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  ISO marine high-velocity relief valve
  The basic structure of high-velocity relief valve
  High velocity relief valve with gas freeing cover
  High velocity relief valve with heating device
  High velocity relief valve with forced closing device
  The main performance parameter of high velocity relief valve
  The selection of high-velocity relief valve
  The DF-ISO high-velocity relief valve
  Calculation of valve pipeline pressure drop
  The installment and maintenance of high-velocity relief valve
  High-velocity relief valve monitor equipment
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ISO MARINE HIGH- VELOCITY RELIEF VALVE

  The high-velocity relief valve (pressure/vacuum valve for cargo oil tank) generally uses by the relief system of the oil tanker and chemical tanker, according to the current regulations;IMO and IBC.
  ISO15364: standards of Ships and Marine Technology Pressure/Vacuum Valve for Cargo Tank and the publication of the IMO. MSC/Circ.1009 Circular provide standards for designing, manufacturing, experimenting and maintaining the high-velocity relief valve.
  Recently, Ship Design & Research Institutes and ship-owners ask for using the high-velocity relief valve which with high-quality, because the relief system used for oil tanker and chemical tanker is more important for the safety of the ship. It's not only for ensuring the safely of the cargo oil tank, avoid over-pressure or low-pressure; but also for controlling the fire, The dangerous of explosion and the releasing of the noxious gas. It also pays more attention on its practicability; provide the safest high-velocity relief valve with a good price.
  ISO aseismatic marine high-velocity relief valve is the right product which meets to the above demands of ship Design & Research Institutes and ship-owners。
  It changes the design method of the valve; make sure the valve is concerted sealed while it is closed. (Remark: the traditional high-velocity relief valve is in the contact seal while it is closed). The experiment proves the valve will open while the pressure of the system reaches to the set pressure; the valve stem is lifted or dropped while the pressure rising or falling. The stem will never full lifted and cracked while it under the maximum working pressure (less than 25kPa).
  The valve will be never vibrated while the ship is moving, because the valve is concerted sealed while it is closed. It is the best choice to release the mixture gas of the tank.
  The gravity type of the ISO high-velocity relief valve is its basic specification. It can reduce gravity and increase the magnetic force to make it becomes the gravity and magnetic type. The pressure differential will increases after the magnetic force is increased. Generally speaking, the Ship Design & Research Institutes and ship-owners will choose the traditional gravity type of the high-velocity relief valve for its safety.

Taixing Lanjie Shipping Safety Equipment Co.,Ltd
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