Basic specification for the cooling system hoses
Operating temperature: – 30°C to + 70°C
Maximum relative operating pressure: 500 mbar
Resistant to the following liquids:
• Electrolyte KOH (solution at 400 g/l)
• Oil 75 W 80
• Brake flluid
• Lead-free gasoline
• Cooling liquid
• Vaseline
Elasticity test: 4 000 cycles at + 20°C, relative pressure: 0 – 500 mbar
After pressure cycle, verification of tightness at relative pressure of 300 mbar between – 30°C and + 70°C
Base material: Elastomer EPDM (“all rubber”, without internal reinforcement)
Resistivity: 10
6
Ω.
cm, as per ASTM D257
Recommended dimensions for sleeveless connection to monoblock nozzle:
•
∅
inside 7
+ 0.2
– 0.3
•
∅
outside 11.6 ± 0.5
Visual: No color requirements specified
The inside of the hoses must be perfectly smooth to avoid leaks when fitting the hose on
the connecting nozzles.
Appendix 7
26
Summary of Contents for STM 5-100
Page 1: ...Technical manual installation operation and maintenance for Ni Cd STM MR MRE monoblocks type ...
Page 23: ...Appendix 1 20 Monoblock STM 5 100 MR G RD equipped Positive left Filling right ...
Page 24: ...21 Appendix 2 Monoblock STM 5 100 MRE G RD equipped Positive left Filling right ...
Page 25: ...Appendix 3 22 Monoblock STM 5 140 MR G RD equipped Positive left Filling right ...
Page 26: ...Appendix 4 23 Monoblock STM 5 140 MR D RG equipped Positive right Filling left ...