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Marine Specialty Valves

Deck and Sounding Access Boxes
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Deck and Sounding Access Boxes

Deck access boxes and sounding tubes are used to take the measurement of fluid in the tanks. They are also used for reach rods to lower decks. They come in sizes from 1-1/2 inches to 2-1/2 inches and are available in steel body or stainless body and with bronze plug with square or rectangular holes. The wrenches used to open these boxes are also available, if needed. W&O’s experienced professionals can help assure that you get the precise products you need for your unique applications.

  • DWG# 1385848 - Deck Boxes
  • DWG# 1385791 - Sounding Tubes
  • DWG# 3285831 - Sounding Tubes

Documents
W&O General Products Catalog The 2013 General Products Catalog. Your source for pipes, valves, fittings, and engineered solutions. 10.2MB
W&O Navy Deck & Sounding Access Tubes W&O Navy Deck & Sounding Access Tubes product information and dimensions 1.13MB
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Drain and Scupper Valves
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Drain and Scupper Valves

Scupper valves—also known as discharge-check or storm valves—are basically swing-check valves with a closing device. A closing device is usually a hand wheel, but it can also be actuated. Scupper valves are usually found on ships in sanitary piping systems that have a ship-side exit and prevent seawater from entering the system during a heavy sea. They are also used on overboard-discharge lines. W&O’s offers scupper valves in a variety of types and sizes to fit all of your applications.

  • All bronze construction or cast steel with bronze trim
  • 150lb commercial ANSI, Navy or metric flange drilling
  • Available with or without gag control
  • Available in Horizontal, Vertical or Angle type

Documents
W&O General Products Catalog The 2013 General Products Catalog. Your source for pipes, valves, fittings, and engineered solutions. 10.2MB
Scupper Valves Available sizes and types 86.8KB
Metric Storm Scupper Valves DIN and JIS specifications 200KB
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Eductors
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Eductors

Eductors are used to pump liquids from chain lockers, tanks, cargo holds, bilges, lockers or similar spaces. Pressure through an inlet creates pumping suction from one side and discharge out the other side. Suction/discharge can be a straight-through or angle arrangement. W&O’s large inventory includes eductors in bronze with flanged or threaded connections for portable use or permanent installation and in a wide range of styles and sizes.

  • Self-priming liquid jet pumps utilize liquids and liquid/solid mixtures under pressure to create pumping action
  • In standard eductors, the inlet pressure liquid discharges through a single nozzle to start pumping
  • There are no moving parts to break down or wear out
  • A peripheral jet-type eductor utilizes straight-through, unrestricted flow, allowing passage of larger suspended solids
  • Inlet pressure liquid is discharged through a multi-jet nozzle that permits handling of larger volumes of air
  • Suitable for pumping bilges, stripping ballast or priming large pumps
  • Cannot lose suction: every gallon of inlet liquid (seawater) can pump up to 1½ gallons of suction liquid (bilge water)

Documents
W&O General Products Catalog The 2013 General Products Catalog. Your source for pipes, valves, fittings, and engineered solutions. 10.2MB
Educator Styles Available sizes and styles 156KB
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Level Indicators
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Level Indicators

Sight flow indicators, or drip tubes, are an economical way to provide quick and reliable evidence of flow with a systems line. If there are any flow problems in the line, the sight flow indicator will allow for visual monitoring of the systems line. W&O offers many types of sight flow indicators to meet various conditions of pressure, temperature, fluid types and mechanical dimensions.

  • Flapper type for horizontal or vertical upward flow / also good for gases
  • Drip type for vertical downward flow of liquids
  • Rotary type for installation in any position liquids or gases
  • Available in all sizes and common materials (bronze, steel or stainless) and with threaded, socket, brazed or flanged ends

Documents
W&O General Products Catalog The 2013 General Products Catalog. Your source for pipes, valves, fittings, and engineered solutions. 10.2MB
Sight Flow Indicators Available types 200KB
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Manual Remote Valve Operator
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Manual Remote Valve Operator

A remote valve-operator system uses a mechanical connection to operate valves from a remote location. Rigid rod components are used when operating speed is slow or intermittent and rotates in either direction. W&O can help with design factors that are used to determine the specifications of suitable rigid-rod components in a remote valve-operator system.

