Fitting assembly | Hydromatik - Connections Par Excellence

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Fitting assembly

Assembly procedure with coupling and nut

Direct Assembly

Simple procedure for single assemblies of small dimensions
Not economic for series assembly
Tube ø30,35,38 and 42mm must be pre-assembled in vice
Stainless steel connection have to be assembled using per-assembly tool (VOMO)

Process 01

Cut the tube at 90°

Process 02

Deburr inside & outside edges (Note: Do not chamfer)

Process 03

Process 03

Process 03

Process 03

Process 03

Lubricate thread and Cone / Nut and Ferrule

Process 04

Slip nut & ferrule over the tube end

Process 05

Ensure nut and ferrule are facing the right direction

Process 06

Screw on Nut Manually until finger tight

Process 07

Mark the Nut & Tube to measure the prescribed turns

Process 10

Assemble fitting until wrench - tight(without spanner extension)
Mark position of nut

Process 8

Tighten the Nut around 1 1/4 and 1 1/2 round (Note: Tube must not rotate)

Process 9

Assemble check:

Loosen nut
Check to make sure that a visible collar covers the front of the first cutting edge
It does not matter if the ring can be rotated on the tube -end

Process 8

Tighten the Nut around 1 1/4 and 1 1/2 round (Note: Tube must not rotate)

Process 10

Assemble fitting until wrench - tight(without spanner extension)
Mark position of nut

Process 11

Then tighten fitting firmly by 30°(1/2flat)
Recommended to use spanner extension for sizes over 20mm O.D (see chart)

Process 11

SPANNER LENGTH

Size	Spanner Length H (mm)
22-L	400
28-L 20-S	500
35-L 25-S	800
42-L 30-S	1000
38-S	1200