BB DISCOCHECK Dual-Plate Check Valves

Our solutions will help you to...

Flame image connected to plug

Save energy

Bar chart showing downward trend

Reduce operating costs

Cog image containing tick

Improve system reliability

Cog containing downward arrow

Reduce maintenance costs

Maximise operating efficiencies and reduce costs

BB DISCOCHECK dual-plate check valves are designed especially for systems or applications where there is low pressure drop.

These check valves prevent backflow in horizontal and vertical pipelines.  They are wafer-type valves with a double swing design, two hinge pins and four springs.

BB DISCOCHECK dual-plate check valves can be used with a wide range of liquid, gas and vapour systems.

What are the features?

  • Ideal for gas and liquid applications
  • Optimised flow to reduce energy loss
  • Low wear operation with a long service life
  • Stable operation to suit a wide range operating conditions
  • Anti-corrosion linings stopping debris build-up

Sales brochures (PRO)

Document Language Reference number Download
A - B Product overview English PRO_810815 Download PDF
Dual-plate check valves BB 3 GESTRA DISCOCHECK® English PRO_850135 Download PDF
Non-return (check) valves for HVAC systems, sanitary applications and industrial technology English PRO_810107 Download PDF
Product range technical information, 2021 English PRO_850128 Download PDF
제품 개요 Korean PRO_850177 Download PDF

Data sheets (DBL)

Document Language Reference number Download
Dual-Plate Check Valve BB 3...C steel, BB 3...A stainless steel EN series: PN 10/16/25/40, DN 50 - 500 ASME series: Class 150/300, NPS 2" - 20" English DBL_819635 Download PDF
Dual-Plate Check Valves BB EN Range DN 50 up to 1000, PN 6 up to 160 ASME Range 2" up to 40", Class 150 up to 900 English DBL_810439 Download PDF
Dual-Plate Check Valves BB with Anti-Corrosion Lining EN Range DN 150 up to 1000, PN 6 up to 16 English DBL_819223 Download PDF

Installation and maintenance instructions (BAN)


Dual-Plate Check Valves BB 1, BB 2, BB 1 ASME, BB 2 ASME



Reference number



Download PDF

Your local steam and condensate experts

We're here to help you find the right solutions for your industry

We can help you improve system performance today

Our technical experts will get back to you shortly