Name: Piston Type Air-Operated Valves
Brand: SITEC-Sieber
SKU: 710.03

Image sourced from the manufacturer's official documentation; brand identity is never altered.

CATEGORY 01 H₂ Verified

Pneumatic piston valves for remote operation and automation.

1,000–7,000 bar

Brand	SITEC-Sieber Engineering AG — Switzerland
Category	High-Pressure Components
Catalogue page	710.03
Pressure / capacity	1,000–7,000 bar
Materials	AISI 316Ti / 17-4 PH (1.4571 / 1.4542 / 1.4472)
Air operator functions	NO (normally open, air to close) / NC (normally closed, air to open)
Ambient temperature	max. 80 °C
H₂ compatibility	Confirmed by official documentation
Verification status	Verified
Documentation source	Compiled from official SITEC-Sieber Engineering AG documentation.

Final technical specifications are confirmed in writing with H2X before ordering.

Technical Data

From the Official Catalogue

Slim piston-type air operators for remote control; intrinsically safe
Normally open (NO) or normally closed (NC) operator functions to satisfy safety requirements
Easy mounting with standard pipe clamps
Stainless-steel body; zero leakage; safety weep holes on tubing connections and packing
Connections for inch and metric HP tubing
For heavy-duty applications, replaceable-seat valves (Type 6) are recommended
Factory tested and available at short notice

3/2-way solenoid valves for remote control
Visual position indication; electrical position indicators with 1 or 2 inductive contacts
Air-operated high-temperature valves
Low-wear versions with lip seal
Hydrogen- or oxygen-compatible versions
Versions based on ATEX explosion protection