Tescom BB-3 Series

TESCOM BB-3 is a high pressure, low flow, miniature backpressure regulator. Six control pressure ranges are available up to 1200 PSIG [83 bar] outlet.  This backpressure regulator can be used for hydraulic or pneumatic service and is small and compact, weighing approximately 4 oz [0.11 kg] in the standard aluminum construction. Available also in 316 stainless steel construction. Ideal for use in portable or OEM equipment.

Features & Benefits

  • Economical and extremely compact
  • Durable piston sensor design
  • High flow capacity
  • High temperature (to 400°F / 200°C) version
  • Close pressure differential between crack and reseat
  • Bubble-tight shutoff at all reseating pressures
  • Five control pressure ranges

Specifications

Pressure Rating

Inlet Pressure Ranges:
Adjustable:
0-80, 0-140, 0-220, 0-700, 0-1200, 0-250 PSIG
[0-5.5, 0-10, 0-15, 0-48, 0-83 bar]
0-250 PSIG [0-17 bar]* (dome load only)
*3000 PSIG [207 bar] available, please contact TESCOM
Preset:
0-80, 80-140, 140-220, 220-700, 700-1200 PSIG
[0-5.5, 5.5-10, 10-15, 15-48, 48-83 bar]

 

Material

Body: Nickel-plated Aluminum or 316 Stainless Steel
Seat: Tefzel®, CTFE, PTFE or Vespel®
O-ring: Ethylene Propylene, Buna-N, Viton® or Kalrez®
Remaining Parts: 300 Series SST or Aluminum

 

Operating Temperature

-15°F to +165°F [-25°C to +74°C]
For extended temperatures from -40°F to +400°F [-40°C to +204°C], please consult TESCOM.

 

Port Size & Type

1/4″ NPT or SAE

 

Flow Capacity

Cv = .2

 

Load Type

Adjustable Preset
Dome Load (250 PSIG [17 bar]* maximum reference pressure)

 

Weight

Aluminum: .5 lbs [.23 kg]
Stainless Steel: 1 lb [.5 kg]