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Dival 700 Pressure Regulator

Brand: Pietro Fiorentini
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Direct-operated gas pressure regulator controlled by a diaphragm and contrasting regulated spring action, Dival 700 is suitable for use with previously filtered non-corrosive gases.
 
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 700 is Hydrogen Ready for NG-H2 blending

Features

  • Design pressure: up to 20 bar (290 psi)
  • Design temperature: -20° to +60° C (-4° to 140° F)
  • Ambient temperature: -20° to +60° C (-4° to 140° F)
  • Outlet pressure range of Wds: 5 to 1,454 mbar (2" w.c. to 21 psig)
  • Available size DN: 1” (25) - 1-1/2" (40) - 2”(50)
  • Flanging: class PN 16/25 according to ISO 7005-1, ISO 7005-2; class ANSI 150RF according to ANSI B16.5, ASME B16.42 and class ANSI 125 FF according to ASME B16.1
  • Threaded connections: DN 2" Rp ISO 7-1 or DN 2" NPTF ASME B1.20.1 (only ductile iron)
Direct-operated gas pressure regulator controlled by a diaphragm and contrasting regulated spring action, Dival 700 is suitable for use with previously filtered non-corrosive gases.
 
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 700 is Hydrogen Ready for NG-H2 blending

Features

  • Design pressure: up to 20 bar (290 psi)
  • Design temperature: -20° to +60° C (-4° to 140° F)
  • Ambient temperature: -20° to +60° C (-4° to 140° F)
  • Outlet pressure range of Wds: 5 to 1,454 mbar (2" w.c. to 21 psig)
  • Available size DN: 1” (25) - 1-1/2" (40) - 2”(50)
  • Flanging: class PN 16/25 according to ISO 7005-1, ISO 7005-2; class ANSI 150RF according to ANSI B16.5, ASME B16.42 and class ANSI 125 FF according to ASME B16.1
  • Threaded connections: DN 2" Rp ISO 7-1 or DN 2" NPTF ASME B1.20.1 (only ductile iron)
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Specifications

Brand

Accuracy Class

  • Up to 5

Available Size DN

  • 2" (50)
  • 1-1/2" (40)
  • 1" (25)

Closing Pressure Class SG

  • Up to 5

Design Pressure

  • Up to 20 bar (290 psi)

Design Temperature

  • -20° to +60° C (-4° to 140° F)

Flanging

  • Class ANSI 150RF According to ANSI B16.5, ASME B16.42
  • Class ANSI 125 FF According to ASME B16.1
  • Class PN 16/25 According to ISO 7005-1, ISO 7005-2

Outlet Pressure Range of Wd

  • 5 to 1454 mbar (2" w.c. to 21 psig)

Range of Inlet Pressure Bpu

  • 0.1 - 3.45 bar for 1" Seat
  • 0.1 - 5.00 bar for 3/4" Seat
  • 0.1 - 8.63 for 1/2", 1/4" & 3/8" Seat
  • 0.1 - 2.07 bar for 1-1/4" Seat
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Why Choose The Dival 700 Pressure Regulator

Value Elements

  • Reliable Gas Pressure Regulation: Direct-operated, diaphragm-controlled design provides dependable downstream pressure control for medium and low-pressure natural gas distribution systems.

  • Accurate Pressure Control: Offers an accuracy class of up to AC 5, supporting consistent gas pressure regulation under specified operating conditions.

  • Simplified Operation: Spring-loaded, direct-operated design eliminates the need for a separate pilot system, reducing operating complexity in natural gas pressure regulation applications.

  • Flexible Pressure Requirements: Adjustable downstream pressure settings from 5 to 1,454 mbar accommodate a wide range of natural gas distribution requirements.

  • Optional Safety Features: Available slam-shut configurations provide additional overpressure protection, helping utilities enhance gas distribution system safety.

  • Versatile Installation Options: Available in 1", 1½" and 2" sizes, with multiple flanged and threaded connection options to accommodate different gas piping systems.

  • Hydrogen-Ready Design: Compatible with natural gas and supported hydrogen blends, helping Canadian utilities prepare for evolving gas distribution requirements.

Comparison vs. Next Best Alternative

  • Compared to Pilot-Operated Gas Regulators: Direct-operated design eliminates separate pilot components, simplifying regulator operation and reducing the number of components requiring maintenance.

  • Simplified Pressure Control: Diaphragm and spring-operated regulation provides a straightforward solution for medium and low-pressure natural gas applications.

  • Flexible Installation: Multiple sizes, connection types and pressure settings allow easier integration into existing natural gas distribution infrastructure.

  • Enhanced Safety Options: Optional slam-shut configurations provide additional protection compared to basic pressure regulators without integrated safety accessories.

  • Adaptable Gas Compatibility: Hydrogen-blending compatibility provides flexibility for utilities planning future natural gas network upgrades.

Where Do I Use This Product and Why?

  • Natural Gas Distribution Networks: Provides dependable medium and low-pressure regulation to maintain controlled downstream pressure throughout utility gas distribution systems.

  • Gas Distribution Regulator Stations: Supports pressure reduction and control at natural gas distribution stations serving residential, commercial and industrial customers.

  • Natural Gas Pressure Reduction Stations: Reduces incoming gas pressure to required downstream levels, supporting reliable operation across different stages of the distribution network.

  • Commercial Natural Gas Applications: Provides controlled gas pressure for compatible commercial facilities requiring dependable natural gas delivery.

  • Industrial Gas Pressure Regulation: Supports natural gas pressure control for industrial equipment and processes operating within the regulator's pressure and flow capabilities.

  • Gas Distribution Infrastructure Upgrades: Offers Canadian utilities a direct-operated pressure regulator for replacing or upgrading existing gas pressure control equipment.

  • Hydrogen-Blended Natural Gas Networks: Supports compatible hydrogen and natural gas blends, providing flexibility for utilities exploring alternative gas distribution solutions.

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