Pipe in pipe system


ESBE series VTR801 is a pipe in pipe system for use with ESBE circulation sets VTR300 intended for Potable water Hot-Circulation applications with tank without circulation connection.

Product range

VTR801, internal thread

VTR801 front_A-01.png
Art.no. Reference Connection E Connection F Connection G A [mm] B [mm] C [mm] D [mm] Weight [kg]
31405010 VTR801 Rp 1" G ¾" G 1" 404 244 275 75 1,35
Installation support

Installation examples

Installation examples


Technical data

Technical data

Pressure class: PN 10
Working pressure: 1,0 MPa
Pipe: PE-Xc, Ø8x1 mm, length: 1,5 m
Media temperature, max. continuously: +95 °C
Media temperature, max. temporarily: +110 °C
Media temperature, min.: 0 °C
Material, Pipe PE-Xc: PE-HD, without EVOH-Barrier layer
Material, T-piece and other metal parts with fluid contact: CUPHIN, Stainless steel
Connections, Internal thread (Rp): EN 10226-1
Connections, Internal thread (G): ISO 228/1


PED 2014/68/EU, article 4.3 /
SI 2016 No. 1105 (UK)
See certificate
ÜA R-15.2.4-22-17605 (AT)
Download area

Download area

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Data sheet VTR800 download
Installation instruction VTR800 download
Image VTR801, high res download