Staging Server
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Captive Seal

This range incorporates a seal held captive in a grove, this allows adaptors to be used in similar applications as bonded seals. Available primarily in BSP, but also available with metric threads.

Captive Seal – BS ISO 1179-2 – Pressure Ratings and Torque Values

Thread size Type G Class ADashsizeWorking PressureTightening Torque Nm
Mpabarpsi
1/8″-02
1/4″-0463630915060
3/8″-0663630915090
1/2″-08404005800130
5/8″-10
3/4″-12404005800200
1″-16404005800380
1 1/4″-20252503625500
1 1/2″-24252503625600
2″-32252503625650

DESIGN DETAILS AND SPECIFICATIONS SUBJECT TO CHANGE WITHOUT PRIOR NOTICE – Whilst every effort has been made to ensure the accuracy of the information supplied herein, Burnett & Hillman cannot be held responsible for any errors or omissions (E&OE). Working pressures quoted are taken from the relevant standard and are provided as a guide only.