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Library› Cargo› Tanker Cargo Systems› Cargo Manifold Valve
Tanker Cargo Systems

Cargo Manifold Valve

The cargo manifold valve is the last isolation point between the ship's cargo piping and the shore connection at each manifold branch, and it is the single valve every cargo transfer, from hose connection to disconnection, depends on being leak-tight and quick to operate under pressure.

153models 10manufacturers
Models

Models in this type.

The 100 models with the most complete data of 153 in Cargo Manifold Valve. Every row links to full specifications, documents and service notes.

FramoCargo Manifold DN100 chemical FramoCargo Manifold DN100 crude FramoCargo Manifold DN100 product FramoCargo Manifold DN150 chemical FramoCargo Manifold DN150 crude FramoCargo Manifold DN150 product FramoCargo Manifold DN200 chemical FramoCargo Manifold DN200 crude FramoCargo Manifold DN200 product FramoCargo Manifold DN250 chemical FramoCargo Manifold DN250 crude FramoCargo Manifold DN250 product FramoCargo Manifold DN300 chemical FramoCargo Manifold DN300 crude FramoCargo Manifold DN300 product FramoCargo Manifold DN350 chemical FramoCargo Manifold DN350 crude FramoCargo Manifold DN350 product FramoCargo Manifold DN400 chemical FramoCargo Manifold DN400 crude FramoCargo Manifold DN400 product FramoCargo Manifold DN500 chemical FramoCargo Manifold DN500 crude FramoCargo Manifold DN500 product Hamworthy/WärtsiläCargo Manifold DN100 chemical Hamworthy/WärtsiläCargo Manifold DN100 crude Hamworthy/WärtsiläCargo Manifold DN100 product Hamworthy/WärtsiläCargo Manifold DN150 chemical Hamworthy/WärtsiläCargo Manifold DN150 crude Hamworthy/WärtsiläCargo Manifold DN150 product Hamworthy/WärtsiläCargo Manifold DN200 chemical Hamworthy/WärtsiläCargo Manifold DN200 crude Hamworthy/WärtsiläCargo Manifold DN200 product Hamworthy/WärtsiläCargo Manifold DN250 chemical Hamworthy/WärtsiläCargo Manifold DN250 crude Hamworthy/WärtsiläCargo Manifold DN250 product Hamworthy/WärtsiläCargo Manifold DN300 chemical Hamworthy/WärtsiläCargo Manifold DN300 crude Hamworthy/WärtsiläCargo Manifold DN300 product Hamworthy/WärtsiläCargo Manifold DN350 chemical Hamworthy/WärtsiläCargo Manifold DN350 crude Hamworthy/WärtsiläCargo Manifold DN350 product Hamworthy/WärtsiläCargo Manifold DN400 chemical Hamworthy/WärtsiläCargo Manifold DN400 crude Hamworthy/WärtsiläCargo Manifold DN400 product Hamworthy/WärtsiläCargo Manifold DN500 chemical Hamworthy/WärtsiläCargo Manifold DN500 crude Hamworthy/WärtsiläCargo Manifold DN500 product MarflexCargo Manifold DN100 chemical MarflexCargo Manifold DN100 crude MarflexCargo Manifold DN100 product MarflexCargo Manifold DN150 chemical MarflexCargo Manifold DN150 crude MarflexCargo Manifold DN150 product MarflexCargo Manifold DN200 chemical MarflexCargo Manifold DN200 crude MarflexCargo Manifold DN200 product MarflexCargo Manifold DN250 chemical MarflexCargo Manifold DN250 crude MarflexCargo Manifold DN250 product MarflexCargo Manifold DN300 chemical MarflexCargo Manifold DN300 crude MarflexCargo Manifold DN300 product MarflexCargo Manifold DN350 chemical MarflexCargo Manifold DN350 crude MarflexCargo Manifold DN350 product MarflexCargo Manifold DN400 chemical MarflexCargo Manifold DN400 crude MarflexCargo Manifold DN400 product MarflexCargo Manifold DN500 chemical MarflexCargo Manifold DN500 crude MarflexCargo Manifold DN500 product SVANEHØJCargo Manifold DN100 chemical SVANEHØJCargo Manifold DN100 crude SVANEHØJCargo Manifold DN100 product SVANEHØJCargo Manifold DN150 chemical SVANEHØJCargo Manifold DN150 crude SVANEHØJCargo Manifold DN150 product SVANEHØJCargo Manifold DN200 chemical SVANEHØJCargo Manifold DN200 crude SVANEHØJCargo Manifold DN200 product SVANEHØJCargo Manifold DN250 chemical SVANEHØJCargo Manifold DN250 crude SVANEHØJCargo Manifold DN250 product SVANEHØJCargo Manifold DN300 chemical SVANEHØJCargo Manifold DN300 crude SVANEHØJCargo Manifold DN300 product SVANEHØJCargo Manifold DN350 chemical SVANEHØJCargo Manifold DN350 crude SVANEHØJCargo Manifold DN350 product SVANEHØJCargo Manifold DN400 chemical SVANEHØJCargo Manifold DN400 crude SVANEHØJCargo Manifold DN400 product SVANEHØJCargo Manifold DN500 chemical SVANEHØJCargo Manifold DN500 crude SVANEHØJCargo Manifold DN500 product Fort Vale1.5" BSP Blacko Ball Valve Fort Vale1.5" BSP Twinact Relief Valve Fort Vale1.5" BSP Uniact Relief Valve Fort Vale2" Air Inlet/Discharge Butterfly Valve
All 153 models
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Manufacturers.

