
Injection & Sampling
Injection Double Block & Bleed Valves
Function – Injection
Injection of chemicals and other media into the process stream can be accomplished with this design. A check valve is installed to prevent process fluid from reaching the inlet injection position. There is o.125″ (3 mm) hole in the injection nozzle orifice. The length of the injection nozzle orifice can be manufactured to meet customer requirements. The injection orifice can also be rotated. Injection valves can be provided in most of the styles and options offered for the DBB ranges

Injection Quill
The injection quill length (L) is manufactured to meet customer requirements.
The injection nozzle is a 3 mm diameter hole (standard)
Integral Check Valve
This poppet type spring return valve has a FKM soft seal (standard).
Sampling Double Block & Bleed Valves
Function – Sampling
This design is developed to remove a sample directly from process stream at full system pressure. The customised sampling probe extends from the pipe flange connection for correct sample removal. Sampling valves can be provided without a probe and valves can be provided in most of the styles and options offered for the DBB ranges.

Sampling Probe
The sampling probe length (L) is manufactured to meet customer requirements.
For any inquiries or extra information required about FITOK’s Sampling Double Block & Bleed Valves as well as Injection Double Block & Bleed Valves or any other FITOK products please contact our sales team: sales@nvfcl.com or call 01942601209.