DESCRIPTION
Thermal insulation blankets are used to cover the heating elements on a heat treatment set up to help ensure the desired temperature is reached, reduce heat losses away from the edge of the heaters, and provide personnel protection.
Cooperknit insulation is a cost effective knitted, silica fibre with many user benefits including reusability, long life and low risk to user health and safety and minimal skin irritation compared with most other high temperature insulating fibres.
GENERAL SPECIFICATIONS
It is recommend that for most heat treatment applications, two layers of 10mm thick Cooperknit are applied.
Independent tests on Cooperknit have shown that no respirable fibres were found in any samples after exposure to 1000ºC for 24 hours.
Cooperknit can be used repeatedly at continuous operating temperatures up to 950ºC without loss of thermal or mechanical properties.
Specifications
Thickness, mm | Width, mm | Length, mm |
---|---|---|
10 | 600 | 7500 |
10 | 300 | 600 |
10 | 600 | 600 |
10 | 900 | 600 |
10 | 1200 | 600 |
10 | 1800 | 600 |
Transformer core
- Three phase, forced air cooled, class H, 50kVA
- Primary winding connected in Delta
- Secondary winding connected in Star
- Auxiliary winding: 110V a.c. 3.3kVA single phase
Primary supply
- Primary voltage: 380V, 415V, 440V
- Primary current: 76A, 70A, 66A
- Frequency: 50/60 Hz
Protection
- Three phase 80A circuit breaker with shunt trip
- Three primary core winding over temperature thermostats linked to circuit breaker shunt trip
Secondary outputs
- Output: 32.5V – 0V – 32.5V (for 30V and 60V heating element operation)
- Auxiliary outputs: Two 110V, 10A, 50/60Hz output sockets
- Number of temperature controlled output channels: 6 channels
- Maximum load per output channel: 8.1kW (e.g. three 60V, 2.7kW heating elements)
- Maximum current per output channel: 135A
Switching
- Six double pole, 180A, contractors with 110V a.c. coil
Temperature control
- Temperature measurement, display and control
- Degrees Fahrenheit or Degrees Centigrade
- Start temperature
- Temperature ramp up and down in degrees per hour
- Hold/soak temperature set point and hold/soak time period setting
Temperature recording
- Ambient temperature: Minus 0˚C to 50˚C
- Humidity: 20% to 80% RH, non-condensing is required (temperature x humidity < 3200)
- Environmental protection: IEC IPSO (front door of panel mounted unit)
- Input points: 12 Points
- Input thermocouple types: Thermocouple inputs- K,
- Reference range: Type K: -200˚C to 1370˚C (-326˚F to 249˚F)
- Printing system: Ink jet system, 6 colour
- Chart Width: 180mm
- Chart Length: Z fold 20m
- Chart Speed: 5 to 300mm per hour
Construction
- Case: 304 Stainless Steel case fitted with four 150mm nylon wheels
Dimensions
- Weight: 355kg
- Case Dimensions:
Height: 1545mm
Width: 680mm
Depth: 665mm