Rigid coupling

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Description

Rigid couplings are the standard rigid couplings used in general piping applications where rigidity is required. Rigidity is obtained through puzzle pad closing and grip teeth in the housing that attach to the pipe.

Sizes

DN25 – DN250

Operating pressure

21 bar. Note! Nordic Flow thin wall pipes with the maximum permissible pressure class PN16.

Material Specification

Body: Cast iron ASTM A536 65-45-12
Finish: Red paint RAL 3000 or galvanized (Dacromet)
Gasket: EPDM rubber, temperature range -34 ° C – + 110 ° C
Bolt & Nut: Lock Cap Screw, medium-carbon steel, zinc plated , strength class 8.8

 

Dimensions

DN Vd (mm) D (mm) L (mm) H (mm) C (mm) Bolt Torque (NM) Weight (kg)
25 33,7 55 97 45 73 M10x40 60-70 0,42
32 42,4 63,5 107,5 45 84 M10x50 60-70 0,51
40 48,3 69 114 45 90 M10x50 60-70 0,53
50 60,3 83,6 124 46 102 M10x60 60-70 0,68
65 76,1 98 139 46 115 M10x60 60-70 0,8
80 88,9 114 156 46 132 M10x60 60-70 0,95
100 114,3 142 189 50 162 M12x70 90-100 1,44
125 139,7 170 222 50 192 M12x70 90-100 1,91
150 168,3 198 251 50 222 M12x70 90-100 2,1
200 219,1 260 322 58 282 M16x85 200-230 3,77
250 273 319 393 64 252 M20x110 270-300 6,54

Rigid_P-300x247
Rigid Galv-300x242
rigid Draw 02-209x300
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Couplings-300x247NordicFlow_pipes-300x225