Part number cross-reference guide

Instantly cross-reference old to new part numbers for RWO and Deckma marine equipment
Finding the correct RWO or Deckma spare part can be challenging when part numbers change. This comprehensive cross-reference guide helps you identify current part numbers from old reference codes, Pos. numbers, or equipment models. With over 400 genuine parts cataloged, you can quickly find the exact component you need for your RWO oily water separator, sewage treatment plant, or Deckma bilge alarm system.
Quick Benefits:

How to use this part number reference

Start with what you have. Choose a route to the current part number.

I have an old part numberOld number → current number → quotationExplore ＋
  1. Find your old number in Table 1.
  2. Read the New PN and check the description.
  3. Send the current part number for a quotation.
Go to Table 1 →
I have a drawing or modelModel + Pos. number → current partExplore ＋
  1. Find the position number on your equipment drawing.
  2. Match both the equipment model and Pos. number in Table 2.
  3. Check the description, then request a quotation using the New P/N.
Go to Table 2 →
I need help identifying a partNameplate + serial number + photosExplore ＋

Send the equipment model, serial number, nameplate photo and a photo of the existing part. Include any old reference you have.

Request part identification →

Use your browser’s Find on the displayed table rows. Check other pages if needed. Multiple matches? Send your equipment serial number so we can confirm the correct part.

Table 1: old part number to new part number cross-reference

Match an old RWO or Deckma part number to its current reference, then check the description and equipment details before ordering.

Loading all parts for search and sorting…

Old PN
New PN
Description
5906030401
VABLBR305702
2/2 way ball valve 1 1/2"
27
COM 10,0
5906030251
VABLBR339757
2/2 way ball valve 1"
27; 27, 27A; 27A
COM 0,1; COM 0,25; COM 0,5; COM 1,0; COM 2,5; COM 5,0; COM 10,0
5906030151
VABLBR305698
2/2 way ball valve 1/2"
27A
COM 0,25; COM 0,5; COM 1,0; COM 2,5
5906030081
VABLBR305696
2/2 vent valve 1/4"
27A, 59; 59
COM 0,1; COM 0,25; COM 0,5; COM 1,0; COM 2,5; COM 5,0; COM 10,0
5905150001
VABLCI340968
3-way ball valve DN 50 L
55
COM 10,0
5905140001
VABLCI340989
3/2-way ball valve DN 32
55
COM 2,5; COM 5,0
5905132001
VABLCI340988
3-way manual valve PN16 DN32 L
55
COM 2,5
5903025013
VARFBZ340378
Safety valve 1,0 B, 1,0"
12
COM 10,0
5903032004
VARFBZ340381
Safety valve 3.0 B, 1 1/4"
43
COM 10,0
5903020014
VARFBZ340375
Safety valve, 3.0 B, 3/4"
43
COM 5,0
5903020012
VARFBZ340374
Safety valve, 1.0 B, 3/4"
12
COM 5,0
5903015013
VARFBZ340369
Safety valve 3.0 B, 1/2"
43
COM 0,1; COM 0,25; COM 0,5; COM 1,0; COM 2,5
5903015012
VARFBZ340368
Safety valve 1.0 B, 1/2"
12
COM 0,1; COM 0,25; COM 0,5; COM 1,0; COM 2,5
5501307EP6
SPSVPU318109
Package no 2, coupling rod AEP6-2
307, 301, 303, 304, 306, 308
COM 10,0
5501203EP6
SPSVPU318120
Package no 4, packing gland 6-2
203, 204, 207, 201, 301, 202
COM 10,0
Important notes below table:
Notes:

Part number search by Pos. number & equipment model

Match both the equipment model and the position number from your drawing to find the current part number. Verify the description and equipment capacity before ordering.

