Brochure

MK-44xx Series, MK4-44xx Series

Specifications

Accessories

Construction

Housing Die cast aluminum.

Diaphragm Replaceable beaded molded neoprene (Part number PNV-2).

Stroke

Linkage Adjustable 1/2 to 3 in. (13 to 76 mm); factory set for 2 in. (51 mm).

Diaphragm Factory set for 1 in. (25 mm).

Nominal Damper Area Actuator sizing should be done in accordance with damper manufacturer’s specifications.

Start point Adjustable. Refer to Description Model Chart.

Spring Retracts actuator crank arm on loss of air pressure.

Maximum air pressure 30 psig (207 kPa).

Ambient temperature limits

Shipping -40 to 160qF (-40 to 71qC).

Operating -20 to 160qF (-29 to 71qC).

Air connections 1/8 in. FNPT.

Mounting

In any position. Mounting bracket, linkage, and connector for 5/16 in. (8 mm) diameter push rod

assembled to actuator.

Dimensions 7-7/16 H x 5-3/4 W x 4-7/8 D in. (189 x 146 x 124 mm).

Model No. Description

AK-42309-500 Positive positioning relay.

AM-111 Crank arm for 5/16 in. diameter damper shaft.

AM-112 Crank arm for 3/8 in. diameter damper shaft.

AM-113 Crank arm for 1/2 in. diameter damper shaft.

AM-115 Crank arm for 7/16 in. diameter damper shaft.

AM-122 Linkage connector straight type.

AM-123 Damper clip.

AM-125 5/16 x 20 in. damper rod.

AM-125-048 5/16 x 48 in. damper rod.

AM-132 Ball joint connector.

AM-161-3 Damper linkage kit (AM-173 crank arm and AM-132 connector).

AM-743 Linkage kit for M-693 Series replacement.

TOOL-095-1 Pneumatic calibration tool kit.

Maintenance Parts

PND-145-104 3 to 8 psig spring.

PND-145-104 5 to 10 psig spring.

PND-145-107 8 to 12 psig spring.

PNV-002 Diaphragm.