Products
Conductive (anti static)
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Background:Our standard wheels and castors have a temperature range of 5°C to 60°C (41°C to 140°F). Within this range our products work normally for their full working life. For applications with temperatures outside this range we make specialised high temperature wheels designed to withstand temperatures of baking ovens. |
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High temperature use:The customer must specify the temperature and type of application before ordering to ensure that the appropriate wheel type is selected. As temperatures increase wheels become weaker and this lowers the load capacity. In static (non-moving) applications with sustained high temperatures over long periods of time the material will begin to deteriorate, which shortens the working life of the wheel. Fallshaw make three different wheel types designed specifically for use in high temperature environments. These specialised wheels use standard lithium complex grease (STABUTHERM® GH 461) which has excellent water resistance (24hrs at 90°C), bearing retention and long life. 1) Glass filled Nylon 150 – 210°C (300 to 410°F): The best choice for Hospitality based applications such as ‘food baking’ ovens. It can withstand sustained high temperatures and is gentle and quiet on most floor surfaces. Fibreglass reinforced nylon wheels are the preferred wheel for extended periods of up to 210°C (410°F) (assuming most of their life is spent outside the oven), and for short periods up to 230°C (446°F).
2) Phenolic 100 – 300°C (570°F) Phenolic is more brittle than Glass Filled Nylon and it has a shorter life cycle but can go up to very high temperatures. Phenolic is a good choice for light duty Industrial applications with very high temperatures such as ovens used for curing paint. The load capacity decreases from 125kg at 100°C (212°F) to 40kg at 300°C (570°F) therefore it is very important to ensure that the load capacity of the trolley fits within the appropriate temperature and load capacity. Phenolic wheels (with special inorganic fillers and PTFE bushes) are preferred for extended periods up to 280°C (536°F) assuming most of their life is spent outside the oven and for short periods up to 300°C (572°F). These have a thick cross section, but are more brittle than either nylon or ordinary grades of Phenolic. WARNING: Phenolic wheels are not suitable for medium duty applications or applications where wheels are subjected to impact such as when a trolley is rolled down steps.
3) Cast Iron 200 – 400°C (390 – 725°F): The best choice for Industrial based applications such as ‘paint curing’ ovens and also for use in sustained high temperature environments. It can withstand extreme high temperatures as well as higher load capacities than all other wheel types. Cast Iron wheels do not have bearings. They have a plain bore fitted with an axle spacer that is lubricated with high temperature grease. This grease can be used up to 230°C (446°F) for long periods. For temperatures that exceed 230°C (446°F) a more exotic grease is required. The Production Manager must be notified of this prior to placing the order and the customers required temperature noted on the picking slip once the order is placed. For sustained high temperature use, we offer a range of cast iron wheeled castors used with high temperature grease. WARNING: Cast Iron is heavy, noisy and may damage concrete floors and other floor surfaces. |
Baking Ovens – Food & PaintIn a commercial context, oven baking is a highly repetitive process which means that our wheels are used in baking ovens again and again and again. From the table below you see that in a food baking oven we get temperatures from around 150°C up to 260°C with (occasional) water vapour present. BAKING TEMPERATURE & TIMES (TYPICAL)
OVEN THERMOSTAT DESCRIPTIONS (TYPICAL)
Low temperature use:Below 5°C you must specify temperature of use at the time of ordering. Below 5°C (41°F) wheels begin to stiffen quickly, and will soon freeze the bearings so that neither the castor swivels nor the wheels revolve. If specified at the time of ordering, we use special aeronautical grease which is a synthetic oil with a microgel thickener. This is compounded for use down to -30°C (-86°F), and will need to be refreshed every 6 – 12 months, but will continue to work effectively in chilling rooms, freezing stores and outdoor winter use in northern countries where ordinary greases would be useless. As the temperature becomes lower, the softer rubber and polyurethane treads on our wheels become less elastic. For example, the polyurethane used on the ‘H’ series (i.e HUR100) slowly stiffens from 20°C (68°F) down to -20°C (-68°F), but then rapidly stiffens until at -50°C (-122°F) it becomes brittle. As temperature goes below 5°C (41°F), nylon can become brittle (particularly if it is kept for long periods in the very dry air in freezing rooms). At such times we recommend fibreglass reinforced wheel, which can be used down to -30°C (-86°F). |