Loading parts for search and sorting…

Pos. No.
Equipment Model
New P/N
Description
1
COM 0,1; COM 0,25
VANRBR340515
Non-return-flap, RG, DN 15
55
COM 1,0
VABLSS340688
3/2-way ball valve 1 "
55
COM 0,1; COM 0,25; COM 0,5
VABLSS340510
3/2-way ball valve 3/4"
42
COM 0,1; COM 0,25; COM 0,5; COM 1,0
VASMBR340467
Ball valve 1/2"
27
COM 10,0
VABLBR305702
2/2 way ball valve 1 1/2"
27; 27, 27A; 27A
COM 0,1; COM 0,25; COM 0,5; COM 1,0; COM 2,5; COM 5,0; COM 10,0
VABLBR339757
2/2 way ball valve 1"
27A
COM 0,25; COM 0,5; COM 1,0; COM 2,5
VABLBR305698
2/2 way ball valve 1/2"
27A, 59; 59
COM 0,1; COM 0,25; COM 0,5; COM 1,0; COM 2,5; COM 5,0; COM 10,0
VABLBR305696
2/2 vent valve 1/4"
55
COM 10,0
VABLCI340968
3-way ball valve DN 50 L
55
COM 2,5; COM 5,0
VABLCI340989
3/2-way ball valve DN 32
55
COM 2,5
VABLCI340988
3-way manual valve PN16 DN32 L
12
COM 10,0
VARFBZ340378
Safety valve 1,0 B, 1,0"
43
COM 10,0
VARFBZ340381
Safety valve 3.0 B, 1 1/4"
43
COM 5,0
VARFBZ340375
Safety valve, 3.0 B, 3/4"
12
COM 5,0
VARFBZ340374
Safety valve, 1.0 B, 3/4"
Important notes below table:
Notes:

Supported RWO & Deckma equipment models

Select an equipment family to see the models covered in this reference.

RWO separatorsOWS-COM and legacy Skit seriesExplore ＋
  • OWS-COM 0.5 m³/h
  • OWS-COM 1.0 m³/h
  • OWS-COM 2.5 m³/h
  • OWS-COM 5.0 m³/h
  • OWS-COM 10.0 m³/h
  • Legacy Skit series models
RWO AEP pumpsAEP 1 through AEP 6Explore ＋
  • AEP 1 series
  • AEP 2 series
  • AEP 3 series
  • AEP 4 series
  • AEP 5 series
  • AEP 6 series
Deckma OMDOil content monitors and bilge alarmsExplore ＋
  • OMD 2005
  • OMD 24
  • OMD 2008 series
Have a different model? Contact us →

Explore parts by system

Choose a system to explore its spare-part groups.

OWS-COMFilters · controls · mechanical partsExplore ＋

Filter & treatment

  • Coalescer filter material
  • Adsorber cartridge filters
  • Filter housing seals and gaskets
  • Complete filter service kits

Monitoring & control

  • Sensor electrodes
  • Heating elements
  • PC boards and display boards
  • Control relays

Mechanical components

  • AEP series pump parts (stators, rotors, shafts)
  • Solenoid valves
  • Pressure gauges
Browse RWO spare parts →
CS-BIOAeration · dosing · electrical partsExplore ＋

Aeration system

  • Blower units
  • Blower service kits
  • Air diffusers
  • Aeration tank components

Treatment & dosing

  • Chemical dosing pumps
  • Treatment chemicals
  • Dosing system components

Electrical & control

  • Control panels
  • Level sensors
  • Float switches
Browse RWO spare parts →
Deckma OMDMeasuring cells · test kits · desiccatorsExplore ＋

Measurement components

  • Measuring cells (15 ppm and 5 ppm versions)
  • Cell testing kits
  • Desiccator units
Browse Deckma spare parts →
Frequently asked

Frequently asked questions

Chief engineers and Ship managers ask us these every week. Still need an answer? Contact us directly.
Quote form (recommended)
npmarine.sg/contact →
Email
sales@npmarine.sg
whatsapp
+65 97684033

Frequently asked questions
- part number cross-reference/

1. Why do RWO and Deckma part numbers change?

2. Will a new part number fit my old equipment?
3. What if I can't find my old part number in the reference table?
4. Can I order using the old part number?
5. Are all parts in this reference available from stock?
6. How often is this cross-reference updated?

Need RWO or Deckma
‍spare parts?

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