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BOA JOTA / KAPPA
Vibration absorbers
BOA JOTA / KAPPA
Stainless steel vibration absorbers, with screws
Thanks to the double-ply corrugated metal hose BOA DUO, the
vibration absorbers type JOTA and KAPPA are perfectly appropriate to absorb engine vibrations.
Application fields:
JOTA: longer version, therefore suitable for bigger vibrations of
lower frequency.
KAPPA: shorter version, therefore applicable when high-frequency
vibrations occur.
Materials:
Corrugated hose
Braid
End rings
Screws
Max. operating temperature: 300°C with malleable cast iron screws
as special version: 450°C with stainless steel screws
stainless steel 1.4571, double-ply
stainless steel 1.4301
stainless steel 1.4301
malleable cast iron, flat sealing,
(special version stainless steel)
DVGW Approval
DVGW Certificate: DG-4602BT0457
up to DN25 pmax: 16 bar admissible
up to DN50 pmax: 5 bar admissible
approved flat gasket: KLINGERsil C-4400 / C-4400 L
(gaskets must be ordered separately)
Dimension
DN
Outside
Thread
Rp
[mm]
[mm]
[“]
Nominal
pressure
PN
[bar]
10
15.6
3/8
25
15
22.5
1/2
25
20
27.9
3/4
25
25
33.4
1
25
32
42.7
1 1/4
25
40
50.7
1 1/2
16
50
63.0
2
16
Type
Nominal length
L
BOA
Item n°
Weight
[-]
JOTA
KAPPA
JOTA
KAPPA
JOTA
KAPPA
JOTA
KAPPA
JOTA
KAPPA
JOTA
KAPPA
JOTA
KAPPA
[mm]
250
170
280
190
310
210
340
230
400
270
450
300
500
340
[-]
M-0001133
M-0001140
M-0001134
M-0001141
M-0001135
M-0001142
M-0001136
M-0001143
M-0001137
M-0002129
M-0001138
M-0001144
M-0001139
M-0001145
[kg]
0.25
0.20
0.45
0.40
0.70
0.55
0.95
0.80
1.60
1.30
2.10
1.70
3.35
2.65
Preferred series: usually available at short term
The three flyers for metal hoses and metal hose assemblies "Technical Information“, „Installation Instructions“ and "Guarantee/ Delivery terms/ Conditions" are integrating part of the present product
information leaflet.
Subject to change
12-09
BOA AG
Station-Ost 1 · CH-6023 Rothenburg · Switzerland
Phone: +4141 289 41 11 · Fax: +4141 289 42 02 · info@boa.ch · www.boa.ch