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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

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

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

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.

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

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.

Piston (cylindrical or with sealing edge)

♦ 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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