743.7-11-R3/8-B GN 743.7 Oliepeilglazen

743.7-11-R3/8-B

GN 743.7 Oliepeilglazen

Messing / natuurlijk glas, bestendig tot 100 °C
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Lt: 1-2 weken Alle maten en varianten van GN 743.7

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Technische gegevens

Code
GN 743.7-11-R3/8-B
d1
11
d2
R 3/8
a
6.4
d3
16.7
d4
Rp 3/8
e
22
l1
13
l2
6
l3
10.1
s
19
p
1.34
20
743.7-11-R3/8-B drawing

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