Pressure Hoses

Pressure hoses are the internal hoses on which the heating conductors are applied. The used materials  correspond to the demands on temperature resistance, pressure strength and minimum bending radius.


Horst T1 Pressure Hose

T1

Smooth PTFE hose with one braided layer of stainless steel wire (1.4301), max. operating temperature 250 °C

nominal diameter DN 4 6 8 10 12 16 20 25
operating pressure [bar] 275 240 200 175 150 135 100 80
min. bending radius [mm] 50 75 100 120 135 160 200 250

Temperature correction factor for the operating pressure:

100 °C 200 °C 250 °C
0.9 0.8 0.6

Horst T2 Pressure Hose

T2

Smooth PTFE hose with two braided layers of stainless steel wire (1.4301), max. operating temperature 250 °C

nominal diameter DN 6 8 10 12 16 20 25 32 40
operating pressure [bar] 275 250 225 200 175 150 130 70 50
min. bending radius [mm] 75 100 120 135 160 200 250 500 850

Temperature correction factor for the operating pressure:

100 °C 200 °C 250 °C
0.9 0.8 0.6

Horst T3 Pressure Hose

T3

Smooth PTFE hose with two winded and one braided layer of steel wire, max. operating temperature: 250 °C

nominal diameter DN 6 8 10 12 16 20 25
operating pressure [bar] 500 475 475 450 400 300 275
min. bending radius [mm] 60 85 110 150 175 200 240

Temperature correction factor for the operating pressure:

100 °C 200 °C 250 °C
0.9 0.8 0.6

Horst T5 Pressure Hose

T5

Corrugated stainless steel hose (1.4541 or 1.4571) with one braided layer of stainless steel wire (1.4301), max. operating temperature 600 °C

Heating hoses with T5 pressure hose need armatures made of stainless steel.

nominal diameter DN 4 6 8 10 12 16 20 25 32 40 50
operating pressure [bar] 100 150 100 100 65 65 40 50 25 40 25
min. bending radius [mm] 80 80 120 130 140 160 170 190 260 300 320

Temperature correction factor for the operating pressure:

100 °C 200 °C 250 °C 350 °C 550 °C
0.7 0.6 0.55 0.49 0.4
 

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