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Pietro Fiorentini Dival 600

Dival 600 is one of the direct-operated gas pressure regulators controlled by a diaphragm and contrasting regulated spring action by Pietro Fiorentini. Mainly used for medium and low pressure natural gas distribution networks, it ca be used with previously filtered gaseous fluids. According to the European Standard EN 334, it is classified as Fail Open.

Click here to see the product page in the 100% hydrogen version.

Dival 600 is Hydrogen Ready for NG-H2 blending.

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Dival 600

Dival Group Direct Acting Regulators.

Dival regulators are available in 1”-2” sizes in ANSI 150# rating in ductile iron and LCC steel body configurations with available outlet pressure ranges from 3-4”W.C -64 psig. Suitable applications would include commercial and industrial loads, compressor fuel gas, auxiliary gas feed, fast acting grain dryer and boiler feeds as well a district regulator settings. 

The Dival features simplistic balanced cartridge design which offers the following features:

  • Accuracy class AC: up to 5 | up to 1% absolute (depending on working conditions)
  • Nominal sizes DN: 1″, 1″ 1/2, 2″
  • Lock-up pressure class SG: up to 10
  • Design pressure: up to 290 Paigr
  • Design temperature: from -20 F to 140F
  • Connections: flanged class 150 RF according to ASME B16.5 and ASME B16.42, class ANSI 125 FF according to ASME B16.1, PN 16 and 25 according to ISO 7005-1 and ISO 7005-2
  • Threaded Rp EN 10226-1, NPT ASME B1.20.1 (only for DN50/2″”)
  • Top entry-modular design
  • Fast acting response Boiler and grain dryer applications
  • 500:1 turndown
  • Class VI shut off
  • Reduced droop and automatic compensation for the effects of inlet pressure variations
  • Dival 600 l regulators can be configured with optional high and low pressure slam shut module

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