Hatch

Sea-Dog Stainless Steel Hatch Adjuster

Features:

Formed 304 Stainless/Nylon

Part Number

A

B

C

D

321291-1

11-1/8"

17-7/8"

1-3/8"

1-3/16"

321292-1

14-3/16"

24-3/16"

1-3/8"

1-3/16"

Frequently Asked Questions

• What is the Sea-Dog Stainless Steel Hatch Adjuster made from? The Sea-Dog Stainless Steel Hatch Adjuster is constructed from formed 304 stainless steel and nylon.
• What are the available Sea-Dog Stainless Steel Hatch Adjuster part numbers? The Sea-Dog Stainless Steel Hatch Adjuster is available in part numbers 321291-1 and 321292-1. The two versions have different A and B dimensions.
• What are the dimensions of Sea-Dog Stainless Steel Hatch Adjuster 321291-1? Part number 321291-1 has an A dimension of 11-1/8", a B dimension of 17-7/8", a C dimension of 1-3/8", and a D dimension of 1-3/16".
• What are the dimensions of Sea-Dog Stainless Steel Hatch Adjuster 321292-1? Part number 321292-1 has an A dimension of 14-3/16", a B dimension of 24-3/16", a C dimension of 1-3/8", and a D dimension of 1-3/16".

Lewmar Medium Profile Hatch

This Lewmar Medium Profile Hatch features thick acrylic frame sections allowing for greater strength and durability. The internal and external handles provide added security while the self-supporting friction levers hold the lid open in any position up to 95°. With a corrosion-resistant clear anodized aluminum frame with flange bases, inset hinges and snag-resistant rounded edges, this hatch is ideal for larger offshore yachts. The unique sealing system allows for easy replacement of the acrylic lens.

Features:

Curved Upper Frame Section For Strength and Modern Styling

Hatch With Thicker Acrylic and Deeper Frame Sections (Compared To Low Profile Hatch) For Greater Strength and Durability

Ideal As Foredeck Hatch On Larger Offshore Yachts

Corrosion-Resistant Clear Anodized Aluminum Frame With Flange Bases, Inset Hinges and Snag-Resistant Rounded Edges

Locking Handles With Exterior Lever, Vent Position

Outside Handles Allow Hatch To Be Opened From On Deck If Not Locked

Self-Supporting - Friction Levers Hold Lid Open In Any Position Up To 95°

Full Range Of Spare Parts Available

Unique Sealing System Allows Easy Replacement Of Acrylic Lens

CE Approved For Design Category A / Area 2A

3 Year Warranty

Specifications:

Size

Lower Frame

Acrylic Colour

Acrylic Window Thickness

Hatch Weight

Length

Width

Height

Radii

Cut-Out Length

Cut-Out Width

Cut-Out Radii

60

9/16"

Smoke Grey

1/2"

17.2 lb

22-3/4"

22-3/4"

1-1/4"

2-7/8"

19-15/16"

19-15/16"

1-11/16"

70

9/16"

Smoke Grey

1/2"

23.4 lb

27-1/2"

27-1/2"

1-1/4"

2-7/8"

24-11/16"

24-11/16"

1-11/16"

Click here to download Lewmar Hatch Installation Instructions

Frequently Asked Questions

• What is the Lewmar Medium Profile Hatch designed for? The Lewmar Medium Profile Hatch is designed for marine applications where strength and durability are important. It is ideal as a foredeck hatch on larger offshore yachts and features a corrosion-resistant clear anodized aluminum frame, thick acrylic, inset hinges, and snag-resistant rounded edges.
• How far can the Lewmar Medium Profile Hatch be opened? The hatch uses self-supporting friction levers that hold the lid open in any position up to 95°. This allows the opening angle to be adjusted within that range without requiring the lid to remain fully open.
• What features provide security and ventilation on the Lewmar Medium Profile Hatch? The hatch has locking handles with an exterior lever and a vent position. When the hatch is not locked, the outside handles also allow it to be opened from on deck. These features provide access and ventilation options while supporting the hatch's security functions.
• What are the available sizes and specifications for the Lewmar Medium Profile Hatch? The Lewmar Medium Profile Hatch is available in sizes 60 and 70. Both have smoke grey acrylic with a 1/2-inch acrylic window thickness and a 1-1/4-inch height. Size 60 weighs 17.2 lb, while size 70 weighs 23.4 lb. The two sizes also have different overall and cut-out dimensions.
• Can the acrylic lens be replaced on the Lewmar Medium Profile Hatch? Yes. The Lewmar Medium Profile Hatch uses a unique sealing system that allows the acrylic lens to be replaced easily. The hatch also has a full range of spare parts available, which supports maintenance and replacement of components.
• What should I verify before installing a Lewmar Medium Profile Hatch? Verify the hatch size and required cut-out dimensions before installation. Size 60 requires a 19-15/16-inch cut-out length and width, while size 70 requires a 24-11/16-inch cut-out length and width. Both have a 1-11/16-inch cut-out radius and a 9/16-inch lower frame.

