©Johnstone Supply eCatalog 216

COMMERCIAL CONTROLS Pneumatics

Damper Actuators • Provides pneumatic proportional control of medium to large size dampers in heating and air conditioning systems • 5 PSI spring included with L86-635 and L86 636

Specifications: • Stroke: 3-1/2"

• Maximum operating pressure: 25 PSI • Dimensions: 20-1/2" L x 8" H x 6-5/8" D

Each

Order # Mfg. #

Description

L86-635 MP918A1024 Actuator with External Mounting Bracket and Positive Positioner; 10 PSI Span L86-636 MP918A1057 Actuator with Internal N.C. Mounting Bracket and Positive Positioner; 10 PSI Span

2399.00 2545.00 1199.00 925.00

L86-302 L86-303

MP918B1006 Actuator w/External Mounting Bracket; 3 to 13 PSI

MP918B1030 Actuator Only; 3 to 13 PSI

Unit Ventilator Damper Actuator • Provides pneumatic proportional control • Includes hesitation feature for unit ventilator cycles requiring a minimum percentage of outdoor air Specifications: • Damper load rating: 2.7 sq. ft.

• Stroke length: 2-1/8" to 2", adjustable • Minimum stroke: Pre-set at 33% full stroke; adjustable 0 to 100% • Spring range: 3 to 12 PSI

• Maximum supply air: 25 PSI • Air connections: 1/8" FPT • Dimensions: 4-1/2" H x 6-7/8" D

Each

Order # Mfg. #

L86-301 MP516A1087

3299.00

Damper Actuators • Provides pneumatic proportional control Specifications: • Actuator net force: 21 lbs. @ 20 PSI for L38-515 ; 30 lbs. @ 20 PSI for L38-514 and L38-876 • Stroke: 2.4" for L38-514 and L38-515 ; 3.0" for L38-876

• Maximum supply air: 30 PSI • Air connections: 5/32" for L38-514 and L38 515 • Dimensions: 6-5/16" H x 2-7/16" diameter • L39-876 includes 1/4" barb connector, with clevis and cotter pins

Each

Order # Mfg. #

Spring Range 8 to 13 PSI 5 to 10 PSI 5 to 10 PSI

L38-515 L38-514

MP909D1219 MP909D1227

305.00 299.00 315.00

L39-876 MP909D1441

Pneumatic Coil Valve Actuators • Pneumatic spring return actuators provide proportional control of steam or hot/cold liquids by operating V5011 and V5013 valve assemblies • May be installed after piping valve Specifications: • Maximum supply air: 25 PSI

• Air connections: barbed fitting for 5/32" O.D. plastic tubing • Temperature ratings: operating: 0°F to 140°F; Diaphragm, maximum: 160°F on MP953C series (neoprene diaphragm); 200°F on MP953D series (EPDM diaphragm)

Each

Order # Mfg. #

Description

Spring Range 2 to 7 PSI 8 to 12 PSI 4 to 11 PSI 2 to 7 PSI 8 to 12 PSI 4 to 11 PSI 8 to 13 PSI 4 to 11 PSI

Action

L39-954 L39-955 L39-956

MP953C1000 4-5/8" H x 5” Diameter MP953C1018 4-5/8" H x 5” Diameter MP953C1026 4-5/8" H x 5” Diameter

Direct Acting Direct Acting Direct Acting Direct Acting Direct Acting Direct Acting Reverse Acting Reverse Acting

485.00 515.00 485.00 1199.00 1299.00 1245.00 1345.00 1345.00 109.00 375.00

L86-663 MP953C1067 6-1/2" H x 8" Diameter L86-664 MP953C1075 6-1/2" H x 8" Diameter

L86-631

MP953C1083 6-1/2" H x 8" Diameter

L86-665 MP953D1107 5-5/8" H x 7-1/8" Diameter

L86-632

MP953D1131 5-5/8" H x 7-1/8" Diameter

L39-834 14002040-002 Diaphragm for MP953B, D, F

— — —

— — —

L39-922 L40-762

14003124-002 Diaphragm Repair Kit for MP953B, D, F

312760

Diaphragm for MP953A, C, E

55.00

410

©2023 Johnstone Supply, LLC