Main line insulating joints (ANSI 300-600)

Meccanica Segrino - Main line insulating joints (ANSI 300-600)

ANSI 300-600 joints are insulating joints with welded ends that can operate with working pressure up to 100kg/cm2. The ANSI 300/600 insulating joints are installed on buried steel pipelines for gas, water and other fluids. The most common application of ANSI 300/600 insulating joints are gas supply system (UNI EN 1594), gas distribution network (UNI 9165), gas service pipe (UNI 9860) and, more in general, all the buried pipelines that should be protected against corrosion (cathodic protection) no matter the conveyed fluid.

Working
pressure
Electrical insulation
resistance in dry air
Dielectric
resistance in dry air
Testing
pressure
Working
pressure
-10°C + 70° C 5 Mohm 3.0 Kv 150 Kg/cm2  100 Kg/cm2
  • Meccanica Segrino - Giunti isolanti per condotte (PN64-100) / Main line isolation joints (ANSI 300-600)
  • Meccanica Segrino - Giunti isolanti per condotte (PN64-100) - Disegno tecnico / Main line isolation joints (ANSI 300-600) - Technical Sheet

The dimensions reported in the table are in millimeters (mm)

Product Code ND A E C B  L Weight (in Kg)
P015100 1/2" 21,3 60 97 56 250 1,4
P020100
3/4" 26,7 65 96 60 250 1,5
P025100
1" 33,4 68 93 64 250  1,7 
P032100
1" 1/4 42,2 82 115 70 300 2,6
P040100
1" 1/2 48,3 94 113 74 300 3,5
P050100
2" 60,3 108 135 80 350 5
P065100
2" 1/2 76,1 127 130 90 350 8
P080100
 3" 88,9 152 200 100 500 13
P100100
 4" 114,3 176 190 120 500 19 
P125100
 5" 141,3 217 230 148 600 29
P150100
 6" 168,3 248 222 161 600 42
P200100
 8" 219,1 297 215 183 600 62
P250100
 10" 273,0 364 293 202 800 130
P300100
 12" 323,9 430 283  223 800 180

Insulating joints with bigger diameter and working pressure are available on request

Mechanical Features
Pipe Steel Material: Steel API 5L/EN 10208-2 or equivalent
Central body steel material: Steel ASTM A 105 or equivalent
Ends to be welded : API 5L/EN 10208-2
Bevel = 30° +5/-0°
Certificates issued: EN 10204 3.1 and CE compliance


Il 2 GD Zone 1 e 21 d T5 Technical file: A01-MS
main applications
Gas supply system, gas, water or other fluid (oil, etc) distribution network, plant.
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News
27112014
Censis: “32% of Italian water is lost along the distribution network "

Insulating joints are a very important component to reduce the substantial amount of water lost along the water distribution network. Indeed insulating joint avoids that corrosion provokes ruptures of pipes and mainlines resulting in water leaks along the network. 

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