Harris 25GX-250-580 Nitrogen Regulator

Features:

Origin: Made in the USA in an ISO 9001 and 14001 certified facility.
Quality: 100% tested, 100% of the time
Safety: Meets or exceeds all relevant industry standards - UL listed and CGA E-4. Passes all CGA E4 ignition tests.
Capacity: Medium/Heavy Duty
Reliability: One-piece encapsulated seat prevents damaging particles from entering the high pressure valve seat.
Design: Ergonomic, modern design, allows for precise pressure adjustments. Knob offer additional protection by shrouding the bonnet housing. Outlet angle improved for LP cylinder clearance.
Delivery Pressures: 0-15, 0-50, 0-145, 0-200, 0-250, and 0-500 PSIG
Pressure Regulation: Excellent pressure regulation from full to empty cylinder.
Warranty: 7 years

Materials:

Body: Forged brass
Bonnet: Chrome plated Zamac 3®
Gauges: 2 1/2", steel case, multi-scale guages
Diagphragm: Neoprene, fiber reinforced
Nozzle: Brass
Seats: PTFE Teflon
Filters: Nickel plated sintered bronze 10 micron
Seat Return Spring: PH 17-7 Stainless Steel
Adjusting Knob: ABS, UB resistant, composite knob
Outlet: Brass

- See more at: http://www.harrisproductsgroup.com/en/Products/Equipment/Gas-Control/Single-Stage-Pressure/model-25gx.aspx#sthash.THgHesrt.dpuf