743.7-18-R3/4-B
GN 743.7 Oliepeilglazen
Lt: 1-2 weken Alle maten en varianten van GN 743.7
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Technische fiche
Technische gegevens
- Code
- GN 743.7-18-R3/4-B
- d1
- 18
- d2
- R 3/4
- a
- 9.5
- d3
- 26.4
- d4
- Rp 3/4
- e
- 31
- l1
- 18
- l2
- 8
- l3
- 14.5
- s
- 27
- p
- 1.81
- 49
Types
- Type A: with contrast screen
- Type B: without contrast screen
Body
Brass
CuZn40Pb2
Contrast screen
Technopolymer (Polysulfon)
- temperature resistant up to 100 °C
- Sight glass Float-glass
- O-Ring rubber NBR (Perbunan®)
The conical thread of the oil level sight glasses GN 743.7 makes a metallic seal possible. When tightening the conical male thread R it blocks itself with the appropriate cylindrical female thread Rp.
With the datum plane a the R-male thread has the same thread diameter as the Rp-female thread, so that it can be screwed in by hand. The strong tightening by means of a tool increases the length of engagement and seals the screw connection. Additionally a sealant (hemp or teflon band) is usually used. The R-thread is „roughened“, so that the sealant does not shift when screwing in.
- EPDM O-rings