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Products  >  Valves  > Control valves
 
 
 
 
  BY-PASS TURBINE VALVES

The main function of a Turbine Bypass valve is to handle the difference between the generated and
consumed steam flows during transient and emergency situations.

In thermal power stations, the whole process of generating energy revolves around the turbine. At the
turbine, the kinetic energy of the incoming gas/steam medium is first converted into rotational energy
and subsequently in the generator into electrical power. Effectively protecting these complex components
from mechanical damage is a key concern of power station operators, from both technical and economic
perspectives. For this reason, a bypass valve is installed at every turbine stage.

Turbine bypass valves are steam conditioning valves that meet specific requirements: they are used for
bypassing, to protect and to start up steam turbines.

  STEAM CONDITIONING



“Steam Conditioning is the combination of pressure reduction and temperature
reduction of superheated steam to fit process needs, protect downstream equipment
or allow the use of less expensive materials or schedules for downstream piping. This
is done with a pressure reducing valve and a spraywater addition section either as
separate units or a single device.

• Desuperheaters/Attemperators

Devices used to inject controlled amounts of cooling water into a superheated steam
flow to reduce or control steam temperature..

  XOMOX TUFLIN® PLUG CONTROL VALVES


• Identical technical features like the two-way-valve
• Regulation of the process medium by means of Flow Cage and Control Plug
• Control valve with tight shut-off
• Size Range: DN15 - DN300 (1/2” - 12”)
• Pressure Range: PN10 - 40 / ANSI Class 150-300
• Temperature Range: -100ºC to +280ºC
• Materials: Carbon Steel 1.0619, A216 WCB, Stainless Steel 1.4408, 1.4539, CF8M,    CN7M, Monel A494-M-35-1, Alloy B2, Alloy C4, Titanium... (other materials on request)
• Options: FIRE SAFE, Oil- and Grease-free i.e. for Oxygen, Special designs for specific    applications

  CRANE® PACIFIC HF ACID VALVES

PACIFIC has been manufacturing valves for this very difficult service for over 50 years. They are the only
valve manufacturer originally approved by all the major hydro-fluoric acid licensors (U.O.P., Phillips Petroleum
and Chevron) in all sizes and pressure ranges.

• Size Range: UOP & PHILLIPS Gate, Globe & Check valves Class 150 / 800 1/2” to 36”

  ULTRA HIGH PURITY VALVES

Ultra High Purity valves is a range of low pressure high performance compact diaphragm valves designed for high demanding applications in semiconductor manufacturing processes and for the increasing challenges in ultra high purity gas delivery systems.

• Size range: 1/4” - 3/8” - 1/2”
• Temperature range: 10º to 80ºC
• Body material: Stainless steel 316L
• Pressure Rating: 250 psi
• Body design: 2 & 3 way valve bodies
• Actuation: Manual & Pneumatic actuated