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Tank Bottom Ball Valve

 
Design:
  • Low sump area
  • Cavity free
  • Full bore
  • Direct mounting to vessel flange
  • Unique push fit design (easy maintainability/ low torque)
  • Angled stem design
  • Double sealing of vessel flange
  • One piece body design
  • Adjustable and maintenance free stem sealing with additional O-ring
  Design Per Customer Requirements:
  • Metal to metal sealing system for high pressure, high temperature and abrasive operating conditions
  • Ball valve design customizable to special vessel flanges
  • Bottom vessel flange contour can be adapted to vessel shape.
  • Heating jacket
  • Flushing connection
  • Extended stem
  • Double packed stuffing box design
  • Antistatic- Design
  • Scraper chamfer for cutting viscous product
Leakage Test 
• Acc. To EN 12266-1 leak rate A 
Actuator mounting flange 
• DIN/ISO 5211
Connection To Vessel 
• Vessel bottom flange acct. to DIN28117/28140 
• Special connection as per customers’ request
     
 

Specifications:
TYPE : Flush Bottom Tank Bottom Ball Valve
PORT : Full Bore
SIZE : 15 mm to 250mm NB
Pressure Rating :
ASME #150PN 20
ASME #300PN 50
ASME #600PN 100
Temperature Range 35 Deg C to 280 Deg C (Soft Seated)
Body Materials Stainless Steel / Carbon Steel / Alloys
Design Standard API 6D rev 23; ISO 17292 rev 2004
End Flanges ASME B16.5 2013
Face to Face Dimension Non-Standard (As per Manufacturer)
Fire safe design API-607 Rev 2010
Testing API 598 Rev 2009
Sour Service NACE MOR 0175 Rev 2009
Documents BS/EN 10204-3.1 REV 2004
 

Other Information

Technical Details

The SANKEY TBV series flush bottom tank ball valve incorporates all the benefits of ball valve negating the disadvantages of conventional flush tank valve. Our Sankey TBV series valve incorporates the geometric design of the mounting Pad, which is welded to the tank, allowing a smooth flow and prevent stagnating of the media.

Our Valves offer the best solution:

  • Where minimum Dead Space between ball and tank is required.
  • Where media could stagnate at tank outlet.
  • Where Full blending of reactor volume is imperative

Advantage over a conventional tank bottom valve

  • Higher CV
  • Direct Flow
  • Simple Quarter turn operation (Easy automation)
  • Low weight and compact
  • Easy maintenance

Valve Application

Filter dryer / vacuum dryer / Stirrer vessel / Transport vessels / Reactor / Other vessel

Areas of application

Chemical/ Pharmaceutical/ Food /Cosmetics

Media

Gases /Fluids /Emulsion/ Syrup / Paint / Food Product (Chocolate etc.) /Granulate material /Powder

 
Key Features 

SANKEY Tank Bottom Ball Valve

Low sump area

By the use of an angled stem design and the direct mounting to the vessel bottom flange, the Sankey bottom outlet ball valve ensures flush fitting with the vessel inner bottom.

  • Minimal accumulation of product between ball valve ball and vessel inner bottom
  • Improvement of product mixing in stirrer vessel
  • Reduction of efflorescence and product agglomeration
  • Avoiding false samples
Cavity free

The usual cavity between ball and housing in non- cavity free ball valves give cause for disturbance because residual products can crystallize, polymerize and so affect the function.

  • Clean, non- false product
  • No sediments of expensive products in the ball valve housing
Angled stem design

Because of the further distance from the actuator mounting flange to the vessel, it makes the automation of the ball valve and isolation of the vessel very convenient.

  • Easy automation of ball valve
  • Easy isolation of vessel
  • Flush fitting of ball valve with vessel inner bottom
Direct mounting to vessel flange

The ball valve is mounted directly using screws or bolts to the vessel flange.

  • Direct and easy assembly of ball valve to the container flange
 
BOM  Actuation 
 
Bill Of Material
SR.NO. PART NAME STAINLESS STEEL CARBON STEEL QTY
1 BODY ASTM A351 CF8M ASTM A216 WCB 1
2 INSERT ASTM A479 SS316 ASTM A216 Gr WCB 1
3 BALL ASTM A276 SS316 ASTM A276 SS316 1
4 STEM ASTM A479 SS316 ASTM A479 SS316 1
5 SEAT PTFE PTFE 2
6 SEAT SEAL GRAPHITE / INCONEL GRAPHITE / INCONEL 2
7 GLAND SS316 MS 1
8 STEM THRUST WASHER GFT GFT 1
9 STEM O-RING VITON VITON 2
10 END CONN. O-RING VITON VITON 2
11 CAVITY 1 PTFE PTFE 1
12 CAVITY 2 PTFE PTFE 1
13 LEVER SS410 SS410 1
14 STOPER MS MS 1
 
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