The DRPN is a direct-operated pressure reducing regulator with an optional integral slam-shut valve.  Several actuator sizes are available to offer a wide range of outlet pressure settings.  This rugged, reliable regulator is used in a variety of natural gas applications such as farm tap, city gate and district stations, and commecial/industrial utilization. 

The DRPN is in conformity with the Pressure Equipment Directive PED 97/23/EC
and is classified in category IV

• World Area Availability
• Features
• Body Sizes and End Connection Styles
• Flow Coefficient
• Accuracy
• Pressure Registration
• Maximum Inlet Pressure
• Maximum Outlet Pressure
• Outlet Pressure Range
• Temperature Capabilities
• Versions
• Approximate Shipping Weights
• Additional Technical Data

World Area Availability

• Europe
• Middle East
• Africa

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Features

• Noise Attenuation
• Ease of Maintenance
• Suitable for Compact Installation
• Integral Slam-Shut

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Body Sizes and End Connection Styles

1-inch (DN 25) body with wafer style 150, PN 25 or 500 RF end connection

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Flow Coefficient

C_g: 78
C_v: 3.0
C₁: 35

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Accuracy

RG: 5

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Pressure Registration

Internal

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Maximum Inlet Pressure

70 bar (1015 psig)

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Maximum Outlet Pressure

35 bar (500 psig)

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Outlet Pressure Range

0,5 to 35 bar (7.25 to 500 psig)

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Temperature Capabilities

-20° to 60°C (-4° to 140°F)

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Versions

The DRPN exists in two versions:

A version without integral slam-shut consisting of:

• A body, an actuator, a connecting part, a bottom
• A cartridge with an integral balanced valve plug / orifice assembly consisting of an orifice sheath and an actuator connection part

A version with integral slam shut consisting of:

• A body, an actuator, a connecting part, a bottom
• A cartridge with an integral balanced valve plug / orifice assembly consisting of an orifice sheath and an actuator connection part
• A slam-shut connecting part replacing the bottom
• A valve with tight shut disk plug, identical to the expansion orifice
• A slam-shut bypass
• A release relay Type OS2 (see Instructional Manual NTAOS2) consisting of:
  • a mechanism box (BM)
  • a safety manometric box (BMS) to be connected outlet side of the regulator

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Approximate Shipping Weights

With Slam-Shut: 33 pounds (15 kg)
Without Slam-Shut: 24 pounds (11 kg)

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Additional Technical Data

For additional technical information, contact your Local Sales Office or refer to technical documentation.

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