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FullSharp · since 1991

Reeved cable/chain pneumatic balancer series

Download PDF spec sheet

Overview

Knight Global reeved air balancers are built for loads above 450 lbs [204 kg], in cable (RKBA) and chain (RKBC) versions. FullSharp represents Knight Global and helps select the model by load and plant air pressure.

Knight’s Reeved Pneumatic Balancer Series is primarily designed for weights exceeding 450 lbs. [204 kg]. Reeving a pneumatic balancer increases the mechanical advantage of the product, and the stroke length is half the length of a standard balancer.

Our reeved pneumatic balancers come standard with a Knight swiveling shackle on a pulley.
When specifying a pneumatic balancer, it is recommended for working loads to use 80% of the operating capacity for lifting applications. This approach compensates for the normal fluctuations within the plant compressed air supply. Working loads include part weight and handling device weight. Balancers are rated at 100 psi [6.8bar] therefore use the following example to calculate exact operating capability.
Formula for pneumatic balancer sizing:
Example: plant air 60 psi, 350 air balancer, 80% load capability (0.60 air supply x 350 lbs. = 210 x .80 = 168 lbs. operating capability).

Reeved Cable Series Model Numbers:
RKBA450-036, RKBA450-055, RKBA700-036, RKBA1000-040 & RKBA1400-027

Reeved Chain Series Model Numbers:
RKBC400-055, RKBC450-033, RKBC700-033, RKBC1000-040 & RKBC1400-026

General Information

Features

  • CE Compliant.
  • Cable or Chain.
  • Hands-Free Operation.
  • Standard “Float” Mode.
  • Internal Centrifugal Retract Control.
  • Requires Non-Lubricated Clean/Dry Air.
  • Max. Balancing Capacity: Up to 1400 lbs. [635kg].
  • Standard Travel: Up to 55 in. [1397mm].

Benefits/Options

  • Optional External Retract Controls.
  • Optional Limit Switches.
  • Optional High Relieving and Feathertouch Controls.
  • Multiple Suspension Kits Available.

Reeved Cable Pneumatic Balancers

Model NumberRated Capacity lbs. [kg]Maximum Travel in. [mm]
RKBA450-036450 lbs [204kg]36 in [914mm]
RKBA450-55450 lbs [204kg]55 in [1397mm]
RKBA700-036700 lbs [318kg]36 in [914mm]
RKBA1000-0401000 lbs [454kg]40 in [1016mm]
RKBA1400-0271400 lbs [635kg]27 in [685mm]

Reeved Chain Pneumatic Balancers

Model NumberRated Capacity lbs. [kg]Maximum Travel in. [mm]
RKBC400-055400 lbs [181kg]55 in [1397mm]
RKBC450-33450 lbs [204kg]33 in [818mm]
RKBC700-033700 lbs [318kg]33 in [818mm]
RKBC1000-0401000 lbs [454kg]40 in [1016mm]
RKBC1400-0261400 lbs [635kg]26 in [685mm]

RKBA SERIES SPECIFICATIONS

Model(A) in. [mm](B) (min.) in. [mm](C) in. [mm](D) in. [mm]Product Weight lbs [kg]
RKBA450-0368 1/2 [216]23 [584]6 1/2 [165]15 1/2 [394]63.6 [29]
RKBA450-05510 3/4 [273]28 [711]10 3/4 [273]16 1/2 [419]94.4 [43]
RKBA700-0368 3/4 [222]28 [711]8 3/4 [222]16 3/4 [426]77.8 [35]
RKBA1000-0409 3/4 [248]28 [711]10 3/4 [273]16 1/2 [419]115.8 [53]
RKBA1400-0279 3/4 [248]28 [711]10 3/4 [273]21 13/16 [554]92.8 [42]

RKBC SERIES SPECIFICATIONS

Model(A) in. [mm](B) (min.) in. [mm](C) in. [mm](D) in. [mm]Product Weight lbs [kg]
RKBC400-0558 1/2 [216]16 1/2 [419]6 1/2 [165]15 1/2 [394]98.8 [45]
RKBC450-03310 3/4 [273]20 1/2 [521]10 3/4 [273]16 1/2 [419]68.4 [31]
RKBC700-0338 3/4 [222]18 1/2 [470]8 3/4 [222]16 3/4 [426]83.4 [38]
RKBC1000-0409 3/4 [248]20 1/2 [521]10 3/4 [273]16 1/2 [419]123.4 [56]
RKBC1400-0269 3/4 [248]20 1/2 [521]10 3/4 [273]21 13/16 [554]98.8 [45]

Videos

*Applications Compilation

*Pneumatic Rotary Union for Air Balancers

*Reeved Cable / Chain Air Balancers

*Standard Balancer VS. External Retract Balancer

Air Balancer Cable Hook Installation

Air Balancer Manifold & Control Handle Installation

Air Balancer Safety Cable Kit Installation

Air Balancer to Rail Installation

Air Balancer Trolley Installation

Suspension Lift Assist

Accessories

General 6
Precision Chain Wear Gauge KSAA1003
KSAA1003Precision Chain Wear Gauge
Weight
0.87 lbs [0.39kg]
DetailsThe KSAA1003 Precision Chain Wear Gauge is used to measure the wear on Knight servo hoists and pneumatic balancers 4mm/5mm galvanized chain.

