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Vinnuþrýstingur fyrir lækningagasrör

Mál og vikmörk

OD (mm)Veggur (mm)TemperHámarks vinnuþrýstingsstöng allt að 65oCÞykkt þolÞvermál umburðarlyndi
VondurÞar á meðal Ovality
120.6 (TX)Hálf erfitt63± 10%± 0.04 mm± 0.09mm
120.8 (TY)Hálf erfitt87± 10%± 0.04 mm± 0.09mm
150.7 (TX)Hálf erfitt58± 10%± 0.04 mm± 0.09mm
151.0 (TY)Hálf erfitt87± 13%± 0.04 mm± 0.09mm
220.9 (TX)Hálf erfitt51± 10%± 0.05 mm± 0.10mm
221.2 (TY)Hálf erfitt69± 15%± 0.05 mm± 0.10mm
280.9 (TX)Hálf erfitt40± 10%± 0.05 mm± 0.10mm
281.2 (TY)Hálf erfitt55± 15%± 0.05 mm± 0.10mm
351.0Hard42± 15%± 0.06 mm± 0.07mm
351.2 (TX)Hálf erfitt42± 10%± 0.06 mm± 0.11mm
351.5 (TY)Hard64± 10%± 0.06 mm± 0.07mm
421.0Hard35± 15%± 0.06 mm± 0.07mm
421.2 (TX)Hálf erfitt35± 10%± 0.06 mm± 0.11mm
421.5 (TY)Hard53± 10%± 0.06 mm± 0.07mm
541.0Hard27± 15%± 0.06 mm± 0.07mm
541.2 (TX)Hálf erfitt27± 10%± 0.06 mm± 0.11mm
542.0 (TY)Hard55± 10%± 0.06 mm± 0.07mm
66.71.2 (TX)Hard26± 15%± 0.07 mm± 0.10mm
66.72.0 (TY)Hard45± 15%± 0.07 mm± 0.10mm
76.11.5 (TX)Hard29± 15%± 0.07 mm± 0.10mm
76.12.0 (TY)Hard39± 15%± 0.07 mm± 0.10mm
1081.5 (TX)Hard20± 15%± 0.07 mm± 0.20mm
1082.5 (TY)Hard34± 15%± 0.07 mm± 0.20mm
1331.5 (TX)Hard16± 15%± 0.20 mm± 0.70mm
1592.0 (TX)Hard18± 15%± 0.20 mm± 0.70mm
2193.0 (TX)Hard20± 15%± 0.60 mm± 1.50mm
Vinnuþrýstingur er samkvæmt BS 2871: part1: 1971

Læknisgasrör samkvæmt BS EN 13348

Efni Temper EN 1173Togstyrkur mín. (N/mm2)Lenging mín. (%)hörku (leiðbeinandi) HV5 VPN
R250 (hálf hart)25030 (TX) 20 (TY)75-100
R290 (harður)2903Yfir 100

Stækkun koparrörs

Kopar hefur línulega stækkunarstuðul upp á 17 x 10-6oC. til dæmis mun 10 metra langt koparrör sem flytur heitt vatn við 600C lengjast um næstum 7mm þegar það er hitað upp úr 200C.

Miðað við að hitastig kerfisins sé 200C, verður samfelld stækkunar- og samdráttarhringur upp á 3.4 mm.

vísa til töflu hér að neðan.

HitabreytingTube Lengd
3m4m5m6m7m8m9m10m12m25m
10 °0.5mm0.7mm0.9mm1.0mm1.2mm1.4mm1.5mm1.7mm2.0mm4.3mm
20 °1.0mm1.4mm1.7mm2.0mm2.4mm2.7mm3.0mm3.4mm4.0mm8.5mm
30 °1.5mm2.0mm2.6mm3.1mm3.6mm4.1mm4.6mm5.1mm6.1mm13.0mm
40 °2.0mm2.7mm3.4mm4.1mm4.8mm5.4mm6.1mm6.8mm8.2mm17.0mm
50 °2.6mm3.4mm4.3mm5.1mm6.0mm6.8mm7.7mm8.5mm10.2mm21.0mm
60 °3.1mm4.1mm5.1mm6.1mm7.1mm8.2mm9.2mm10.2mm12.2mm26.0mm
70 °3.6mm4.8mm6.0mm7.1mm8.3mm9.5mm10.7mm11.9mm14.3mm30.0mm
80 °4.1mm5.4mm6.8mm8.2mm9.5mm10.9mm12.2mm13.6mm16.3mm34.0mm
90 °4.6mm6.1mm7.7mm9.2mm10.7mm12.2mm13.8mm15.3mm18.4mm38.0mm
100 °5.1mm6.8mm8.5mm10.2mm11.9mm13.6mm15.3mm17.0mm20.4mm43.0mm
150 °7.65mm10.2mm12.75mm15.3mm17.85mm20.4mm22.95mm25.5mm30.6mm63.75mm
200 °10.2mm13.6mm17.0mm20.4mm23.8mm27.2mm30.6mm34.0mm40.8mm85.0mm
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