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Whitco Spring Sash Balance 450500 mm Sash, 345 mm Tube, Up to 6.0 kg (Green Cap), Black W630651

Whitco Spring Sash Balance 450500 mm Sash, 345 mm Tube, Up to 6.0 kg (Green Cap), Black W630651

Original price was: $11.99.Current price is: $9.59.

Availability: In Stock

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Whitco

Whitco Spring Sash Balance 450500 mm Sash, 345 mm Tube, Up to 6.0 kg (Green Cap), Black W630651

A Whitco spring sash balance is a narrow tension-spring and friction-foot balance for aluminium double-hung windows, holding the sash at any height. This unit suits a 450500 mm sash with a 345 mm tube, rated Up to 6.0 kg and identified by a green end cap.

450500 mm sash345 mm tubeGreen capBlackUp to 6.0 kg

Key Features

Narrow tension-spring and friction-foot systemFive weight ranges cater for sash weights up to 22 kgLengths suit sashes from 350 mm to 1100 mm highOil-tempered galvanised carbon steel tension springStainless-steel bow-spring foot with adjustable polymer friction padsTough ABS black polymer outer casingRange of adjustable tension feet to suit different window sectionsShock-absorbing stops availableAustralian made

Specifications

Type Spring sash balance (aluminium double-hung windows)
Sash height range 450500 mm
Tube length 345 mm
Weight rating Up to 6.0 kg
End-cap colour Green
Maximum sash weight 22 kg (range dependent)
Spring Oil-tempered galvanised carbon steel tension spring
Foot Stainless-steel bow spring with adjustable polymer friction pads
Casing Tough ABS black polymer
Tube colour Black
Origin Australian made
Whitco code W630651

How to Choose the Right Balance

1Step 1 Length
Match your sash height to the size chart below to get the tube length.2Step 2 Weight range / end cap
Weigh the sash, or estimate it from the glass thickness (see the guide below), then choose the end-cap colour: Green up to 6 kg, Grey 69.25 kg, Brown 9.2511 kg, Red 1118 kg, Blue 1822 kg.3Step 3 Foot
Choose the friction foot to suit your window section (standard wide, W, J or A&L).

Working Out the Sash Weight

Glass thickness Weight per m
3 mm 7.5 kg/m
4 mm 10.0 kg/m
5 mm 12.5 kg/m
6 mm 15.0 kg/m
Double-glazed 6+6 mm 30.0 kg/m

Multiply the weight per m by the sash glass area (double the figure for double-glazed), then add an allowance for the sash frame. Best practice is to weigh the sash for an accurate result.

Weight Ranges & End-Cap Colours

End cap Sash weight Code ends in
Green Cap Up to 6.0 kg 51
Grey Cap 6.09.25 kg 61
Brown Cap 9.2511.0 kg 71
Red Cap 11.018.0 kg 81
Blue Cap 18.022.0 kg 91

Spring Balance Size Chart

Sash height Tube length
350400 mm 245 mm
400450 mm 295 mm
450500 mm 345 mm
500550 mm 395 mm
550600 mm 445 mm
600650 mm 495 mm
650700 mm 545 mm
700750 mm 595 mm
750800 mm 645 mm
800850 mm 695 mm
850900 mm 745 mm
900950 mm 795 mm
9501000 mm 845 mm
10001050 mm 895 mm
10501100 mm 945 mm
11001150 mm 995 mm

Match your sash height to the row, then choose the end-cap colour for the sash weight (see the weight guide).

Feet & Accessories

Standard wide foot (2.5 mm) W635100
J foot (G. James sections) W635500
A&L foot W635600
W foot W635900
Accessory hook, 325 mm W493100
Accessory hook, 500 mm W492800

How to read the code: W63 [size step] [range]. The range is the last two digits 51 Green (6 kg), 61 Grey (69.25 kg), 71 Brown (9.2511 kg), 81 Red (1118 kg), 91 Blue (1822 kg). The size step sets the sash height and tube length.

10-Year Warranty

Whitco branded products are warranted free of defects in materials and workmanship (including mechanical parts) for 10 years from the date of purchase, under the Australian Consumer Law. Exclusions include normal wear and tear, misuse, improper installation and corrosion from coastal or high-humidity environments. Manufactured by ASSA ABLOY Australia. View warranty terms.In stock. Black is normally held in stock with the supplier. If you need help matching the right balance number, weight range or foot, call Prime Hardware on 1800 329 028.

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