Piston Valve

  Tank Bottom Valve
  Multi-way Valve
  Gate Valve
  Slide Valve
  Globe Valve
  Ball Valve & Plug Valve
  Butterfly Valve
  Check Valve
  Piloted Safety Valve
     
     
   
  法国(贵聪)






  Application FieldsPetrochemicals    General chemicals     Plastics and polymers    
Fine chemicals    Nuclear and navy   Cryogenic service    Other applications
Tank Bottom Valve
 

Our Disc type valves are usually for installation at the bottom of tanks or reactors for liquids outlet or draining:

  • disc rising in the tank to open, crust breaking function (types 602 and 603)
  • disc lowering in the valve body (type 607)

The disc seating surface is with PTFE to metal contact for operating temperature up to 180°C or with metal to metal contact. These valves have been fire safe tested and qualified. The tank connection is by done by counter flange or pad.
Main optional arrangements :

  • profiled disc for regulating/control service (type 607)
  • interchangeable seat
  •  temperature sensor integrated to the disc
  • stem bellows
  • body purge or drain nozzles
  • heating jacket
  • side mounted actuator
  • vacuum service.
 

Operation

  • handwheel with manual gear if required
  • single or double acting pneumatic actuator (manual override)
  • electric or hydraulic actuator.

Materials
These valves can be manufactured in fabricated (welded) or cast construction, in a large choice of carbon or stainless steel and alloys.

Range
Size 1’’ to 20”                            150 to 1,500 Lbs
DN 25 to DN 500                     PN 10 to 250
Product
 

Tank bottom valve, rising disc 
Type : 602, 622, 652

  • Fabricated (welded) or cast construction)
  • Size 1 in. to 20 in., class 150 to 1,500
  • Manual, pneumatic or electric operation
 

Tank bottom valve, straight pattern
Type : 603, 623, 653

  • Fabricated  (welded) or cast construction
  • Size 1 in. to 20 in., class 150 to 1,500
  • Manual, pneumatic or electric operation
 

Tank bottom valve, lowering disc
Type : 607, 627, 657

  • Fabricated (welded) or cast construction
  • Size 1 in. to 20 in., class 150 to 1,500 Lbs
  • Manual, pneumatic or electric operation