  • Flexible rod systems are used in locations that are too compact
  • For traditional reach-rod assemblies

Documents
W&O General Products Catalog The 2013 General Products Catalog. Your source for pipes, valves, fittings, and engineered solutions. 10.2MB
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Public Health Valves
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Public Health Valves

Public-health valves, also known as backflow preventers, are installed in potable water systems to protect the water from potential hazards. Backflow devices are required by law and must be installed in accordance with public-health codes.

  • There are many different types of backflow preventers used in various applications
  • The Double Check Valve Assembly (DCVA) is essentially two single check valves assembled within one body and furnished with four test cocks and two shut-off valves.
  • A DCVA is commonly used to protect against low to medium hazard installations such as food processing equipment or sprinkler systems.
  • A Reduced Pressure Zone Assembly (RPZ) contains two independently acting spring loaded check valves separated by a spring loaded differential pressure relief valve, two shutoff valves, and four test cocks.
  • A vacuum breaker is an accessory placed on a faucet valve, toilet, or flush valve that prevents the reverse flow of polluted water from entering into the potable water supply due to back-siphonage.

Documents
W&O General Products Catalog The 2013 General Products Catalog. Your source for pipes, valves, fittings, and engineered solutions. 10.2MB
Public Health Valve Recommendations Cross-connection Q&A relating to backflow prevention products and protection of safe drinking water supply. 471KB
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Quick Opening Valves
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Quick Opening Valves

Quick-opening and self-closing valves are used in many shipboard applications. Quick opening valves operate with a sliding stem and open faster than traditional hand-wheel-operated valves. Many of these valves are available with spring handles or weighted levers to insure the valve will close when left unattended. Solenoid valves can also be included in this type of valve as they are electrically operated, quick-opening valves.


Documents
W&O General Products Catalog The 2013 General Products Catalog. Your source for pipes, valves, fittings, and engineered solutions. 10.2MB
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Spectacle Blinds
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Spectacle Blinds

The spectacle blind provides positive, permanent shutoff in a piping system where there might be a potential leaky valve. When the blind end of the spectacle plate is clamped in position, media cannot leak to the downstream side. This allows workers to fix the leak and avoid any potential hazards from the upstream side.

  • Especially useful in critical separation
  • The uninstalled end of the spectacle plate is visible outside the valve body, providing a positive visual indication of its open or closed status
  • Available in 2" - 24"
  • Material type available in Cast Steel and Stainless Steel
  • Connection types are Flanged and Butt-Weld
  • Replacement spectacles and spectacle O-ring gaskets available
  • Steel valves are supplied standard with steel spectacles though stainless spectacle plates are available on request
  • Operation is easy: Insert a bar/pipe into cam bolts and loosen, this will spread the pipe line, allowing the spectacle blind to be rotated to stop or allow the flow of media in the line and finally tightening the cam bolts to seal the pipe line; no other special tools required

Documents
W&O General Products Catalog The 2013 General Products Catalog. Your source for pipes, valves, fittings, and engineered solutions. 10.2MB
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Suction Bellmouths
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Suction Bellmouths

Suction bellmouths are designed to maintain efficient suction during final stripping of liquid cargo tanks. Their unique design minimizes hydraulic loss and prevents vortex and gas formation when pumping liquids from the bottoms of the tanks.

  • Permits close "stripping" of liquid cargo
  • Available in Cast Carbon Steel in sizes ranging from 3" to 20"
  • Standard connection configuration is a beveled butt-weld type ends
  • Optional connections include flanged ends to ANSI, DIN and JIS specifications

Documents
W&O General Products Catalog The 2013 General Products Catalog. Your source for pipes, valves, fittings, and engineered solutions. 10.2MB
Suction Bellmouths Valve description 2.42MB
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