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Main line insulating joints (ANSI 150)

Main line insulating joints (ANSI 150)

ANSI 150 joints are insulating joints with welded ends that can operate with working pressure up to 25kg/cm2. The ANSI 150 insulating joints are installed on buried steel pipelines for gas, water and other fluids. The most common application of PN25/ANSI 150 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
temperature		 Electrical insulation
resistance in dry air 		Dielectric
resistance in dry air		 Testing
pressure		 Working
pressure
-10°C + 70° C 10 Mohm 3.0 Kv 38 Kg/cm2  25 Kg/cm2
Download technical sheetspec class pn25_eng
  • Meccanica Segrino - Giunti isolanti per condotte (PN16 e PN25) / Main line isolation joints (ANSI 150)
  • Meccanica Segrino - Giunti isolanti per condotte (PN16 e PN25) - Disegno tecnico / Main line isolation joints (ANSI 150) - Technical Sheet

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

Product Code ND A E C B  L Weight (in Kg)
P015 1/2" 21,3 50 97 36 230  0,8 
P020
 3/4" 26,7 55 96 38 230  1 
P025
 1" 33,4 63 104 42 250  1,2 
P032
 1" 1/4 42,2 74 117 46 280  1,7 
P040
 1" 1/2 48,3 80 121 48 290  2,1 
P050
 2" 60,3 95 125 50 300  2,8 
P065
 2" 1/2 76,1 114 139 52 330  4,5 
P080
  3" 88,9 127  172  56  400  6 
P100
  4" 114,3 153  168  64  400  9 
P125
  5" 141,3 192  213  74  500  14 
P150
  6" 168,3 219  210  80  500  20 
P200
  8" 219,1 273  205  90  500  30 
P250
  10" 273,0 340  290  120  700  57 
P300
  12" 323,9 398  283  134  700  65 

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

Mechanical Features
Spigot: pipe API 5L gr.B seamless or equivalent
Hot forged steel bell: ASTM A 105 or equivalent
Insulating steel gasket: NBR-nithrile/butan
Insulating spacers: polycarbonate
Internal lining: epoxy resin
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  (UNI EN 1594)
Gas distribution network (UNI 9165)
Gas service pipe  (UNI 9860)
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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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