To view the instructional video, click here or visit Knight's Youtube page.

  • Steel Construction
  • Measures Knight 4mm & 5mm Galvanized Chain Wear.

CAD drawing

Safety Chain Shackle BPA2410
BPA2410Safety Chain Shackle
Weight
2.7 lbs. [1.23kg]
DetailsKnight Global's BPA2410 Safety Chain Shackle connects Air Balancers quickly and securely to fixtures and end effectors. Knight's Shackle features a female clevis for direct connections. The BPA2410 Safety Chain Shackle attaches to Knight pneumatic balancer chains. It is equipped with a connection for a drop stop safety chain.
  • 360 degree rotation.
  • Steel Construction.
  • Connection for Safety Chain.
  • Quick and Secure Connection.

CAD drawing

Pneumatic Balancer Chain Hook BPA2113
BPA2113Pneumatic Balancer Chain Hook
Weight
2.4 lbs. [1.08kg]
DetailsKnight Global's BPA2113 Pneumatic Balancer Chain Hook connects Air Balancers quickly and securely to fixtures and end effectors. The Hook is equipped with a 1 ton capacity Crosby/Bullard® Golden Gate size 2 Pin-Lok Hook with self closing gate and 360° rotational capabilities.

For instructions on installing this hook to Knight's chain, see the video here.

  • (Carbon Steel) Crosby® Bullard Hook w/ Self Closing Gate.
  • Quick and Secure Connection
  • 360 degree rotation.

CAD drawing

Quick Connect/Disconnect BPA2035
BPA2035Quick Connect/Disconnect
Max capacity
700 lbs [318 kgs]
Weight
4.8 lbs. [2.22kg].
Details

The BPA2035 Quick Connect/Disconnect allows for fast connections and disconnections of fixtures and end effectors. Easily disengages by the simple push and twist of the release pin. Each quick disconnect comes with two pins, and can be quickly connected to the load chain.

  • 360 degree rotation.
  • Forged Alloy Steel – Quenched and Tempered.
  • Connection for Safety Chain.
  • Nylon Safety Cover.
  • Quick and Secure Connection.

CAD drawing

Reeved Cable Pulley BPA2065
BPA2065Reeved Cable Pulley
Weight
4.4 lbs. [2.0kg]
DetailsThe BPA2065 Reeved Cable Pulley doubles the balancing capacity of a reeved cable pneumatic balancer.
  • Pulley enclosed with steel safety guard.
  • Available with a bullard swivel hook or a shackle.
  • Used with Knight’s RKBA Reeved Cable Balancers.

CAD drawing

Reeved Chain Pulley BPA2066
BPA2066Reeved Chain Pulley
Weight
6.1 lbs. [2.77kg]
DetailsThe BPA2066 Reeved Chain Pulley doubles the balancing capacity of a reeved chain pneumatic balancer.
  • Pulley enclosed with steel safety guard.
  • Available with a bullard swivel hook or a shackle.

CAD drawing

Load Trolley 6
Load Trolley MRTA7706
MRTA7706Load Trolley
Max capacity
3, 000 lbs. [1, 360kg]
Weight
9 lbs. [4.08kg]
DetailsThe MRTA7706 Load Trolley suspends Knight pneumatic balancers and fixtures from RAD7510 series aluminum rail systems.
  • Fiberglass filled High Impact Nylon Wheels.
  • Side Guide Rollers with integrated bearings.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

CAD drawing

Load Trolley MRTA6106
MRTA6106Load Trolley
Max capacity
1, 600 lbs. [725kg]
Weight
6 lbs. [2.72kg]
DetailsThe MRTA6106 Load Trolley suspends Knight pneumatic balancers and fixtures from RAD6110 series aluminum rail systems.
  • Fiberglass filled High Impact Nylon Wheels.
  • Side Guide Rollers with integrated bearings.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

CAD drawing

Load Trolley MRTA4442
MRTA4442Load Trolley
Max capacity
1, 100 lbs. [499kg]
Weight
5 lbs. [2.26kg]
DetailsThe MRTA4442 Load Trolley suspends Knight pneumatic balancers and fixtures from RAD4110 series aluminum rail systems.
  • Recommended for the optimum Balancer Load Trolley.
  • Fiberglass filled High Impact Nylon Wheels.
  • Side Guide Rollers with integrated bearings.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

