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Bolt-on Marine Portholes
Compare the published bolt-on marine portholes scope, local official references and the exact project data ERBA Marine needs before confirming supply.
Selection boundary: Final size, material, hardware, opening arrangement, rating and applicable documentation are confirmed in ERBA Marine’s written quotation.
Bofor bolt-on porthole range
Official manufacturer reference image hosted locally by ERBA Marine. The supplied configuration is confirmed in writing.
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Official Bofor reference content is hosted locally by ERBA Marine.
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Approved category and family boundaries remain explicit.
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Final configuration and current availability are quotation-controlled.
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Approval claims require current exact-scope documentation.
Bofor marine closures, selected and supplied through ERBA Marine
ERBA Marine coordinates technical selection and supply for the agreed marine-door, hatch, custom-closure or component configuration. Included drawings, documents, delivery scope, service support and applicable warranty route are stated in ERBA Marine’s written quotation.
Identity and approval boundary: Bofor is the manufacturer of the referenced products. Approval is never inferred across the range. Classification, fire rating, pressure head, approved dimensions and installation conditions apply only to the exact model and current certificate scope.
SELECTION BEFORE SPECIFICATION
How to approach bolt-on marine portholes
Published families and images help identify a starting point; verified vessel and closure data determine the final selection.
Bolt-on Marine Portholes
Bolt-on Marine Portholes is the canonical ERBA Marine page for the published Bolt-on family. LMZ_26, LMZ_17x40, LMZ_20x40, LMZ_26x50, LMZ_24x40, LMZ_24x50, LMZ_30x50, LMZ_35x60, ELPS_26x5
Final construction, operation, interface and document scope are confirmed in writing. Draft-ready; use Bolt-on, not Bofor’s Bolton typo Final size, material, finish, opening arrangement, hardware, rating, installation interface and applicable documentation are confirmed in ERBA Marine’s written quotation.
Information to confirm
- Vessel type, project stage, installation location and exposure
- Verified clear opening, structural cut-out and corner radii in millimetres
- Surrounding structure, frame interface, available depth and drainage
- Hinge side, opening direction, travel envelope and access constraints
- Preferred material, finish, insulation, glazing or teak arrangement
- Locks, dogs, handles, closers, stoppers and emergency operation
- Required weathertight, watertight, fire, class or flag duty
- Required drawings, certificates, calculations and installation documents
- Existing model code, photographs and measurements for replacements
- Quantity, delivery country or port and required schedule
PUBLISHED FAMILY REFERENCES
Bolt-on Marine Portholes families and model-code groups
Compare the published family descriptions below, then send the exact project data for confirmation.
Published variants and models
Bolt-on
LMZ_26, LMZ_17x40, LMZ_20x40, LMZ_26x50, LMZ_24x40, LMZ_24x50, LMZ_30x50, LMZ_35x60, ELPS_26x5
Construction and selection fields
Exact configuration
Final construction, operation, interface and document scope are confirmed in writing.
Document and claim boundary
Draft-ready; use Bolt-on, not Bofor’s Bolton typo
No material, size, duty, rating or approval statement transfers from another model. Current scope is confirmed in ERBA Marine’s quotation.
Configuration rule: Do not transfer a material, size, dog, handle, glazing, pressure, fire-rating or approval statement from one model code to another. ERBA Marine confirms the exact selected configuration in writing.
PUBLISHED SELECTION DATA
Bolt-on Marine Portholes model and configuration references
Use these published references for preliminary comparison. ERBA Marine confirms current availability, final dimensions, compatibility and controlled documents in writing.
Bolt-on Marine Portholes published model references
| Model | Selection boundary |
|---|---|
| LMZ_26 | Confirm opening, cut-out, hull/interface, glazing, finish and current availability in quotation. |
| LMZ_17x40 | Confirm opening, cut-out, hull/interface, glazing, finish and current availability in quotation. |
| LMZ_20x40 | Confirm opening, cut-out, hull/interface, glazing, finish and current availability in quotation. |
| LMZ_26x50 | Confirm opening, cut-out, hull/interface, glazing, finish and current availability in quotation. |
| LMZ_24x40 | Confirm opening, cut-out, hull/interface, glazing, finish and current availability in quotation. |
| LMZ_24x50 | Confirm opening, cut-out, hull/interface, glazing, finish and current availability in quotation. |
| LMZ_30x50 | Confirm opening, cut-out, hull/interface, glazing, finish and current availability in quotation. |
| LMZ_35x60 | Confirm opening, cut-out, hull/interface, glazing, finish and current availability in quotation. |
| ELPS_26x5 | Confirm opening, cut-out, hull/interface, glazing, finish and current availability in quotation. |
Selection note: Published model list only; final dimensional and installation data must be checked for the selected model.
