Ball and plug valve

Functions – Ball and plug valve

♦ on/off valve : installed on reactor, vessel or piping
♦ multiway ball valve
♦ multiway plug valve, lift type for low friction and improved lifetime (specially for the polymer production sector)

Sealing system

♦ Metal/metal seating
♦ Metal/PTFEseating (maximum operating temperature +180°C)
♦ Metal/PTFE filled seating (maximum service temperature +200°C)

Operation

Quarter turn lever,double acting pneumatic actuator,single acting pneumatic actuator,electric motor, air motor

Closing device

ball, trunnion type ball according to DN/Class, plug

Operating principle – Ball and plug valve

– Shutter : Ball
– Sealing : With stuffing box (repackable in service)
– Floating ball or Trunnion ball design

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Fabrication – Ball and plug 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, Solid

Uses – Ball and plug valve

• Service conditions : High temperature, Low temperature, Corrosion, Low acoustique signature
• Types of fluids : Liquids, Liquids with solid particles, Gas, Powder and powdery media, High viscosity fluids
• Applications : Fine chemicals, General chemicals, Petrochemicals, Nuclear and Naval / Submarine, Cryogenic service