Klamflex - The experts in pipe fitting manufacture for worldwide distribution
Technical Data
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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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DEDICATED FLANGE ADAPTORS

KLAMFLEX Dedicated Flange Adaptors are manufactured to join plain-ended pipe to flanged valves, fittings and pipes, obviating difficulties usually experienced with rigid connections.

KLAMFLEX Dedicated Flange Adaptors are supplied to suit the pressure rating of the flange. The overall pressure rating of the assembled adaptor will be equal to that of the lower rated component, either pipe of flange. KLAMFLEX Restraint Flange Adaptors can also be supplied where end pull out is of concern.

When ordering KLAMFLEX Dedicated Flange Adaptors the following information is required to avoid the possibility of error in flange selections:

  • Pipe outside diameter
  • Nominal bore of the flanged fitting
  • Table drilling with standard applicable

The thickness of KLAMFLEX Flanges will not necessarily be the same as the mating flange due to the fact that the flange of the Flange Adaptor will not be subject to the full end or side thrust. Flanges and Flange Adaptors will not be subject to the full end or side thrust, most of which is absorbed by the flexibility in the rubber gaskets.
Refer to column “T” below.

KLAMFLEX Flange Adaptors can be manufactured with full sleeves to prevent end pullout on PE, HDPE and GRP pipes.
Product Specification
 

 
FLANGE ADAPTORS : STEEL PIPES
FLANGES DRILLED PN10 OR PN16, 1000/3 OR 1600/3 (BS10: A,D,E)
AND ANSI 125/150

NOM BORE mm

PIPE OD mm TOLERANCE
ON PIPE OD
FOR
L
mm 		MINIMUM PIPE
END PREPARED
LENGTH
L
mm 		OD OF END
RING A mm 		FLANGE ADAPTOR LENGTH
B
mm		 TABLE FLANGE THICKNESS
T
mm 		APPROX. MASS kg
50 60.3 +0.8 -0.8 100 134 152 12 3.1
65 76.1 +0.8 -0.8 100 150 102 12 3.4
80 88.9 +0.8 -0.8 100 165 102 12 3.9
100 114.3 +0.8 -0.8 100 191 102 12 4.5
125 139.7 +1.6 -0.8 100 220 104 14 6.5
150 165.1 +1.6 -0.8 100 246 106 16 7.5
150 168.3 +1.6 -0.8 100 246 106 16 7.5
200 219.1 +1.6 -0.8 100 308 106 16 10
250 267 +1.6 -0.8 100 360 109 19 15.5
250 273 +1.6 -0.8 100 364 109 19 14.6
300 323.9 +1.6 -0.8 100 414 109 19 17.3
350 355.6 +1.6 -1.6 150 458 153 23 33.5
400 406.4 +1.6 -1.6 150 509 154 24 39.6
450 457 +1.6 -1.6 150 559 154 24 45.5
500 508 +1.6 -1.6 150 610 155 25 55.6
600 610 +1.6 -1.6 150 712 155 25 70.6
700 711 +1.6 -1.6 150 813 155 25 71.6
800 813 +1.6 -1.6 150 915 155 25 84.4
900 914 +1.6 -1.6 150 1016 155 25 90.1
1000 1016 +1.6 -1.6 150 1118 157 27 118.6
1200 1219 +1.6 -1.6 150 1335 165 35 198
1400 1420 +1.6 -3 150 1536 175 45 275.9
1600 1620 +3 -3 150 1736 190 60 439.1
1800 1820 +3 -3 150 1936 190 60 494.1
2000 2020 +3 -3 150/300 2134 190/290 60 TBA
2000 2023 +3 -3 150/300 2146 190/290 60 TBA
FOR FLANGE ADAPTORS  OF 25 & 40 BAR WORKING  PRESSURE AND LARGER PIPE DIAMETER PLEASE CONTACT KLAMFLEX
THE ABOVE TABLE INCLUDES SAMPLES OF THE SIZES AVAILABLE, PLEASE CONTACT KLAMFLEX FOR ANY OTHER SIZES.

 

FLANGE ADAPTORS: DUCTILE IRON PIPES
FLANGES DRILLED PN10 OR PN16, 1000/3 OR 1600/3 (BS10: A,D,E)
AND ANSI 125/150

NOM BORE mm

PIPE OD mm TOLERANCE
ON PIPE OD
FOR
L
mm 		MINIMUM PIPE
END PREPARED
LENGTH
L
mm 		OD OF END
RING A mm 		FLANGE ADAPTOR LENGTH
B
mm		 TABLE FLANGE THICKNESS
T
mm 		APPROX. MASS kg
100 118 +1.0 -3.0 100 200 102 12 4.5
150 170 +1.0 -3.0 100 260 106 16 7.8
200 222 +1.0 -3.5 100 308 106 16 9.8
250 274 +1.0 -3.5 100 364 109 19 14.7
300 326 +1.0 -3.5 100 414 109 19 17.1
350 378 +1.0 -3.5 150 480 153 23 32
400 429 +1.0 -4.0 150 531 154 24 37.5
450 480 +1.0 -4.0 150 582 154 24 42.9
500 532 +1.0 -4.0 150 634 155 25 52.5
600 635 +1.0 -4.5 150 737 155 25 66.5
700 738 +1.0 -4.5 150 840 155 25 66.5
800 842 +1.0 -4.5 150 944 155 25 77.9
900 945 +1.0 -5.0 150 1047 155 25 82.1
1000 1048 +1.0 -5.0 150 1150 157 27 108.7
1200 1255 +1.0 -6.0 150 1371 165 35 180.3
1400 1462 +1.0 -6.0 150 1578 175 45 244.1
1600 1668 +1.0 -6.0 150 1784 190 60 382.7
1800 1875 +1.0 -6.0 150 1989 190 60 TBA
2000 2082 +1.0 -6.0 150/300 2196 190/290 60 TBA
FOR FLANGE ADAPTORS  OF 25 & 40 BAR WORKING  PRESSURE AND LARGER PIPE DIAMETER PLEASE CONTACT KLAMFLEX
THE ABOVE TABLE INCLUDES SAMPLES OF THE SIZES AVAILABLE, PLEASE CONTACT KLAMFLEX FOR ANY OTHER SIZES.
KLAMFLEX STEPPED
FLANGE ADAPTORS
KLAMFLEX RESTRAINT
FLANGE ADAPTORS
KLAMFLEX Stepped Flange Adaptors can be manufactured where pipe nominal bore is larger (as indicated above) or smaller than flange nominal bore.
KLAMFLEX Restraint Flange adaptors can be manufactured where end pull out is of concern.
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