Double disc gate valve


Double disc gate valve 700N

Our double disc gate valve :

Excellent tightness provided by the double disc with ball and socket design ; full bore

For all fluids with operating temperature below 400°C (752°F)

DN 10 to DN 900
3/8" à 36"
PN 10 to PN 250
150 to 1500 lbs

Type: 700

Functions – Double disc gate valve

♦ on/off valve : for tanks, reactors or process line

Construction – Double disc gate valve

  • 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 – Double disc gate valve

  • Service conditions: High pressure, High temperature, Low temperature, Abrasion, Corrosion, High viscosity, Vacuum
  • 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

Features & Options

Double disc gate valve 700N

DN 10 to DN 900
3/8" à 36"
PN 10 to PN 250
150 to 1500 lbs


♦ bidirectional sealing by metal/metal discs to seat contact
♦ double discs with ball and socket joint for optimum tightness
♦ full bore
♦ travel position indicator
♦ live loaded, bolted stuffing-box (self compensated compression with spring washers)
♦ integral connection flanges
♦ PED 97/23/EC compliant


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 – Double disc gate valve

– adaptation to any type of connection
– hard faced seating surfaces according
– vacuum tight
– stem bellows
– additional draining and/or cleaning nozzles
– seats sweeping with steam
– heating jacket
– firesafe design
– FDA grade gaskets and packing rings
– leak detector at stuffing box
– stroke limit or proximity switches
– dry air 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
– body by-pass system according to DN/Class
CAUTION : some options are not compatible

Pdf data sheet

Download (PDF, 305KB)