Diaphragm air operated valves

Features and advantages

 All SITEC high-pressure valves are available with diaphragm type air operators for remote control. High reliability. To satisfy all safety requirements, the valves can be ordered with the following air operator functions:
NO: normally open, air 6 bar to close.
NC: normally closed, air 6 bar to open. Easy and solid installation with mounting angle. Variable positioning on the circumference.  Valve body made of AISI 316Ti or 17-4 PH stainless steel for maximum corrosion and wear resistance of seat and tubing cones. Zero leakage provides high integrity and performance. Safety weep holes on tubing connections and packing area. Connections for inch or metric SITEC HP tubing. Fluid temperature 200°C maximum, ambient 80°C. Typical applications: see page 710.03. All valves are factory tested and available at short notice. For heavy duty applications the valve models with replaceable seat (type 6) are recommended.

Options

3/2-way solenoid valves for remote control. Visual or electrical position indication. Position indicators with 1 or 2 electric contacts. Inductive or microswitch. Version according to directive 94/9/EG (ATEX). Air-operated high-temperature valves with high-temperature extension up to 300°C (with fluid cooling up to 450°C). Low-wear version with lip seal and coated stem.