Piston valve
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