Lewmar Low Profile Deck Hatch

This Lewmar Low Profile Deck Hatch features smaller ventilation hatches suitable for any deck location on sailboats and larger sizes that can be used as foredeck hatches on smaller to mid-size yachts. With a low frame section and 8mm acrylic windows, this hatch is available in multiple sizes making it a good choice for installation on a variety of boats. The lockable internal and external handles provide added security. Composed of corrosion-resistant clear anodized aluminum, this deck hatch features self-supporting friction levers that will hold the lid open in any position up to 95°.

Features:

Low Profile Hatches Open Up To 180° (Round Hatches Open To 170°)

Outside Handles Allow Hatch To Be Opened From On Deck If Not Locked

Full Range Of Spare Parts Available

Corrosion-Resistant Clear Anodized Aluminum Frame With Flange Bases, Inset Hinges and Snag-Resistant Rounded Edges

Hinges Flush With Upper Frame

Curved Upper Frame Section For Strength and Modern Styling

Self-Supporting - Friction Levers Hold Lid Open In Any Position Up To 95°

Unique Sealing System Allows Easy Replacement Of Acrylic Lens

Locking Handles With Exterior Lever, Vent Position

Improved Stronger Lower Frame Design With Higher Breakwater

CE Approved For Design Category A / Area 2A*

3 Year Warranty

Mounting Instructions:

Fit to a flat surface with a maximum tolerance of +/- 1mm.

Fastening size at hinge section use (M6 / 1/4").

Fastening size for lower frame use 5mm CSK screw No.10 UNC 2 BA.

Specifications:

Size

Lower Frame

Acrylic Colour

Acrylic Window Thickness

Hatch Weight

Length

Width

Height

Radii

Cut-Out Length

Cut-Out Width

Cut-Out Radii

10

9/16"

Smoke Grey

5/16"

4.9 lb

13"

13"

1"

2-7/8"

10-1/4"

10-1/4"

1-11/16"

30

9/16"

Smoke Grey

5/16"

8.6 lb

15-5/8"

20-3/4"

1"

2-7/8"

12-7/8"

18"

1-11/16"

40

9/16"

Smoke Grey

5/16"

10.1 lb

19-5/16"

19-5/16"

1"

2-7/8"

16-9/16"

16-9/16"

1-11/16"

44

9/16"

Smoke Grey

5/16"

10.6 lb

20-3/16"

20-3/16"

1"

2-7/8"

17-3/8"

17-3/8"

1-11/16"

54

9/16"

Smoke Grey

5/16"

10.8 lb

18-3/16"

22-11/16"

1"

2-7/8"

15-7/16"

19-15/16"

1-11/16"

60

9/16"

Smoke Grey

5/16"

14.1 lb

22-11/16"

22-11/16"

1"

2-7/8"

19-15/16"

19-15/16"

1-11/16"

Click here to download Lewmar Hatch Installation Instructions

Frequently Asked Questions

• What is the Lewmar Low Profile Deck Hatch used for? The Lewmar Low Profile Deck Hatch is designed for deck locations on sailboats, with larger sizes suitable for foredeck use on smaller to mid-size yachts. It features an 8mm acrylic window, corrosion-resistant clear anodized aluminum frame, and self-supporting friction levers.
• How far does the Lewmar Low Profile Deck Hatch open? The Lewmar Low Profile Deck Hatch opens up to 180°, while the round hatch versions open up to 170°. Its self-supporting friction levers hold the lid open in any position up to 95°.
• Does the Lewmar Low Profile Deck Hatch have locking handles? Yes. The Lewmar Low Profile Deck Hatch features locking handles with an exterior lever and vent position. The outside handles also allow the hatch to be opened from on deck when it is not locked.
• What is the Lewmar Low Profile Deck Hatch made from? The hatch features a corrosion-resistant clear anodized aluminum frame with flange bases, inset hinges, flush-mounted hinges, and rounded snag-resistant edges. It also has an 8mm acrylic window with a sealing system designed to allow the acrylic lens to be replaced easily.
• What are the mounting requirements for the Lewmar Low Profile Deck Hatch? The Lewmar Low Profile Deck Hatch should be fitted to a flat surface with a maximum tolerance of +/- 1mm. The hinge section uses M6 or 1/4" fastening, while the lower frame uses a 5mm CSK screw No.10 UNC 2 BA. Verify the selected hatch's cut-out dimensions before installation. What sizes are available for the …

