District heating insulating joints

Meccanica Segrino - District heating insulating joints

Insulating joints for district heating are installed on complex, in ground installed pipesystems that convey high temperature fluids. Insulating joints for district heating have mechanical features that differ from other insulating joints: insulating components (ring, spacer and gasket) are made up with materials that can hold temperatures up to 140°C and pressure up to 20 bar.

District heating is a system for distributing heat generated in a centralized location for residential and commercial heating requirements such as space heating and water heating. For the transport of district heating energy a complex, in ground installed pipesystem is required that convey hot water from the central pump to the houses.

Design temperatureElectric resistance in airDielectric test a.c.Dielectric strength a.c.Design pressureTest Pressure
-10°C+140°C>100 Mohm3,5 KV>10 KV25 bar38 bar

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  • Meccanica Segrino - Giunti isolanti per il teleriscaldamento / District heating insulating joints

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

Item IDND**ASEBCLweight (kg)
P032HT1" 1/442,23,5682701153002,60
P040HT1" 1/248,33,6894741133003,5
P065HT2" 1/276,15,00114521393304,5

** ND>12" or higher Nominal Pressure are available on request

Pup ends: Steel API 5L/EN 10208-2 or equivalent
Central body: Steel ASTM A 105-E355 or equivalent
Pup ends to be welded : Steel API 5L/EN 10208-2, Bevels = 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
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Meccanica Segrino - service-line-insulating-pn10
Service line insulating (PN10)
Service line
Meccanica Segrino Main line insulating joints (ANSI 150)
Main line insulating joints (ANSI 150)
Main line
insulating joints
(ANSI 150)
Main line insulating joints (ANSI 300-600)
Main line insulating joints (ANSI 300-600)
Main line
insulating joints
(ANSI 300-600)
District heating insulating joints
District heating insulating joints

District heating
insulating joints

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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