CONTROLLED LOCAL DOCUMENTS
Bolt-on Marine Portholes technical references
These locally hosted files support preliminary review. Current revision, validity, exact model scope and project acceptance must be confirmed before use.
Technical Reference
Bofor marine doors and hatches mounting instructions - revision 1
Bofor marine doors and hatches mounting instructions – revision 1. Reference only: ERBA Marine must confirm the current revision, validity, model/configuration scope and acceptance requirements in writing before quotation or supply.
- Reference only for preliminary coordination
- Current revision and exact model scope must be confirmed
- Do not use as fabrication or class authority without acceptance
TECHNICAL SELECTION DATA
What ERBA Marine needs before confirming a closure
Verified dimensions, location, construction, operation, hardware and documentation reduce avoidable clarification.
Vessel, opening and installation
- Vessel type, project stage, installation location and exposure
- Verified clear opening, structural cut-out and corner radii in millimetres
- Surrounding structure, frame interface, available depth and drainage
- Hinge side, opening direction, travel envelope and access constraints
- Preferred material, finish, insulation, glazing or teak arrangement
Configuration, documents and delivery
- Locks, dogs, handles, closers, stoppers and emergency operation
- Required weathertight, watertight, fire, class or flag duty
- Required drawings, certificates, calculations and installation documents
- Existing model code, photographs and measurements for replacements
- Quantity, delivery country or port and required schedule
Important: Classification, fire rating, pressure head, approved dimensions and installation conditions apply only to the exact model and certificate. ERBA Marine confirms current documentation and the selected configuration in writing before supply.
CLEAR PROJECT ROUTE
From closure requirement to confirmed supply
A reference image or family code is never treated as the final fit until the vessel and exact configuration are reviewed.
1. Share the requirement
Send vessel, opening, location, duty, construction, hardware and document requirements.
2. Match the family
ERBA Marine identifies the closest current marine-door, hatch, closure or component reference.
3. Confirm the configuration
Exact size, material, operation, finish, rating, documents and supply scope are checked.
4. Quote and coordinate
ERBA Marine states delivery, included support and applicable warranty route in writing.
CONTINUE COMPARING
Related marine doors and hatches pages
Use the dedicated pages to compare the closest closure family, technical reference or component route.
Standard Marine Products
Continue with the approved standard marine products route.
Clamping Marine Portholes
Continue with the approved clamping marine portholes route.
Area-1 Marine Portholes
Continue with the approved area-1 marine portholes route.
Closure Hardware & Accessories
Continue with the approved closure hardware & accessories route.
Custom Marine Closures & Design Gallery
Use this support page for project data, documentation or installation coordination.
FREQUENTLY ASKED QUESTIONS
Bolt-on Marine Portholes FAQs
Practical answers for family comparison, selection, documentation, installation and quotation.
Start with the published family, model or item references on this page, then provide the verified opening, location, structure, duty, operation and document requirements. ERBA Marine confirms the exact selected configuration in writing.
No. Published dimensions, model codes, images and options support preliminary comparison. Current availability, final cut-out, material, finish, hardware and compatibility are confirmed in the quotation before fabrication or supply.
No. An image is a visual reference only, and a certificate applies only to its exact model, revision, construction, limits and installation conditions. ERBA Marine reconfirms current exact-scope documentation for the selected item.
Customisation depends on the product family and project. Send drawings, opening and cut-out dimensions, surrounding structure, operation, glazing or finish, hardware, required duty and schedule for technical review.
Include vessel and installation location, clear opening and cut-out, hinge/opening direction, photographs or drawings, material and finish preference, hardware, rating/document requirements, quantity, delivery point and schedule.
Send the bolt-on marine portholes requirement
Accurate opening, vessel, location and duty data helps ERBA Marine compare the current family, configuration and documents and prepare a useful quotation.
- State the clear opening and structural cut-out.
- Describe location, exposure and required closure duty.
- Confirm material, opening direction, glazing and hardware.
- Attach drawings, existing photographs and document requirements.
Bolt-on Marine Portholes Technical Enquiry
Fields marked * are required. Opening dimensions, installation photographs and drawings are strongly recommended.
Your technical and contact information is sent only to ERBA Marine’s website enquiry recipients for follow-up.