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Sealtech Vietnam - Bandlock 2 Closure Spares
58" Bandlock 2 Large Section Seal Nitrile PB80
P/N / SKU: 3232-0026-05 | Nominal size: 58" | Profile: Large Section
The full Part No. encodes the seal family, nominal size and material variant. This gives a more reliable basis for identification than color or measurements taken from a used, compressed seal.
58" Bandlock 2
Large Section
Nitrile PB80
Quick Opening Closure
Part No. 3232-0026-05
Contents: Images · Overview · Identification · Technical points · Applications · Selection guide · FAQ
1. Product image and Bandlock 2 seal location
2. Product overview
58" Bandlock 2 Large Section Seal Nitrile PB80 is a dedicated Bandlock 2 closure seal for a nominal 58-inch closure and belongs to the 3232 family. The complete Part No. 3232-0026-05 identifies the Large Section profile together with the Nitrile PB80 material/designation.
A wrong Large/Small Section selection may show up as a seal that does not sit fully in the groove or an abnormal closing force on the closure door. On very large closures, the longer seal circumference increases the risk of local twisting or uneven stretching during installation, so controlled installation is important.
For the full family and part-number logic, see Bandlock 2 Seal - Quick Opening Closure Seals. For related applications, see Oil & Gas sealing solutions and Pipeline sealing solutions.
3. Product identification
| Item | Specification |
|---|---|
| Product | 58" Bandlock 2 Large Section Seal Nitrile PB80 |
| Part No. / SKU | 3232-0026-05 |
| Nominal size | 58 inch |
| Section profile | Large Section - family 3232 |
| Material / designation | Nitrile PB80 |
| Material suffix | -05 |
| Product group | Quick Opening Closure / Closure Spares / Bandlock 2 Seal |
| Data to verify | Closure model and serial number, groove, process fluid, temperature, pressure class and old seal sample |
Compound note: Nitrile PB80 is a separately identified Nitrile compound in the source list. Do not replace it with a generic NBR grade solely because the base polymer is similar.
4. Technical points for Part No. 3232-0026-05
Correct 3232 family
The Part No. starts with 3232, identifying the Large Section. Do not substitute family 3131 unless the closure groove has been verified.
The Part No. starts with 3232, identifying the Large Section. Do not substitute family 3131 unless the closure groove has been verified.
Correct 58" nominal size
Sequence 26 in this family corresponds to the 58-inch nominal size. Adjacent closure sizes use different base codes.
Sequence 26 in this family corresponds to the 58-inch nominal size. Adjacent closure sizes use different base codes.
Correct -05 suffix
The suffix identifies the material/designation variant in the source list, so the complete Part No. should be retained when purchasing spares.
The suffix identifies the material/designation variant in the source list, so the complete Part No. should be retained when purchasing spares.
Better spare-parts control
Recording size, section, material and SKU on the BOM helps prevent incorrect seals from being issued where several closures are installed.
Recording size, section, material and SKU on the BOM helps prevent incorrect seals from being issued where several closures are installed.
Closest selection risk
When changing compound, review temperature, hydrocarbon exposure, chemicals and opening/closing cycles. Do not select the material solely by hardness.
For 3232-0026-05, cross-check the same nominal size in the opposite section family and the adjacent sizes before releasing a purchase order.
5. Typical applications
58" Bandlock 2 Large Section Seal Nitrile PB80 is used to seal quick-opening closure doors on pig launchers, pig receivers, filter housings, separators, pressure vessels and other closure assemblies that are opened periodically for inspection, cleaning or removal of internal equipment.
At a nominal size of 58", this item falls into the category of very large closures where careful circumferential installation is essential. The compatibility of Nitrile PB80 must be checked against the actual process fluid and operating conditions rather than assumed from the polymer name alone.
If the original spare is obsolete or a custom replacement is required, see Make To Ordered Parts - custom sealing components. Related elastomer references are available under O-Rings & O-Ring Cord and Industrial Gaskets.
6. How to select the correct 58" Bandlock 2 Large Section Seal Nitrile PB80
| Step | Check | Why it matters |
|---|---|---|
| 1 | Match Part No. 3232-0026-05 | Confirms the family, size code and material suffix. |
| 2 | Confirm the 58" closure size | Prevents confusion with adjacent nominal diameters. |
| 3 | Confirm Large Section | Small and Large Section seals use different groove profiles. |
| 4 | Verify Nitrile PB80 | Material selection directly affects fluid and temperature compatibility. |
| 5 | Inspect the groove and old seal | Helps identify deformation, burrs, corrosion or an incorrect section. |
| 6 | Check the interlock and closure condition | A new seal cannot correct mechanical faults in the door or locking system. |
Safety: Bandlock 2 is a pressure-vessel closure. Remove or install the seal only after the equipment has been isolated, vented, drained and verified at zero pressure in accordance with the correct closure manual and the plant safety procedure.
7. Related products and categories
- 58" Bandlock 2 Small Section with the same material suffix
- 56" Large Section with the same material suffix
- 60" Large Section with the same material suffix
- Bandlock 2 Seal - 8" to 60" part-number guide
- Make To Ordered Parts - custom seals from samples or drawings
- O-Rings, O-Ring Cord and elastomer materials
- Industrial Gaskets
8. FAQ for Part No. 3232-0026-05
What is Part No. 3232-0026-05?
It is the Part No. for a 58" Bandlock 2 Large Section Seal with the Nitrile PB80 material/designation and suffix -05.
Can 3232-0026-05 be replaced by 3131-0026-05?
Not by default. The two codes belong to different section families and use different groove profiles even though the nominal size and material suffix are the same.
Can this seal be selected only by the 58" nominal diameter?
No. The Large Section, suffix -05, closure model/serial number and groove should also be confirmed because the same nominal diameter is available in another section family.
When should Part No. 3232-0026-05 be replaced?
Replacement should be considered when the seal is hardened, cracked, swollen, flattened, cut, permanently deformed or leaking after groove and closure-mechanism faults have been excluded.
What if the source list does not fully identify the material compound?
The material designation is stated in the source list, but the exact pressure and temperature limits still need to be confirmed for the closure and process fluid.
9. Technical support and quotation
Sealtech Vietnam can cross-reference 3232-0026-05, verify the Bandlock 2 section profile and review the old sample, groove, fluid, temperature and pressure information before quotation.