CAD drawing

Load Trolley TRT2001
TRT2001Load Trolley
Max capacity
550 lbs. [250kg]
Weight
2 lbs. [0.90kg]
Jib type
TR2000 series
DetailsKnight Global's TRT2001 transfers loads along the horizontal axis and suspends Knight Pneumatic Balancers and Fixtures and Festooning from Knight's TR2000 Series Aluminum Rail Systems.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.
  • Prevents drag on the load trolley.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

CAD drawing

Load Trolley RTA2013
RTA2013Load Trolley
Max capacity
2, 000 lbs. [1, 360kg]
Weight
23 lbs. [10.4kg]
DetailsThe RTA2013 Load Trolley for W-Beams transfers loads along the horizontal axis and suspends Knight pneumatic balancers by the use of the center mounting holes.
  • Travels on a W-Beam, I-Beam and Patented Track.
  • Steel Wheels.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.

CAD drawing

Load Trolley RTA2014
RTA2014Load Trolley
Max capacity
2, 000 lbs. [1, 360kg]
Weight
22.1 lbs. [10.2kg]
DetailsThe RTA2014 Load Trolley for S-Beams transfers loads along the horizontal axis and suspends Knight pneumatic balancers by the use of the center mounting holes.
  • Travels on a S-Beam.
  • Steel Wheels.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.

CAD drawing

Safety Cables 3
Eye Bolt Safety Cable Kit FDA4133
FDA4133Eye Bolt Safety Cable Kit
Lengths
10 ft. [3.048m]
Cable thickness
0.25 in. [6mm]
DetailsKnight Global's FDA4133 Eye Bolt Safety Cable Kit prevents pneumatic balancers or fixtures from separating or falling from the overhead mounted trolleys, end trucks, or hangers in the event of an accident.
  • (4) Crosby® Saddle Clamps
  • (2) Cable Thimbles
  • (2) Eye Bolts
  • (1) Safety Cable made of a carbon steel 7 (strand) x 19 (wires) Galvanized Wire Rope (GWR).

CAD drawing

Safety Cable Kit with Oval Sleeves NICORWA4133
NICORWA4133Safety Cable Kit with Oval Sleeves
Weight
2 lbs. [.91kg]
Lengths
10 ft. [3m.]
Cable thickness
0.25 in. [6mm]
DetailsKnight Global's NICORWA4133 Safety Cable Kit prevents pneumatic balancers or fixtures from separating or falling from the overhead mounted trolleys, end trucks, or hangers in the event of an accident.

Replaces the CAMIRWA4133 Safety Cable Kit.

  • (2) Copper Oval Sleeves
  • (2) Cable Thimbles
  • (1) Safety Cable made of a carbon steel 7 (strand) x 19 (wires) Galvanized Wire Rope (GWR).
Safety Cable Kit RWA4133
RWA4133Safety Cable Kit
Lengths
6 ft. [1.8m]
Cable thickness
0.25 in. [6mm]
DetailsKnight Global's RWA4133 prevents pneumatic balancers or fixtures from separating or falling from the overhead mounted trolleys, end trucks, or hangers in the event of an accident. This safety cable kit is used as Knight's standard kit.
  • Used as Knight’s standard safety cable kit.
  • (4) Crosby® Saddle Clamps
  • (2) Cable Thimbles
  • (1) Safety Cable made of a carbon steel 7 (strand) x 19 (wires) Galvanized Wire Rope (GWR).
Pneumatic Controls 8
Air Connection with Balancer Logic Box
Air Connection with Balancer Logic Box
DetailsCoiled or straight hose management kit controls connection to balancer logic box.
  • Air logic box and bracket.
  • Logic box to balancer air bracket connection hose fitting

CAD drawing

Air Connection with Balancer Mainfold
Air Connection with Balancer Mainfold
DetailsCoiled or straight hose management kit connection to balancer air bracket.
  • Manifold to Balancer Air Bracket Connection to Hose Fitting.
  • Air Manifold and Control Handle.

CAD drawing

Single Balancer Control Module BCS2018
BCS2018Single Balancer Control Module
Max capacity
150 lbs. [68kg].
Weight
2.2 lbs. [0.99kg]
DetailsBalances a single object without requiring the need for a separate pendant control. It allows for a hands free operation while supporting a constant weight at zero gravity. The BCS2018 is ideal for fastening tools and recommended to be used for applications not to exceed 150 lbs. [68kg] (end effector and part).
  • Supports a constant weight at zero gravity.
  • Ideal for balancing fastening tools.
  • Balances a single object without requiring the need for a separate pendant control.
  • Allows for a hands free operation.

