Heavy Duty Bolt-On & Welded Portholes

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Round port applied to
Steel Hull boat by welding.
Rect. Port applied to
Steel Hull boat by welding

Round Heavy Duty Bolt-On Porthole (Order Here)

Oval Heavy Duty Bolt-On Porthole (Order Here)
Rectangular Heavy Duty
Bolt-On Porthole (Order Here)
CE Approved . According to ISO/DIS 12216. TLS, TLSO TLSR type are applied to Area III, IV.
Designs for craft type "any". CTLS, CTLSO, CTLSR type are applied to Area I, II, III, IV.
Designs for craft type "any".
CTLSR-1400 are also applied to Area II, III, IV.
  • 316 stainless machined rolled frames.
  • Hand polishing to protect against corrosion.
  • Set screw adjustment in each hinge to adjust the proper pressure against the gasket.
  • Weather resistant themo-plastic neoprene gasket.
  • High strength tempered glass.
  • Optional fiberglass screen with rubber gaskets to ensure a tight fit on the inside of the port.
  • Suitable for steel boat and Aluminum boat.
  • Powder coating either off-white or black available.
  • Fixed or removable storm cover available

Click here for Round Heavy Duty Porthole technical drawings.

Click here for Oval Heavy Duty Porthole technical drawings.

Click here for Rectangular Heavy Duty Porthole technical drawings.

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