All 10 manufacturers with models of Cargo Manifold Valve. Every name opens a search across the full library.

Related types

Also in Tanker Cargo Systems.

The other equipment types in this category.

Cargo Heating SystemCargo Pump (Centrifugal, Pumproom)Cargo Pump (Deepwell)Cargo Stripping PumpCargo Tank Heating SystemCargo ValveDeepwell Cargo PumpInert Gas Generator (N₂)Inert Gas System (Flue Gas)Loading ComputerPV Valves (Pressure/Vacuum)Stripping PumpSubmerged Cargo PumpTank Cleaning System (COW/Butterworth)Vapor Recovery Unit
Knowledge

What to check on a Cargo Manifold Valve.

Every valve inside the cargo system segregates tanks or grades from each other; the manifold valve is the one that segregates the ship from the shore. It sits at the end of the manifold branch piping, immediately before the reducer and the hose or loading arm connection, and it is the valve the ship's crew and the terminal both rely on as the definitive shutoff if anything goes wrong during transfer, so its condition gets more attention at survey and by terminal inspectors than almost any other valve aboard.

What makes the manifold valve different from other cargo valves

Every valve inside the cargo system segregates tanks or grades from each other; the manifold valve is the one that segregates the ship from the shore. It sits at the end of the manifold branch piping, immediately before the reducer and the hose or loading arm connection, and it is the valve the ship's crew and the terminal both rely on as the definitive shutoff if anything goes wrong during transfer, so its condition gets more attention at survey and by terminal inspectors than almost any other valve aboard.

Cargo manifold valve arrangement
Cross-section along the cargo manifold showing the ship side pipe flange, the manifold valve with its handwheel, the reducer to the hose connection flange, and the drip tray beneath the connection.

Main components

Valve body and disc/ball/gate element

Ball and gate types are both common on manifolds; ball valves give quicker quarter-turn operation and a straight bore, while gate valves are still specified on many tankers for their tight shutoff and resistance to solids in the cargo. Body material is steel or, on chemical carriers, often stainless or a lined design matched to the cargoes carried.

Actuator or handwheel

Manual handwheel operation remains common, but many manifolds now use hydraulic or pneumatic actuation for faster, less fatiguing closure during emergency shutdown sequences, tied into the ship's emergency shutdown (ESD) system.

Position indicator

A visible open/closed indicator, and on actuated valves a remote position feedback signal to the cargo control room, lets the officer of the watch confirm the manifold state without walking to the deck in poor weather.

Blank flange and spectacle blind

Fitted on the unused side of a manifold during single-hose operation or lay-up, to guarantee positive isolation beyond what a closed valve alone provides.

Selection and sizing

Manifold valve size and pressure rating must match the vessel's manifold dimensions as specified by the applicable OCIMF manifold recommendations for the vessel's deadweight range, since terminal loading arms and hoses are built to those standard spacings and sizes. Pressure/temperature rating is set by the highest-pressure, highest-temperature cargo the vessel is certified to carry, not by the average cargo. Fire safety of seals and packing (fire-safe design per API 607 or equivalent) is standard practice on crude and product carriers.

Regulations and class

  • OCIMF's manifold recommendations set the standard spacing, size and flange rating so ships can connect at common terminals without special adaptors.
  • SOLAS Ch. II-2 and the applicable IBC/IGC codes for chemical and gas carriers set remote shutdown and segregation requirements that the manifold valve's actuation and ESD tie-in must satisfy.
  • Class surveys check valve tightness, actuator function, and ESD response time at renewal survey, and terminal vetting inspections (e.g. SIRE) check the same points independently before many port calls.

Typical faults

FaultConsequence
Seat or seal worn from repeated cycling and cargo abrasionValve fails to hold tight shutoff, leading to a weeping manifold flagged at the next terminal inspection
Actuator hydraulic or pneumatic supply leakingESD closure time lengthens beyond the certified figure, a finding that can stop cargo operations until repaired
Position indicator disconnected or drifted out of calibrationCargo control room shows a valve as closed when it is actually open, a serious operational hazard during a transfer
Blank flange gasket reused past its service lifeWeeping at the blank during lay-up, sometimes not discovered until a deck inspection

What to look for in a supplier

  • Manifold dimensions and flange rating built to the current OCIMF recommendation matching the vessel's size category.
  • Fire-safe design certification where the cargoes carried require it.
  • Actuator response time documented and tested against the ship's ESD closure time requirement, not just the valve's standalone cycle time.
  • Spares and seat kits available in a form the crew can fit without a full valve overhaul at the next drydock.

Test the manifold valve's ESD closure time as its own item, separate from a general valve function test; a valve that closes fine on a slow manual turn can still fail an ESD timing check if the actuator supply pressure has dropped.

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