CAD drawing

High Relieving Single Balancer Control Modules BCS2090 & BCS2322
BCS2090 & BCS2322High Relieving Single Balancer Control Modules
Lengths
10 ft. [3m]
Hose type
Straight
DetailsThe BCS2090 & BCS2322 High Relieving Single Balancer Control Module are most commonly used for near capacity or heavy weight applications to eliminate the need for a separate pendant and allows for the operator to more efficiently control the balance mode of a heavier part such as a setting fixture.
  • Does not allow for variances in weights.
  • Assists in increasing the air volume.
  • Exhausts the air in a more efficient manner.
  • BCS2090 – Loads under 250 lbs. [113kg].
  • BCS2322 – Loads UP TO 500 lbs. [227kg].

CAD drawing

Feather-Touch Balancer Control BCS2213 & BCS2214
BCS2213 & BCS2214Feather-Touch Balancer Control
Max capacity
100 lbs. [45kg] at 80 psi
Weight
12.4 lbs. [5.64kg].
Lengths
10 ft. [3m]
Hose type
Straight Hose Only
Configuration
Horizontal or Vertical
Details

The BCS2213 and BCS2214 Feather-Touch Air Balancer Control handle is typically used for lightweight applications. This control handle is activated by an up or down movement of the control handle. Knight's Feather-Touch Control handles are available in a Horizontal handle (BCS2213) or Vertical handle (BCS2214) with standard hose lengths of up to 10 ft. [3m] (Straight Hose only).

  • Eliminates the need for a separate pendant.
  • Allows the operator to control the up and down movements close to the part.
  • Horizontal handle (BCS2213)
  • Vertical handle (BCS2214)

CAD drawing

Dual Balancer Control BCS2215 & BCS2323
BCS2215 & BCS2323Dual Balancer Control
Weight
10.2 lbs. [4.63kg].
Lengths
10 ft. [3m]
Hose type
BCS2323: Straight Hose, BCS2215: Coiled Hose
Configuration
(2) Button
Details

The BCS2215 and BCS2323 Dual Air Balance Control unit will support (2) different weights at Zero Gravity. For Lift Assist Devices (LAD) the first weight category is the unloaded assist with no part engaged. The second weight category is the assist with the part secured that it is intended to lift/move.

The weight of the part cannot vary more than +/- 2.5 lbs from the setting point of the regulator or there will be drifting either in the UP or DOWN direction depending on if the weight is more or less of the original set point.

Knights Dual Air Balance Control units are available in a straight (BCS2323) or coiled (BCS2215) hose that comes in standard length of 10 ft. [3Meter].

  • Controls (2) different weights at zero gravity.
  • Pendant buttons control which balance the operator desires.
  • Primarily used in hands free applications where the operator picks up a part and sets it down.
  • Dual balance creates a zero gravity for the end effector with or without a part.
  • Ergonomic Handle Grip.
  • Thumb Lever Guards to protect for inadvertent depressing of control levers.

CAD drawing

Tandem Up/Down Pendant Control BCS2326 & BCS3330
BCS2326 & BCS3330Tandem Up/Down Pendant Control
Lengths
10 ft. [3m]
Handle type
BPA9300
Hose type
BCS3330: Straight, BCS2326: Coiled
Configuration
(2) Button
Details

The Tandem Up/Down Pendant Control is most commonly used to control Tandem Pneumatic/Air Balancers, Knight Global Up/ Down Pendant Control handles. Available in a coiled (BCS2326) or straight (BCS3330) hose that comes in standard lengths up to 10 ft. [3m].

  • (1) BPA9050B Pneumatic Block.
  • 2-way valves used for a single acting air balancer or lift assist that is used for up/ down movement.
  • Ergonomic Handle Grip.
  • Thumb Lever Guards to protect for inadvertent depressing of control levers.

CAD drawing

Up/Down Pendant Control & Manifold Kit BCS3017 & BCS3320
BCS3017 & BCS3320Up/Down Pendant Control & Manifold Kit
Lengths
10 ft. [3m]
Handle type
BPA9300
Hose type
BCS3017: Straight, BCS3320: Coiled
Configuration
(2) Button
DetailsThe BCS3017 & BCS3320 Up/Down Pendant Controls are standard control handles with variable speed control for loading and unloading varying weights. Includes a manifold kit. BCS3017: Straight Hose BCS3320: Coiled Hose
  • (1) BPA9050B Pneumatic Block.
  • 2-way valves for up/ down movement.
  • Ergonomic Handle Grip.
  • Thumb Lever Guards.
  • Manifold kit included.

CAD drawing

Technical documents

Brochure

CAD Drawings

Installation Guides

Manuals

Spec Sheet

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