User Guide

ManualsBrandsBarber Colman ManualsDampers100 Square In. Damper Actuator (5-10 psig)

TAC

1354 Clifford Avenue

P. O. Box 2940

Loves Park, IL 61132-2940

www.tac.com

APPLICATION

MK-8800 series actuators used to control 2-1/2" through 4"

VB-9000 series valves. MK-8900 series actuators used to

control 5” and 6” VB-9000 series valves.

SPECIFICATIONS

Effective Area: 100 sq. in. (645 cm

Construction:

Housing, Die cast aluminum.

Diaphragms, Replaceable beaded molded neoprene.

Stroke: See table.

Spring: Retracts actuator shaft and raises valve stem on

loss of air pressure.

Nominal Spring Range: See table.

Starting Point: Adjustable ± 1 psi (7 kPa).

Maximum Air Pressure: 30 psig (207 kPa).

Ambient Temperature Limits:

Shipping, -40 to 220°F (-40 to 104°C).

Operating, -20 to 220°F (-29 to 104°C).

Air Connection: 1/8" FNPT.

Valve Linkage: Order separately AV-496.

Valve Stroke Position Indication: 1/8" (3 mm) increments.

Mounting: In any upright position with actuator head above

45° of the center line of the valve body. Actuator head may be

swiveled to any convenient position.

Dimensions: See Table-1.

OPTIONS

None

ACCESSORIES

AK-52309-500 Positive positioner with linkage

Tool-95 Pneumatic calibration tool kit

Table-1 Specifications.

Part Number

Nominal Spring Range

Nominal (no load) spring ranges are based on maximum 1" (25.4 mm) or 2" (50.8 mm) stroke.

Nominal Stroke Dimensions

For Use With

Valve Bodies

psig kPa in. mm in. mm

MK-8801 3-8 21-55 1 25.4

11-3/4 high x

10-1/2 wide x

10-1/2 deep

298 high x 267

wide x 267 deep

2-1/2 – 4”

VB-9213

VB-9223

VB-9313

MK-8811 5-10 34-69 1 25.4

MK-8821 8-13 55-90 1 25.4

MK-8901 3-8 21-55 2 50.8

12-3/4 high x

10-1/2 wide x

10-1/2 deep

324 high x 267

wide x 267 deep

5 & 6”

VB-9213

VB-9223

VB-9313

MK-8911 5-10 34-69 2 50.8

MK-8921 8-13 55-90 2 50.8

MK-8800 Series

MK-8900 Series

Pneumatic Valve Actuators

General Instructions

Figure-1 MK-8800 Series Actuator with Valve Assembly.

Figure-2 MK-8900 Series Actuator with Valve Assembly.

Summary of content (4 pages)

PAGE 1
MK-8800 Series MK-8900 Series TAC 1354 Clifford Avenue P. O. Box 2940 Loves Park, IL 61132-2940 www.tac.com Pneumatic Valve Actuators General Instructions APPLICATION MK-8800 series actuators used to control 2-1/2" through 4" VB-9000 series valves. MK-8900 series actuators used to control 5” and 6” VB-9000 series valves. SPECIFICATIONS Effective Area: 100 sq. in. (645 cm2). Construction: Housing, Die cast aluminum. Diaphragms, Replaceable beaded molded neoprene. Stroke: See table.
PAGE 2
INSTALLATION The actuator is normally shipped assembled to a valve body. These instructions are intended for use where the actuator is to be installed as a replacement unit, or when the actuator must be removed during valve installation. The actuator is generally installed in an upright position and may be swiveled to any convenient position for connection to the control air line. Caution: Do not install the actuator below 45° of the center line of the valve. Removing Actuator from Mounting Bracket 1.
PAGE 3
Removal of Mounting Bracket from Valve Body If it is necessary to remove the mounting bracket from the valve body, remove stem sleeve, indicator plate, locking nut and packing nut. Then remove bracket nut. (See Figure 3). 2. Remove actuator piston sleeve. Slide (2) large washers (1-1/4" O.D. x 9/16" I.D. X 1/8" thick) over the actuator shaft and screw a 1/2"-20 thread hex nut against the washers. 3.
PAGE 4
Copyright 2006, TAC All brand names, trademarks and registered trademarks are the property of their respective owners. Information contained within this document is subject to change without notice. TAC 1354 Clifford Avenue P.O. Box 2940 Loves Park, IL 61132-2940 F-21662-1 www.tac.