Injection Quills with Double Block & Bleed Valve



In modern applications, it's often necessary to sample process fluid or inject chemicals directly into the process stream at full pressures and temperatures.

Verito offers a variety of Double Block and Bleed Valves, including one-piece body DBB, Modular Type, Monoflange Valves, and Manifold Valves, which can be equipped with Injection Quills or Sampling Probes.

These units, tailored to meet specific application needs, may include an Integral Check Valve to prevent backflow into the process stream.





  • Type: Non-Tee Type, Double Block & Bleed Valves
  • Material Of Construction: SS304, SS304L, SS316, SS316L, Super Duplex Stainless Steel, Hast Alloy, Inconel Alloy, Special Alloy.
  • Operating Pressure: 0 - 200 Bar Max.
  • Design Temp: -20℃ to 200℃
  • Process Connection: Flanged, class 150 to 2500, ASME B16.5
  • Inlet Connection: Flange, threaded or weld.
  • Certificates: (I) Type 3.1 - EN10204 For Pressure Containing Parts (II) Type 2.2- EN10204 For Non-Pressure Containing Parts + Gaskets, Seals, Cover, Etc.
  • Location / Orientation: Top of Pipe (12’O Clock & 2’O Clock Position)
  • Injection Quill Size: upto 3”
  • Quill Length: upto 1000 mm
  • Code Compliant: ASME, code B31.3, ISO


  • Enhanced safety through the utilization of metal-enclosed double block valve.
  • Compact design
  • Reduced leakage points & Leak-tightness tested in conformity with BS6755/ISO 5208 with an A-level leakage rate.
  • Can be Offered with customizable arrangement
  • Ease in installation and maintenance


  • Oil & Gas
  • Pharmaceuticals
  • Power
  • Chemicals & Fertilizers
  • Paper Industries
  • Water, Waste Water, Sewage
  • Petrochemicals
  • Food & Beverages