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Cylinder valve In-line K44
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2026 February
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1. Only holders of a valid Interspiro Service Certificate may carry out
service and repairs on Interspiro breathing equipment. Unauthorized
service may result in malfunction and users relying thereon could
sustain severe respiratory injury or death.
2. When using the spare part list always refer to the equipment's Service
manual in regard to procedures and handling of the spare parts
assembly and function.
3. Changes to this document – necessitated by typographical errors,
inaccuracies of current information or improvements and changes of
equipment – may be done at any time and without prior notice. Always
refer to the Interspiro webpage for the latest version.
4. The description defines if the spare part is a multi-pack,
e. g. "10 x 336100437" indicates that this is a multi-pack
that consists of 10 pieces of the single component 336100437.
The single component part number 336100437 can not be ordered,
it is only used to label parts included in service kits.
5. The service kits contain replacement items used for preventive
maintenance.
6. Always refer to the Interspiro webpage for product and document
updates and important notices.
| Position | Item number | Description |
| 1 |
0172.11.149-S1
|
Hand wheel, no ratchet, black
|
| 2 |
0440.14.0-S3
|
Service kit for K44 valve with ratchet
|
| 3 |
0440.24.0-S6
|
Sealing system for K44 standard handwheel
|
| 4 |
336190634
|
O-ring, 10 x 331900090
|
| 5 |
97862-51
|
Pressure indicator, 300 bar
|
| 6 |
0172.11.181.0-S10
|
Ratchet Handwheel set, blue for K44, K623-3
|
| 7 |
0172.11.181.0-S9
|
Ratchet Handwheel kit, short black
|
| 8 |
35751-51
|
VTI Spare part. Countersunk screw, M5x12.
|
| 9 |
97399-51
|
Burst disc plug
|
| 10 |
97740-51
|
Burst disc - Nickel cap
|
| 11 |
0172.11.149-S1
|
Hand wheel, no ratchet, black
|
| 12 |
0172.11.202-S15
|
Handwheel, black with push buttons
|
| 13 |
0172.11.202-S25
|
Handwheel, red with push buttons
|
| 14 |
0172.6.163
|
VTI spring cup for ratchet handwheel
|
| 15 |
0172.6.208
|
Cover
|
| 16 |
336890101
|
Nut 5-pack Replaces 331900334
|
| 17 |
0172.11.149-S5
|
Handwheel kit, no ratchet, blue
|
| 18 |
0172.11.175-S5
|
Handwheel, double winged, blue
|