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 Deflection
  >> Lateral Displacement
  >> Ground Settlement
  >> Setting Gaps
>> Product Storage
  >> Cathodic Protection
>> Anchoring / Supporting Pipes
 
>> Fitting Instructions Up to
300m
>> Fitting Instructions Up to
300m
 
>> Fitting Instructions Above 300mm
  >> Fitting Ranger Products
  >> Material Specifications
 
NEWS FLASH
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50 Years in the making

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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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SETTING GAPS

It is generally desirable that adjacent pipe ends do not make contact with each other in service. If there is insufficient gap, particularly on above ground pipes, the pipeline will tend to buckle as temperatures increase. We recommend maximum safe accumulated gaps which should not be exceeded in service. Also given are recommended setting gaps which allow for expansion and contraction or angularity in service.

Consideration of actual temperature movement or deflection conditions may lead to different initial setting gaps.

Where locating plugs are used, the setting gap should be increased by 9,5mm for sizes up to 324mm OD and 12,5mm for sizes above 324mm OD to avoid contact with the plugs.

COUPLING SIZE SLEEVE LENGTH mm RECOMMENDED SETTING GAP
MAX ACCUMULATED GAP mm
COUPLINGS mm FLANGE ADAPTORS mm
≤ 50 83 14   25,5
> 50 102 19 19 38
≤ 300 102 19 19 38
> 300 178 38 32 76
≤1800 178 38 32 76
>1800 178/254 57 32 114
THE MAXIMUM DIMENSIONS ABOVE MUST NOT BE EXCEEDED UNDER ANY CIRCUMSTANCES
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