DBB (Needle–Needle–Needle)

DBB (Needle–Needle–Needle)

The ELAF DBB (Needle–Needle–Needle) valve is a compact Double Block and Bleed (DBB) solution designed with three precision needle valves integrated into a single body. This configuration provides reliable double isolation with a bleed function for safe venting and pressure release. The needle–needle–needle arrangement ensures precise flow control, high sealing integrity, and reduced leak paths, making it ideal for instrumentation and process applications requiring compactness and safety.

Key Features

  • Triple Needle Valve Design – Two isolation valves and one bleed valve integrated in one body.
  • Compact Construction – Saves space and weight compared to conventional multi-valve setups.
  • Enhanced Safety – Provides positive isolation and prevents leakage.
  • Compact & Lightweight – Ideal for small-bore pipelines and instrumentation systems.
  • Material Flexibility Available in stainless steel, carbon steel, and other alloys.
Low Pressure Ball Valve

Specification

Valve Type
Double Block and Bleed (Ball–Needle–Ball)
Size
1/4" to 2"
Pressure Rating
Up to 6000 PSI
Thread Type
NPT / BSPT / Metric (as applicable)
Material Option
Stainless Steel 316, Duplex, Super Duplex, Inconel, Monel, Hastelloy-C276, etc.

Need a custom size or material? Contact ELAF Valves for tailored configurations.

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