Double Disc Throught Conduit Gate Valve (DDTCGV)

Double Disc Throught Conduit Gate Valve

Parallel seated gate valve w. substituting ring 708

Our Double Disc Throught Conduit Gate Valve (DDTCGV) :

Through conduit design, no retention areas, no pressure loss.

Low wear of sealing surfaces.
Steam overpressure in body to prevent product entry

DN 150 to DN 1400

6" to 56"

PN 20 to PN 100

150 to 600 lbs

Type: 708

Functions – DDTCGV

♦ shut off valve for in-line installation

Features

♦ bi-directional tightness by metal-to-metal seat/gate contact
♦ thrusts on body to prevent jam of gate during operation
♦ spring washers on stem to absorb possible overtorque and protect seats and gate
♦ at full opening, fully unimpeded flow enabled through substituting ring
♦ through conduit design, no retention area, circulation of cleaning devive (pigging) enabled
♦ bolted stuffing box, self-adjusted with spring washers
♦ PED 97/23/EC compliant

Operation

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

discs

Construction – DDTCGV

Construction materials: Carbon Steel (CS), Stainless Steel (SS)
Construction methods: Fabricated (Welded), Casted

Uses – DDTCGV

Service conditions: High temperature, Low temperature, Abrasion, Corrosion, High viscosity, Vacuum, Low acoustic signature, Dead space free
Types of fluids: Liquids with solid particles, Gas, Powder and powdery media, High viscosity fluids, gas whith solid particules, particules, cracked gas, coke
Applications: Petrochemicals, Plastics and polymers, General chemicals