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High/Low Temperature
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Bearing Type |
Load Capacity kg / lb |
Diameter x Tread Width mm / inches |
Hub Width x Bore mm / inches |
Fork Options | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Fork Type
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Fork Type
High Temp grease and no seal |
Plate Swivel |
Bolt Hole Swivel |
Plate Fixed |
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| Wheel Only | /MZP Iso plate /MZPN NA Plate |
/MZH | /MZF Iso plate /MZFN NA Plate |
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Nylon glass reinforced
(lighter hub) |
Plain |
70kg @ 150°C
155lb @ 300°F |
75×32
3×11/4“ |
41×12
15/8“x1/2 |
MHH75 | High Temp |
MHH75/MZPHT
MHH75/MZPNHT |
MHH75/MZHHT |
MHH75/MZFHT
MHH75/MZFNHT |
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| Low Temp |
MHH75/MZPLT
MHH75/MZPNLT |
MHH75/MZHLT |
MHH75/MZF
MHH75/MZFN |
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| Plain |
80kg @ 150°C
175lb @ 300°F |
100×32
4×11/4“ |
41×12
15/8“x1/2 |
MHH100 | High Temp |
MHH100/MZPHT
MHH100/MZPNHT |
MHH100/MZHHT |
MHH100/MZFHT
MHH100/MZFNHT |
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| Low Temp |
MHH100/MZPLT
MHH100/MZPNLT |
MHH100/MZHLT |
MHH100/MZF
MHH100/MZFN |
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Cast Iron (high temp) |
Plain |
100kg @ 200°C
220lb @ 390°F |
75×28
3×11/10″ |
41×12
15/8“x1/2 |
DCI75 | High Temp |
DCI75/MZPHT
DCI75/MZPNHT |
DCI75/MZHHT |
DCI75/MZFHT
DCI75/MZFNHT |
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Phenolic (high temp) |
PTFE
(Teflon) Plain |
125kg @ 100°C
275lb @ 212°F 100kg @ 250°C 220lb @ 480°F 40kg @ 300°C 90lb @ 570°F |
100×35
4×13/8“ |
41×12
15/8“x1/2 |
MKT100 | High Temp |
MKT100/MZPHT
MKT100/MZPNHT |
MKT100/MZHHT |
MKT100/MZFHT
MKT100/MZFNHT |
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High/low temperature
|
Bearing Type |
Load Capacity kg / lb |
Diameter x Tread Width mm / inches |
Hub Width x Bore mm / inches |
Fork Options | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fork Type
|
Fork Swivel Librication
High Temperature Grease and No seal |
Plate Swivel |
Bolt Hole Swivel |
Plate Fixed |
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| Wheel Only | /JZP | /JZH | /JZF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Nylon glass reinforced
(heavier hub) |
Plain |
100kg @ 210°C
220lb @ 410°F |
100×32
4×11/4“ |
45×20
13/4“x20mm |
JHH100 | High Temp | JHH100/JZPHT | JHH100/JZHHT | JHH100/JZFHT | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Low Temp | JHH100/JZPLT | JHH100/JZHLT | JHH100/JZF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Cast Iron
(high temp) |
Plain |
230kg @ 400°C
505lb @ 952°F |
100×38
4×11/2“ |
45×20
13/4“x20mm |
JCI100 | High Temp | JCI100/JZPHT | JCI100/JZHHT | JCI100/JZFHT | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Low Temp | JCI100/JZPLT | JCI100/JZHLT | JCI100/JZF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
High/Low Temperature
|
Bearing Type |
Load Capacity kg / lb |
Diameter x Tread Width mm / inches |
Hub Width x Bore mm / inches |
Fork Options | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fork Type
|
Fork Type
High Temp grease and no seal |
Plate Swivel |
Plate Fixed |
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| Wheel Only | /OZP | /OZF | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Nylon glass reinforced
(heavier hub) |
Plain |
200kg @ 210°C
440lb @ 410°F |
150×40
6×19/16“ |
60×20
23/8“x20mm |
OHH150 | High Temp |
OHH150/OZPHT ISO plate OHH150/OZPNHT NA plate Information |
OHH150/OZFHT ISO plate OHH150/OZFNHT NA plateInformation |
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| Low Temp |
OHH150/OZPLT ISO plate OHH150/OZPNLT NA plate Information |
OHH150/OZF ISO plate OHH150/OZFN NA plate Information |
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|
Cast Iron
(high temp) |
Plain |
250kg @ 400°C
550lb @ 725°F |
150×50
6X2″ |
60×20
23/8“x20mm |
WCI150 | High Temp |
WCI150/OZPHT ISO plate WCI150/OZPNHT NA plate Information |
WCI150/OZFHT ISO plate WCI150/OZFNHT NA plate Information |
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| Low Temp |
WCI150/OZPLT ISO plate WCI150/OZPNLT NA plate Information |
WCI150/OZF ISO plate WCI150/OZFN NA plate Information |
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