Lewmar Ocean Series Flange Base Hatch

This Lewmar Ocean Series Flange Base Hatch features a shock resistant acrylic lens. With a rugged construction build and attached hinges on the outside the frame, it provides ultimate protection against the elements and prevents leakage. This hatch also features a corrosion-resistant anodized aluminum frame with inset hinges, snag-resistant rounded corners and a flange base. The self supporting friction levers hold the lid open in any position up to 95° while the hatch opens 180° for easy access.

Features:

Shock Resistant Acrylic Lens

Rugged Construction For The Ultimate Protection Against The Elements

Full Range Of Spare Parts Available

Hatch Vent Position

Hinges Are Attached Outside The Frame To Prevent Leakage

Corrosion-Resistant Anodized Aluminum Frame With Inset Hinges, Snag-Resistant Rounded Corners and Flange Base

Hatch opens 180° for easy access

Unique Sealing System

Self-Supporting – Friction Levers Hold Lid Open In Any Position Up To 95°

Friction Hinge Allows For Any Open Position Without The Need For Support Arms

Internal/External Lockable Handle Assemblies

Simple Maintenance

Conforms To CE Area 2: Deck, Coach Roof, Cockpit Or Transom Use (Tested To 2 psi)

Fits Other Lewmar Standard Cut-Outs

3 Year Limited Warranty

Mounting Instructions:

Fit To A Flat Surface With A Maximum Tolerance Of +/- 1mm.

Fastening Size At Hinge Section Use (M6 / 1/4").

Fastening Size For Lower Frame Use 5mm CSK Screw No.10 UNC 2 BA.

Specifications:

Size

Acrylic Colour

Acrylic Window Thickness

Lower Frame

Hatch Weight

Radii

Length

Width

Height

Hinge Length

Hinge Width

Cut-Out Length Flat

Cut-Out Width Flat

Cut-Out Radii

10

Smoke Grey

3/8"

1" FLange

5.77 lb

2-15/16"

12-3/4"

12-3/4"

1-9/16"

3/16"

5-7/16"

10-1/4"

10-1/4"

1-11/16"

40

Smoke Grey

3/8"

1" Flange

10.5 lb

2-15/16"

19-1/8"

19-1/8"

1-9/16"

3/16"

11-3/4"

16-9/16"

16-9/16"

1-11/16"

60

Smoke Grey

1/2"

1" Flange

17.6 lb

3"

22-5/8"

22-5/8"

1-11/16"

3/16"

14-7/16"

19-15/16"

19-15/16"

1-11/16"

70

Smoke Grey

1/2"

1" Flange

23.8 lb

3"

27-5/16"

27-5/16"

1-11/16"

3/16"

19-3/16"

24-1/2"

24-1/2"

1-11/16"

Click here to download Lewmar Hatch Installation Instructions

Frequently Asked Questions

• What is the Lewmar Ocean Series Flange Base Hatch designed for? The Lewmar Ocean Series Flange Base Hatch is designed for deck, coach roof, cockpit, or transom use. It features a corrosion-resistant anodized aluminum frame, shock-resistant acrylic lens, and rugged construction. The hatch conforms to CE Area 2 requirements and opens 180° for easy access.
• How far does the Lewmar Ocean Series Flange Base Hatch open? The Lewmar Ocean Series Flange Base Hatch opens 180° for easy access. Its self-supporting friction levers hold the lid open in any position up to 95°, while the friction hinge allows the hatch to remain open without support arms.
• What features help protect the Lewmar Ocean Series Flange Base Hatch from water and the elements? The hatch has a corrosion-resistant anodized aluminum frame, a unique sealing system, and hinges attached outside the frame to help prevent leakage. Its rugged construction and shock-resistant acrylic lens provide protection against the elements.
• What mounting requirements apply to the Lewmar Ocean Series Flange Base Hatch? The Lewmar Ocean Series Flange Base Hatch should be fitted to a flat surface with a maximum tolerance of +/- 1mm. The hinge section uses M6 / 1/4" fasteners, while the lower frame uses 5mm CSK Screw No.10 UNC 2 BA.
• What sizes are available for the Lewmar Ocean Series Flange Base Hatch? The Lewmar Ocean Series Flange Base Hatch is available in sizes 10, 40, 60, and 70. Depending on the size, the hatch has a 3/8" or 1/2" smoke grey acrylic lens and a 1" flange base. Cut-out dimensions vary by size, so verify the required dimensions before installation…

