Polymer gate valve


Polymer gate valve 702C

Our polymer gate valve :

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

Particularly suitable for polymers

DN 15 to DN 200
1/2" à 8"
PN 10 to PN 50
150 to 300 lbs

Type: 702

Functions – Polymer gate valve

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

Construction – Polymer 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 – Polymer 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: Plastics and polymers, General chemicals, Petrochemicals, Nuclear and Naval / Submarine, Cryogenic service

Features & Options

Polymer gate valve 702C

DN 15 to DN 200
1/2" à 8"
PN 10 to PN 50
150 to 300 lbs


♦ uni-directional shut off by metal/metal discs to seat contact (flow direction marked on body)
♦ double discs with ball and socket joint for optimum tightness
♦ orifice in downstream seat to avoid fluid retention in body (draining in closed position)
♦ full bore
♦ travel position indicator
♦ 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 – Polymer gate valve

– adaptation to any type of connection
– hard faced seating surfaces according
– additional draining and/or cleaning nozzles
– heating jacket
– firesafe design
– 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
CAUTION : some options are not compatible