The SL250 Series switchover system is designed with Gentec’s R21SL Series pressure reducing regulators to provide an uninterrupted supply of gas from two high pressure banks. The system will automatically switch from the primary bank to the reserve bank without flow interruptions. An optional audible and visual remote alarm is available to power the indicator lights for the system.

FEATURES:

• Based on R21SL Series Regulator
• Metal to metal diaphragm
• Components enclosed for extra protection
• Priority knob with arrow indicator
• Built in relief valve
• Check valves on pigtails
• Capable for visual alarm
• Regulators and piping are tested for pressure and leakage.
• Wall mounts optional

SPECIFICATIONS: 

• Maximum Inlet pressure: 3000psig
• Working temperature: -40 oF ~ 140 oF(-40 oC ~ 60 oC)
• Pipe: 1/2” seamless stainless steel (BA grade)
• Flow rate: see flow chart
• Regulators leak rate: 2 x 10-9 scc/sec Helium

REGULATOR MATERIALS: 

• Body, diaphragm, filter: 316L
• Bonnet: 304
• Seat: PCTFE