Door Actuation System

Assembly

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Hydraulic power unit and cylinders that open and close the bottom doors against the weight of the cargo.

Direct parts	6
Total parts	60
Used in	1 assembly
Class	Assembly

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Hydraulic power unit and cylinders that open and close the bottom doors against the weight of the cargo. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Door Actuation System parts and their functions

6 top-level parts · 60 parts in total · full bill of materials below

Door Actuation System parts diagram: 1 hydraulic power unit, 2 door hydraulic cylinder, 3 valve block (manifold), 4 hydraulic hose, 5 door position sensor, 6 pressure sensor. 60 parts in 6 top-level items. — Door Actuation System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Hydraulic Power Unit 5 parts	1×	Electric-motor-driven pump, reservoir and filtration feeding the door cylinders.
2	Door Hydraulic Cylinder 5 parts	4×	Long-stroke door rams
3	Valve Block (Manifold)	1×	Directional control valves routing oil to open or close the doors.
4	Hydraulic Hose	12×
5	Door Position Sensor	4×	Linear sensor reporting how far each door has opened.
6	Pressure Sensor	2×	Transduces fluid or gas pressure into an electrical signal.

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Build & assembly graph

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Bill of materials for Door Actuation System

6 top-level lines · 16 rows shown · 60 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Hydraulic Power Unit 5 parts	hopper-barge-hydraulic-power-unit	1×	1	9	assembly
1.1	Hydraulic Pump	hopper-barge-hydraulic-pump	1×	1	·	part
1.2	Pump Drive Motor	hopper-barge-hydraulic-motor	1×	1	·	part
1.3	Oil Reservoir	hopper-barge-oil-reservoir	1×	1	·	part
1.4	Hydraulic Filter	hopper-barge-hydraulic-filter	2×	2	·	part
1.5	O-Ring Set	oring-set	4×	4	·	part
2	Door Hydraulic Cylinder 5 parts	hopper-barge-door-cylinder	4×	4	8	assembly
2.1	Cylinder Barrel	hopper-barge-cylinder-barrel	1×	4	·	part
2.2	Cylinder Rod	hopper-barge-cylinder-rod	1×	4	·	part
2.3	Cylinder Piston	hopper-barge-cylinder-piston	1×	4	·	part
2.4	O-Ring Set	oring-set	3×	12	·	part
2.5	Oil Seal	oil-seal	2×	8	·	part
3	Valve Block (Manifold)	hopper-barge-hydraulic-valve-block	1×	1	·	part
4	Hydraulic Hose	hopper-barge-hydraulic-hose	12×	12	·	part
5	Door Position Sensor	hopper-barge-position-sensor	4×	4	·	part
6	Pressure Sensor	pressure-sensor	2×	2	·	part

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Where the door actuation system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Marine 1 Hopper Barge

Used in 1 assembly

Hopper Barge

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks