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JP23VS Tied Stainless Steel Flanged Pump Connector (25 Bar Rated)


Tied stainless steel pump connector consisting of multy-ply stainless steel grade 321 bellows assembly and mating surfaces (stainless steel wetted parts) fitted with zinc plated carbon steel van stone oval flanges complete with conical steel washers. Drilled to BS4504 NP25.


Tied Stourflex stainless steel pump connectors are designed to reduce noise and vibration from pumps and reciprocating machinery. They are suitable for use on HWS, L.T.H.W., M.T.H.W., Steam, Gasses and other non ferrous applications.

  • Maximum working temperature 300ºC.
  • Maximum working pressure 25 bar.
  • Stourflex tied stainless steel flanged pump connectors should not be used at both their maximum working temperature and pressure respectively.
  • Maximum test pressure = 1.5 x working pressure or 1.5 x flange rating, whichever the lower.


Stourflex are now able to offer a tailor made flexible lagging jacket to help reduce heat losses on LTHW systems and heat gains & condensation on CHW systems. Please ask for pricing or more information.

Certificate No: 1609317

Download data sheet
JP23VS hose pump

our technical specifications

Our JP23VS Tied Stainless Steel Flanged Pump Connector (25 Bar Rated) specifications

Part numberN.B. (mm)Installed Length (mm)Axial movement +/-(mm)Lateral movement +/-(mm)Max working pressure (bar)Max cold test pressure

Where vacuum conditions or pressure and temperatures exist above those stated, please check with us the suitability of and effects on service life of Stourflex products.

The JP23VS – 25 Bar comes as standard with conical steel Tie Bar assemblies.

Stourflex Type JP23VS tied stainless steel flanged pump connectors are available with stainless steel 321 internal flow sleeve on request.

Alternative flange materials and drillings are available on request.

Please refer to guidance notes for the correct use and installation of Stourflex tied pump connectors.

Stourflex products should be installed in accordance with our fitting instructions.

Download data sheet