Tank bottom valve, rising disc


Tank bottom valve  rising disc 602M

Our tank bottom valve, rising disc  :

For any liquid, powder or gas. Optional bellows if dangerous product.

Opening inside tank for “crust breaking” function, no retention areas. Tank safe option to prevent medium discharge in case the valve body is accidentally pulled out

DN 20 to 400
3/4" à 16"
PN 10 to PN 150
150 to 900 lbs

Type: 602

Functions – Tank bottom valve, rising disc

♦ emptying or withdrawal valve : at tank / reactor bottom ; in-line with pipe adaptor

Construction – Tank bottom valve, rising disc

  • Construction materials: Carbon Steel (CS), Stainless Steel (SS), Duplex & Super Duplex, Inconel & Incoloy®, Titanium, Zirconium, Uranus® B6, Tantalum, Nickel, Hastelloy®, Monel
  • Construction methods: Fabricated (Welded), Cast

Uses – Tank bottom valve, rising disc

  • Service conditions: High pressure, High temperature, Low temperature, Abrasion, Corrosion, High viscosity, Vacuum, Dead space free
  • Types of fluids: Liquids, Liquids with solid particles – Slurry, Gas, Powder and powdery media, High viscosity fluids
  • Applications: Fine chemicals, Plastics and polymers, General chemicals, Petrochemicals, Cryogenic service

Features & Options

Tank bottom valve  rising disc 602M

DN 20 to 400
3/4" à 16"
PN 10 to PN 150
150 to 900 lbs


♦ body inside shaped to improve fluid flow (no dead areas)
♦ metal-to-metal or PTFE-to-metal disc/seat tightness
♦ flush or extended disc on request
♦ position indicator
♦ 60° outlet (cast design) or 45° outlet (welded design)
♦ bolted stuffing-box, live loaded with spring washers
♦ solid connection flanges
♦ in compliance with PED 97/23/EC


Handwheel,double acting pneumatic actuator,single acting pneumatic actuator (limited by size/pressure class and/or stroke),hydraulic actuator,electric motor,air motor

Closing device


Options – Tank bottom valve, rising disc

– adaptation to any type of connection
– other outlet angle
– “tank safe” design with double disc
– disc with double tightness system (PTFE/metal + metal/metal seated disc)
– hard faced seating surfaces according
– profiled disc to fit the tank or pipe contour (no dead areas)
– disc with aluminium seating surface
– disc o’ring
– removable seat
– o’ring on body extension (no dead areas)
– vacuum tight
– stem bellows
– temperature sensor through disc
– additional draining and/or cleaning nozzles
– heating jacket
– firesafe design (certified)
– FDA grade gaskets and packing rings
– leak detector at stuffing box
– inside and/or outside polishing
– stroke limit or proximity switches
– side mounted pneumatic actuator
– manual override for pneumatic actuator
– stainless steel pneumatic actuator
– actuator locking in closed position (safety)
– manual operator with locking mechanism
– extended manual operator, optionally with cardans
– manual operator mounted on ISO base for later adaptation of motor
– electric actuator with local / remote controls
CAUTION : some options are not compatible

Pdf data sheet

Download (PDF, 462KB)