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JP23VS Tied Stainless Steel Flanged Pump Connector


Tied stainless steel pump connector consisting of multiply 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 fully threaded tie bars and rubber top hat washers. Drilled to BS4504 NP16.


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 120ºC when supplied with rubber top hat washers.
  • Maximum working temperature 300ºC when supplied with steel conical nuts and washers.
  • Maximum working pressure 16 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: 1105059

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JP23VS hose pump

our technical specifications

Our JP23VS Tied Stainless Steel Flanged Pump Connector 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.

Tie bar assemblies can be fitted with, rubber top hat, steel conical, or steel mesh washers, to suit application and temperature up to 300°c.

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, Including WRAS approved 25bar rated JP23VS, please contact us for details.

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.

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