbed for 1/4" O.D. poly tubing • Valve can be mounted in any position • Metal junction box for conduit connections

Each

Order # Mfg. #

Description

Volts

Max. Pressure

L38-006 265-1002

EP 265 Valve

120

30

149.00

Repair Parts For 656 and 658 Valves • L38-019 stem packing kit for ten VP 658 valves contains: ten pairs of small O-rings, 20 O-ring retainers, ten pairs of Teflon ® backup rings, ten washers, repacking tool (one piece),

ten packaging rings and ten pairs of large O-rings • L38-018 diaphragm kit for five VP 658 valves contains: five diaphragms, mounting screws to replace those lost or damaged

Each

Order # Mfg. # L38-016 656-736 L38-018 658-166 L38-019 658-167 L38-017 656-601

Description

For Use With

Actuator Diaphragm Kit

5-Pack for 656 Valves Six VP656 Valves Five VP658 Valves Ten VP658 Valves

155.00 149.00 129.00 249.00

Stem Replacing Kit Diaphragm Kit Stem Packing Kit

RC 195 Receiver-Controllers • Control temperatures, humidity and static pressure of mechanical HVAC equipment • Available in single input or multiple input • Produce a pneumatic output signal based on the net pneumatic input and the setpoint, percent proportional band and authority (on multiple input model) settings • Internal replaceable restrictors • Plug-in connectors for supply, control and transmitter inputs • Stick-on scales for set point indication for all available Landis transmitter ranges

• Control action of inputs: Single input model — #1 direct acting; #2 reverse acting; multiple input model — #1 direct acting, #2 reverse acting, #3 reverse acting (for hot water reset) • Transmitter calibration card provided for converting transmitter signal to a 3–15 PSI signal • Control pressure gauge provided on multiple input model • 3–15 PSI input signal • Air connections are barbed for 1/4" O.D. poly tubing

A

B

Each

Fig. Order # Mfg. #

Description

Air Consumption

Max. Pressure

L37-975 L37-976

A B

195-0011 RC 195 Single Input

60 SCIM 60 SCIM

30 PSI 30 PSI

775.00 1145.00

195-0003 RC 195 Multi Input w/ Gauge

TT 184 Temperature Transmitters • TT 184 temperature transmitters sense temperature and transmit a proportional 3–15 PSI signal to a remotely located receiver controller • TT 184 transmitters are available in rigid, remote or averaging bulb configurations for mounting on air handlers • Factory calibrated for excellent linearity and accuracy

Specifications: • Control action: direct acting • Output pressure: 3–15 PSI • Supply air pressure: with a 40 SCIM restrictor, 22 PSI +1.0 - 1.0 • Air consumption: 35 SCIM • Air connection: 1/8" -27 NPT female thread

Each

Order # Mfg. #

Description

Temp. Range Style

L37-977 L37-978

184-0001 Rigid Bulb Trans. 184-0028 Rigid Bulb Trans.

35 to 135 0 to 100

1/4" O.D. x 9" L 1/4" O.D. x 9" L

489.00 489.00 329.00

L37-986 184-119

Copper Well for Rigid Bulb Transmitters

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