EDBB-B Series Double Block & Bleed Valve

The ‘Ball Needle Ball’ configuration Double Block & Bleed Ball Valve Manifold is fully approved to be supplied to many of the world’s petrochemical companies. The design provides an effective method for mounting gauges with facility to test and calibrate gauges and pressure switches.

Fire Safe Design
UNI Directional Flow
Servicing Kits
Severe Temp Rating
NACE Approved
PSV8 Approved
Specifications & Ratings
The EDBB-B Series offers roddability due to its straight through flow passage. The vent valve incorporates the long service fire safe 'N' Series needle valve, graphite multi-ring piston style packing and back sealing facility. Mounting holes supplied as standard for wall bracket mounting.
Valve Types
Double Block & Bleed, Ball Needle Ball
Pressure Rating
6000 psi
Temperature Rating
-40°C up to 150°C
Bore Size
Connection Size
1/4" - 3/4"
  • NPT
  • BSPP
  • BSPT
  • Compression Ended (Single & Twin Ferrule)
  • Butt Weld
  • Socket Weld
  • NPT
  • BSPP
  • BSPT
  • Compression Ended (Single & Twin Ferrule)
  • Butt Weld
  • Socket Weld
  • T Bar
  • Lever Option
  • Lockable
Material Options
Materials of manufacture are 316 SS as standard with other material options available.
Material Construction
  • Stainless Steel 316
  • Monel
  • Duplex
  • Super Duplex
  • 6Mo
  • Titanium
  • Hastalloy
  • Zirconium
  • Inconel
  • Incoloy
  • Carbon Steel
  • Ali Bronze
  • Brass
  • Other Materials can be made available upon request
Trim Material
  • Options available upon request.
Bolting Materials
Not Applicable
Material Traceability
Testing & Design Standards
All Alco Valves Group products are designed to comply with or exceed internationally recognised products. API 598 approved tested.
Testing Standards
API 598
Design Specifications
MSS SP 99 and others.
Fire Safe Standards
ISO 10497
Relevant Approvals
Customer specifications can be adhered to.
Ready To Go ( RTG )
This valve is readily available off the shelf RTG. 1/2" in 316 construction.