Overview
This document provides a detailed description of the Rotarex automatic switch-over board for gas supply, highlighting its ease of installation, safety features, performance, and cost-effectiveness.

1. Ease of Installation and Handling
The system is ready to install with all components pre-mounted on a board, allowing up to 2 x 3 cylinders to be directly connected without additional accessories. It offers easy access to all functions and serviceable components.

2. Higher Safety Level
The system ensures continuous gas supply through a reliable automatic switching mechanism. Safety is enhanced by high product cleanliness and proper material selection, with a DUOBLOC design minimizing potential leakage points.

3. Better Performance
The system features proven valve designs tested over 2000 cycles at 300 bar, with a Balanced-Valve technology regulator ensuring accurate and stable high flow supply.

4. Lower Cost of Ownership
Designed for a 10-year lifetime without maintenance, the system is compact, saving space and reducing installation and operating costs.

Product Description
The high-pressure regulator uses Balanced-Valve Technology for stable outlet pressure and flow. It includes a stainless steel board with pre-assembled components, isolation and purge valves, high and low-pressure gauges, and safety relief valves.

Specifications
- Female ports: G 3/8 (inlet) - G 1/2 (outlet) or 3/8 NPT (inlet) - G 1/2 (outlet)
- Seat seal: PCTFE
- O-ring: EPDM, NBR, FPM
- Diaphragm: AISI 304 or Hastelloy®
- Weight: ± 13.8 kg (± 27.0 lbs)
- Leak rate: 1.10-4 mbar ℓ/s He (with outlet valve), 1.10-8 mbar ℓ/s He (without outlet valve)
- Temperature range: -20°C to +60°C (-4°F to +140°F)
- Gauges: High and low pressure (M10 x 1 or G 1/4)
- Inlet pressure: 200 bar / 300 bar (2900 psi / 4350 psi)
- Outlet pressure: 10/16/30/50 bar (145/232/435/725 psi)
- Nominal flow (200 bar version): 70/110/150/180 Nm3/h (N2)
- Nominal flow (300 bar version): 50/70/100/130 Nm3/h (N2)
- Oxygen use: Compatible with inlet pressure 200 and 300 bar

Contact Information
For more information, contact Rotarex via phone or email. Headquarters are located in Luxembourg.