Lewmar Ocean Series Flat Base Hatch

This Lewmar Ocean Series Flat Base Hatch features a corrosion-resistant anodized aluminum frame with inset hinges, snag resistant rounded corners and a flat base and it is also composed of rugged construction for ultimate protection against the elements. The friction hinge allows for any open position without the need for support arms while the self-supporting friction levers hold the lid open in any position of up to 95°. This ocean hatch will work on vessel decks, coach roofs, cockpits and transoms as defined by CE Area 2.

Features:

Corrosion-Resistant Anodized Aluminum Frame With Inset Hinges, Snag-Resistant Rounded Corners and Flat Base

Unique Sealing System

Full Range Of Spare Parts Available

Internal/External Lockable Handle Assemblies

Bonded Acrylic Lens, External Hinges and High-Lower Frame Breakwater

Hatch Vent Position

Simple Maintenance

Ideal for Transoms, Cockpits, Coachroofs, and Decks

Shock Resistant Acrylic Lens

Rugged Construction For The Ultimate Protection Against The Elements

Friction Hinge Allows For Any Open Position Without The Need For Support Arms

Self-Supporting - Friction Levers Hold Lid Open In Any Position Up To 95°

Suitable for Design Category CE Area 2

3 Year Limited Warranty

Mounting Instructions:

Fit To A Flat Surface With A Maximum Tolerance Of +/- 1mm.

Fastening Size At Hinge Section Use (M6 / 1/4").

Fastening Size For Lower Frame Use 5mm CSK Screw No.10 UNC 2 BA.

Flat Base Hatches Cannot Be Used With Trim Kits Or Roller Shades

Specifications:

Size

Acrylic Colour

Acrylic Window Thickness

Lower Frame

Hatch Weight

Radii

Length

Width

Height

Hinge Length

Hinge Width

Cut-Out Length Flat

Cut-Out Width Flat

Cut-Out Radii Flat

10

Smoke Grey

3/8"

Flat Base

5.77 lb

2-15/16"

12-3/4"

12-3/4"

1-9/16"

3/16"

5-7/16"

10-1/16"

10-1/16"

1-9/16"

60

Smoke Grey

1/2"

Flat Base

17.6 lb

3"

22-5/8"

22-5/8"

1-11/16"

3/16"

14-7/16"

19-3/4"

19-3/4"

1-9/16"

70

Smoke Grey

1/2"

Flat Base

23.8 lb

3"

27-5/16"

27-5/16"

1-11/16"

3/16"

19-3/16"

24-1/2"

24-1/2"

1-9/16"

Click here for Lewmar Hatch Installation Instructions

Frequently Asked Questions

• What is the Lewmar Ocean Series Flat Base Hatch designed for? The Lewmar Ocean Series Flat Base Hatch is designed for vessel decks, coach roofs, cockpits, and transoms as defined by CE Area 2. It features a corrosion-resistant anodized aluminum frame, rugged construction, and a shock-resistant acrylic lens for protection against the elements.
• How far can the Lewmar Ocean Series Flat Base Hatch open? The Lewmar Ocean Series Flat Base Hatch can be held open in any position up to 95°. Its friction hinge allows the hatch to remain open without support arms, while the self-supporting friction levers hold the lid in the desired position.
• What sizes are available for the Lewmar Ocean Series Flat Base Hatch? The Lewmar Ocean Series Flat Base Hatch is available in sizes 10, 60, and 70. The size 10 measures 12-3/4" x 12-3/4", size 60 measures 22-5/8" x 22-5/8", and size 70 measures 27-5/16" x 27-5/16".
• What type of surface is required to install the Lewmar Ocean Series Flat Base Hatch? The Lewmar Ocean Series Flat Base Hatch must be fitted to a flat surface with a maximum tolerance of +/- 1mm. The mounting instructions specify M6 / 1/4" fastening at the hinge section and a 5mm CSK Screw No.10 UNC 2 BA for the lower frame.
• Does the Lewmar Ocean Series Flat Base Hatch have a lockable handle? Yes. The Lewmar Ocean Series Flat Base Hatch features internal and external lockable handle assemblies. It also includes a hatch vent position for ventilation.
• Can the Lewmar Ocean Series Flat Base Hatch be used with trim kits or roller shades? No. The mounting instructions specifically state that flat base hatches cannot be used with trim kits or roller shades.