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Strahman 740 Instruction Manual

Line blind valve

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___________________________________________
LINE BLIND VALVE
INSTRUCTION MANUAL
_____ VALVE TYPE 740,750 AND 760_____
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____________________
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Edition le 06/06/06
Révision le 17/07/2014
- 1 -

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Summary of Contents for Strahman 740

  • Page 1 ___________________________________________ LINE BLIND VALVE INSTRUCTION MANUAL _____ VALVE TYPE 740,750 AND 760_____ ___________________________________________________ ____________________ Edition le 06/06/06 Révision le 17/07/2014 - 1 -...
  • Page 2 5.2 – Disassembly of the valve ..............page 4 5.3 – Replacement of stem assembly ............page 5 5.3.1 – For valve type 750 ............. page 5 5.3.2 - For valve type 740 & 760 ..........page 6 6- TABLE 01 & 02 ................page 6 7–...
  • Page 3: Installation

    1 – INSTALLATION  Good field practice should be observed in the alignment of the connecting piping prior to the installation of the Fetterolf Line Blind valve.  The “ CAM-SET” mechanism which seals the spectacle plate of the valve is independent of the bolted body and is unaffected by normal piping loads and strains ...
  • Page 4: Maintenance

     Swing the spectacle plate out of the way and maintain it to extract seal carrier, seal and cam.  For slide spectacle plate  Extract completely the spectacle plate by remove the stop  Clean et brush cam with grease. ...
  • Page 5 • Align the hole in the left-hand actuating disc and insert a drive pin. The valve handwheel should tighten the seals prior to the end of stroke. 5.3.2 – For valve type 740 & 760 • Unscrew the yokes. •...
  • Page 6 / Table 01/ CLOSING TORQUE N.m ( 0.1 m.Kg) PN 16 PN 64 Inch Elastomère PTFE Elastomère PTFE ½ 1-1/2 / Table 02/ TORQUE in N.m ( 0.1 m.Kg) Diamètre Boulon Couple N.m Inch ½ ¾ 1 ¼ 1 ½ 1 1/3 Edition le 06/06/06 Révision le 17/07/2014...
  • Page 7 LINE BLIND VALVE TYPE 760 Edition le 06/06/06 Révision le 17/07/2014 - 7 -...
  • Page 8 LINE BLIND VALVE TYPE 750 Edition le 06/06/06 Révision le 17/07/2014 - 8 -...
  • Page 9 LINE BLIND VALVE TYPE 740 Edition le 06/06/06 Révision le 17/07/2014 - 9 -...
  • Page 10 8 -Additional informations on the actuation of Line Blinds with groove and tongue loosen the Cam System by means of the handwheel (anti-clockwise turns) loosen the seal carrier from the spectacle plate with an appropriate device (steel bar, etc., see photo), on both sides equally between the «...

This manual is also suitable for:

750760