Klamflex - The experts in pipe fitting manufacture for worldwide distribution
Technical Data
>> Working Pressure
>> Expansion & Contraction
>> Temperature
>> Shear Strength
  >> Recommended Bolt Torque 
>> Pipe End Preperation 
>> Angular Deflections
  >> Lateral Displacement
  >> Ground Settlement
  >> Setting Gaps
>> Product Storage
  >> Cathodic Protection
>> Anchoring / Supporting Pipes
 
>> Fitting Instructions Up to
300m
 
>> Fitting Instructions Above 300mm
  >> Fitting Ranger Products
  >> Material Specifications
 
NEWS FLASH
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Special Ended Fittings

KLAMFLEX Special Ended Steel Fittings are available in various fitting combinations, such as Bends, Tees, Reducers, and Crosses. These fittings are manufactured by welding a KLAMFLEX Half Coupling to the ends of a steel fitting. Bolts are used in the coupling joint; this ensures easy replacement of damaged fasteners. KLAMFLEX makes use of a profile plate that is welded to the steel fitting or lugs that are welded to the coupling sleeve to accommodate the tightening process. With either option only one weld is required to fit the half coupling to the fitting. We offer the dedicated sleeve type or ranger sleeve type arrangement. Installation is effected by simply inserting the plain ended pipe into the KLAMFLEX Half Coupling and tightening the studs. The use of these fittings will result in significant cost savings and ease of installation, as only one piece of equipment is being purchased, instead of separate fittings and coupling.

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High Pressure Couplings

KLAMFLEX is currently undertaking an exercise on the design of the existing dedicated product range of Couplings, Flange Adaptors and Dismantling Joints that will enable Klamflex to supply high pressure items, in excess of a rating of 40 bar. This would include pressure diameter ratios of 50 Bar up to 2000nb, 64 Bar up to 1600nb and 100 bar up to 1400nb. Where necessary component material will be upgraded with regards to the mechanical and chemical composition as well as thicker sections would be used, to achieve the above.

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ANGULAR DEFLECTION

Each Coupling will allow for a setting angularity α as follows:

Coupling Size mm Angle Inclination
Up to 457 OD ±6º 1 in 10
Over 457 to 610 OD ±5º 1 in 12
Over 610 to 762 OD ±4º 1 in 15
Over 762 to 1219 OD ±3º 1 in 20
Over 1219 to 1829 OD ±2º 1 in 30
Over 1829 OD ±1º 1 in 60
Flange Adaptors will allow for a setting angularity of half the above figures.

The above schedules should only be used when the pipes will not move in service. For other conditions we recommend working to half these figures to allow for in-service flexibility.

The ability of a Coupling to accommodate angular deflection on installation and in service enables it to be used in the following valuable ways:

  1. Take up minor misalignment in straight pipes e.g. at closing lengths
  2. Lay pipes to long radius curves without special bends
  3. Absorb large amounts of expansion movement at right angles to the pipelines
  4. Accommodate ground settlement.

 
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