Bellows sealed gate valve

Bellows sealed gate valve

Our bellows sealed gate valve :

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

Bellows sealed stem, for all fluids up to 400°C (752°F)

DN 10 to DN 900

3/8" à 36"

PN 10 to PN 50

150 to 300 acc. to DN

Type: 709

Functions – Bellows sealed gate valve

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

Features

♦ bidirectional sealing by metal/metal discs to seat contact
♦ double discs with ball and socket joint for optimum tightness
♦ primary external tightness by stem bellows
♦ secondary tightness by live loaded, bolted stuffing-box
♦ full bore
♦ travel position indicator
♦ integral connection flanges
♦ 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 – Bellows sealed 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 – Bellows sealed gate valve

Service conditions: High temperature, Low temperature, Corrosion, High viscosity, Vacuum
Types of fluids: Liquids, Liquids with solid particles – Slurry, Gas, High viscosity fluids
Applications: Plastics and polymers, General chemicals, Petrochemicals, Nuclear and Naval / Submarine, Cryogenic service