Direct-operated gas pressure regulator controlled by a diaphragm and contrasting regulated spring action, Dival 507-512 is suitable for use with previously filtered gaseous fluids.

Its use is strongly recommended in medium and low pressure natural gas distribution networks.

According to the European Standard EN 334, it is classified as Fail Open.

Dival 507-512 is Hydrogen Ready for NG-H₂ blending.

• Accuracy class AC: up to 10 | up to 1% absolute (depending on working conditions)
• Nominal sizes DN: 1″; 1″ 1/2
• Lock-up pressure class SG: up to 20 (depending on version and set point)
• Design pressure: up to 10 bar for BP, up to 20 bar for MP and TR
• Design temperature: from -20 °C to +60 °C
• Connections: threaded Rp EN 10226-1, NPT ASME B1.20.1
• Minimum differential pressure: 0.1 bar
• Range of downstream pressure Wd: from 15 to 110 mbar for BP, from 80 to 300 mbar for MP, from 300 to 3000 mbar for TR
• Inlet pressure range: from (Pd + 0,1) bar to 10 bar from BP
  from (Pd + 0,1) bar to 20 bar for MP and TR
• Configurations: Slam shut