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Special Valves

Water Jet Suction Pump

water jet suction pump


The water jet suction pumps P20 from GF Piping Systems are used for pumping out pits, moving and mixing chemical waste, adding acids or leaches in water treatment, etc. They are self-priming and have no mechanically moving parts.

The basic principle of the water jet suction pump is that the propellant liquid passes through a nozzle and draws in with it the liquid or gaseous medium from the suction line, increasing its velocity. The result of this is that the propellant and the medium which is sucked in are mixed together. The amount of fluid propelled is a function of the propellant pressure and the size of the nozzle. The amount of liquid drawn in can be seen from the diagrams. The results shown are only guidelines and depend on the method of operation.

 

 

Fields of Application:

  • industrial water treatment
  • chemical process industry
  • swimming pools
  • aquariums

Advantages:

  • ideal for mixing, dosing and handling liquids
  • no mechanically moving parts
  • self-priming

 

 

 

Diaphragm Gauge Guard

Diaphragm Valve Type 315


The diaphragm-protected gauge guards Z700/Z701 from GF Piping Systems are used for the pressure measurement of neutral and corrosive media. The manometer is separated from the medium by a PTFE-coated diaphragm.

The pressure is transmitted using a buffer fluid. The large area of the diaphragm and the low compressibility of the buffer fluid ensure an accurate display. The large area of the diaphragm and the low compressibility of the buffer fluid ensure an accurate display. The large number of possible materials make for a wide range of areas of application.

 

 

Fields of Application:

  • water treatment
  • food & beverage
  • chemical prozess industry
  • cooling
  • ship building

Advantages:

  • all parts which come into contact with the medium are made of highly resistant plastics
  • no contact of the manometer with the medium
  • low-maintenance and installable in any position
  • accuracy ensured by the large area of the diaphragm

 

 

Filler, Filler and Breather

filler filler breather



The filler and breather valves V95/V91 from GF Piping Systems are primarily used where containers and pipes have to be aerated and/or vented.

The float in the V95/V91 opens the valve when the level of the liquid falls. If the level of the liquid rises, the float is raised and pressed against a seal. Then the valve is closed. For correct functioning, it is important that the V95/V91 filler and breather valves are installed vertically with the arrow pointing "up".

 

 

 

 

Fields of Application:

  • industrial water treatment
  • ship building
  • waste water
  • drinking water
  • automotive industry
  • power supply

Advantages:

  • all parts which come into contact with the medium are made of highly resistant plastics
  • no auxiliary energy required to operate the fitting
  • largely maintenance free

 

 

 

Throttle Sleeve

throttle sleeve


The throttle sleeves V251 from GF Piping Systems are used wherever fluids or gases need to be throttled in pipelines. The compact design, simple and robust construction and good control characteristics ensure high operational safety.

A spindle with cone narrows down the cross section of the opening in the housing, thereby restricting the volume flow to the desired value. The setting must be done with a tool (screwdriver or flat material) which has the advantage that the set value cannot be changed unintentionally.

 

 

 

 

 

Fields of Application:

  • industrial water treatment
  • ship building
  • automotive industry
  • power supply

Advantages:

  • good chemical resistance
  • practically maintenance-free and installable in any position
  • high operational safety thanks to compact and robust construction
  • good control characteristics from 0 to max. volume

 

 

 

 

Float Valves

float valves

 

 

The V140 float valves from GF Piping Systems are used to control automatically the supply to tanks and vessels. This way, a constant level can be maintained.

The float valve is fastened to the vessel wall at the desired level and connected to the supply line. When the fluid level rises, the float is lifted and closes the valve via the lever arm. When the fluid level sinks, the supply line is opened and the medium can enter until the respective level is reached again.

 

 

Fields of Application:

  • industrial water treatment
  • chemical process industry

Advantages:

  • optimal level control without auxiliary energy
  • robust and low-maintenance design
  • operational safety thanks to integrated seat seal
  • lever ratio
    - standard 1:10
    - on request 1:7 for tight installation space

 

 

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Updated on February 26, 2016 2:23 PM

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