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Piston valve

g kolbenventilDN40 72

 

Piston Valve

No dead spaces
Especially suited for highly viscous and polymer substances

DN 15 up to DN 250
1/2" up to 10"
PN 10 up to PN 420 depending on nominal diameter
150 up to 2500 Lbs depending on nominal diameter

Function:
Installed under a container as a bottom drain valve
Attached at the side or vertically as a feeder valve
Below the boiler or attached laterally as a sampling valve 
On top of a container dome as a reactor cleaning valve
On a pipeline as a sampling valve or a feeder valve 
In a pipeline as a dead room free shut of valve

Manufacture:
Material: C-steel (CS), stainless steel (SS), duplex & super duplex, titan (Ti), zirkonium (Zr), uranus® B6, nickel (Ni), hastelloy®, monel
Design: welded or cast

Application:
Operating conditions; High pressure, high temperature, cryogenic temperature, abrasive an corrosive substances, vacuum

Medium : Liquids, liquids with solids, gas, powder and powdery substances, viscous and highly viscous substances  
Application: Fine mechanic, plastics and polymer, chemical and petrochemical.

Tightness:
Metallic seal via piston with conical seat
Radial soft seal, o'ring etc. 

Actuation:
Hand wheel or lever depending on nominal diameter, dead man's lever, single or double acting pneumatic drive, (depending on DN, PN and / or hub) electric or hydraulic drive, pressure air motor.

Obturator:
Piston (cylindrical or with sealing edge)

Options:
♦ Adaptation for any kind of connection
♦ Piston tip contoured to avoid dead spaces
♦ Crust breaking function
♦ Hard facing of the seating areas depending on medium and / or operating pressure
♦ Vacuum tightness
♦ Fires safe design
♦ Heating jacket
♦ Seals and packing with FDA approval
♦ Stuffing box with leakage monitoring
♦ removable seat
♦ Internal and / or external surfaces polished
♦ Additional nozzles for cleaning and / or venting
♦ Limit switch or detector
♦ Emergency actuation on pneumatic drive
♦ Pneumatic drive (for operation in dry air)
♦ Material pneumatic drive: stainless steel
♦ Chain wheel drive
♦ Hand wheel with extension or if required with cardan joint
♦ ISO-base plate (for subsequent easy fitting of actuator)
♦ Electric drive with remote control

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