OCEAN REEF IDMs are CE certified with with these high performance and balanced diaphragm first stage with anti-freeze kit.
 
Adjustable intermediate pressure
Made of chromee plated brass with a stainless steel piston and spring and a Teflon seat.
2 high pressure ports 7/16-20 UNF.
Flow rate of approx 4600 l/m at 140 bar.

DIN (SCREW VERSION)
Screw connection at 300 bar (4500 Psi).

Check out new combos that include first stages with IDMs