SKU: BLSS

316 Stainless Steel Socket Weld Manual Ball Valve

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316 Stainless Steel 3 Piece Ball valve with full bore and ANSI Socket Weld end connections. This high performance valve is suitable for many applications such as the water, chemical, petrochemical, marine and general industries. With an ISO pad and Lockable Lever, this makes this valve a versitile fit for many applications, whether by Manual Lever or Actuator / Gearbox.

  • ANSI Socket Weld End Connections to ANSI B16.11, Length to DIN3202-M3
  • Reinforced PTFE Seats suitable for a wide range of media and temperatures up to 180°C (Refer to Pressure Temperature Curve and Material Data sheets for Chemical Compatibility). 50% Stainless Steel & 50% PTFE seats available as an option for higher temperature service
  • Self Adjusting Stem Packing by the use of Belleville washers which assist with temperature fluctuations and vibrations.
  • ISO5211 Mouting pad with holes pre drilled to Metric sizes to support a range of actuators
  • Vented design on the Neck of the Valve allows for a reduction in thermal transfer from the valve to the actuator
Model Size (BSP) Size (mm) Media Pressure Media Temperature Torque (NM)
BLS2S-L-RT 1/4 8 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 5
BLS3S-L-RT 3/8 10 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 5
BLS4S-L-RT 1/2 15 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6
BLS5S-L-RT 3/4 20 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 10
BLS6S-L-RT 1 25 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 16
BLS7S-L-RT 1 ¼ 32 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 24
BLS8S-L-RT 1 ½ 40 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 32
BLS9S-L-RT 2 50 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 50

Stainless Steel Socket Weld Ball Valve Pressure vs Temperature 

Socket Weld Stainless Steel ball Valve

Pipe   Size Socket   Bore Diameter    
Min Depth of Socket   
min   (mm) max (mm) (mm)
1/4" 14.2 14.6 9.5
3/8" 17.6 18 9.5
1/2" 21.8 22.2 9.6
3/4" 27.2 27.6 12.5
1" 33.9 34.3 12.5
1-1/4" 42.7 43.1 12.5
1-1/2" 48.8 49.2 12.7
2" 61.2 61.7 16

Size 1/4" to 2" Socket Weld
Body 316 Stainless Steel 3 piece
Seat Reinforced PTFE
Pressure 63 BAR
Temperature -20°C to 180°C
Actuation Lockable Lever

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