Marine Outfitting

Marine Non-Weathertight Small Steel Hatch Cover | CB/T 3728 Type F Single-Point Closure Product Overview The CB/T 3728 Type F small steel hatch cover is a hinged marine access cover for openings where a weathertight or watertight boundary is not required. The arrangement combines a steel cover, welded coaming, rubber packing, hinge assembly, and a single dog or butterfly-nut closing point for simple local access. It is intended for protected or otherwise approved locations

Weathertight Small Steel Hatch Cover with Butterfly Nuts | CB/T 3728 Type A / UR S26 Ship Deck Access Product Overview The CB/T 3728 Type A weathertight small steel hatch cover is a hinged deck access cover secured by butterfly nuts. It is used for ship deck openings where crew need reliable access to stores, dry spaces, service compartments, or other non-tank spaces while maintaining weather-tight closure against spray, rain, and green-water exposure according to the vessel

GB 3887 Type D Marine Mushroom Ventilator | Large Diameter Marine Ventilation Equipment Product Overview The GB 3887 Type D marine mushroom ventilator is a large-diameter weather deck ventilation fitting designed for ventilation of larger ship spaces. It is normally installed above freeboard deck position 2 and can be arranged for natural ventilation or connected with a fan through flange connection when mechanical ventilation is required. The mushroom-shaped cover protects

150-350 mm Weathertight Marine Mushroom Ventilator | GB 3887-83 Type A Product Overview The GB 3887-83 Type A marine mushroom ventilator is a manually operated, weathertight closing ventilator for ship weather-deck openings. It is intended for small independent compartments, accommodation service spaces, store rooms, and similar spaces where the vessel drawing specifies a compact DN150-DN350 mushroom-type vent with a deck coaming. The mushroom cap is opened or closed by

Semi-Flush Bolted Marine Manhole Cover | ASTM F1142 Oiltight & Watertight Deck Access Product Overview The ASTM F1142 semi-flush bolted marine manhole cover is a non-hinged access closure for decks or bulkheads that require an oiltight and watertight boundary but do not require the cover assembly to be completely flush. The standard arrangement includes a cover plate, welded mounting ring, continuous gasket, welded studs, washers, and nuts. Handles are optional and should be

ASTM A27 Grade 70-36 Cast Steel Flanged Head | Types 22, 29 and 33 Marine Outfitting Product Overview The ASTM A27/A27M Grade 70-36 cast steel flanged head is a marine outfitting component supplied in Types 22, 29, and 33 according to the customer’s drawing and dimensional requirement. The cast profile provides an integral head and flange geometry for incorporation into a shipboard steel assembly where controlled dimensions, heat-treated mechanical properties, surface

Square Semi-Flush Marine Manhole Cover | CB/T 4392 Type BC Multi-Bolt Design Product Overview The CB/T 4392 Type BC square marine manhole cover is a multi-bolt access closure for flat steel-ship structures such as tank tops, decks, and bulkheads. The supplied configuration uses a nominal 600 × 600 mm square opening, a semi-flush / semi-raised surrounding plate arrangement, 28 M20 fasteners, and a compressible gasket to provide watertight or oiltight sealing when the cover,

GB 11628 Type C Flush Multi-Bolt Marine Manhole Cover | 450 & 600 mm Cleanout Access Product Overview The GB 11628 Type C flush multi-bolt marine manhole cover is a round, low-profile bolted access closure for watertight or oiltight openings in steel ship structures. It may be arranged on tank tops, decks, bulkheads, hatch-cover panels, void-space boundaries, or designated cleanout openings where the approved vessel drawing calls for a removable cover rather than a hinged

Marine Gooseneck Ventilator with Square Tube for Weather-Exposed Ship Decks | GB 4448 Type B Product Overview The GB 4448 Type B marine gooseneck ventilator is a square-tube ventilation terminal intended for installation on weather-exposed ship decks. Its curved hood changes the airflow direction and shields the duct opening from direct rain and sea spray while allowing natural ventilation or connection to a mechanical ventilation system. The Type B configuration uses a

M30 Quick-Acting Hatch Cover Cleat with Cam Lock | Snap Lock for Weathertight Ship Hatch Covers Product Overview The M30 quick-acting hatch cover cleat is a mechanical securing component used at the side or top of a ship’s main cargo hatch cover. Its cam-lock arrangement draws the cover toward the coaming and helps maintain the specified compression of the hatch cover sealing system during a sea passage. The cleat supports weathertight closing, but it does not create