Pressure regulator DRE active

Introduction
The DREactive round pressure regulators maintain a set pressure in rooms or in supply/exhaust air ducts and can also be used to shut off ducts. They are suitable for integration with induction units and HVAC systems. Drive and control require external electrical energy.

Key benefits

• High measurement accuracy in low air velocity ranges
• Insensitive to incident flow due to optimized air routing
• Reduces control effort and energy demand

Advantages and features

• Optimizes system energy use by reducing required pressures
• Wide control range for differential pressures up to 1000 Pa
• Large measuring range from 1…10 m/s
• Compatible with additional volume flow measurement and ActiveControl

Powerful effect: LTG ActiveControl map measurement

• Highest measuring accuracy among known systems in the low air velocity range
• Extremely short installation lengths combined with maximum control accuracy
• Insensitive to inflow through optimized air guidance to the measuring element
• Max. 5% deviation for nominal velocity (Vnenn)

Technical data (summary)
Rated sound pressure level example: LpA = 35 dB(A)
Differential pressure range: up to 1000 Pa
Airtight shut-off to DIN EN 1751 Class 4 (DN 100 + 125: Class 3)
Sizes: Ø 100 - 400 mm

Design / Options

• Optional silencer SDE
• Optional volume flow measurement
• Multiple housing versions
• Housing materials: galvanized steel, coated, stainless steel

Technical specifications

• Product type: Round pressure regulator (DREactive)
• Function: Maintains set pressure; can shut off air ducts
• Drive & control: External electrical energy
• Differential pressure range: up to 1000 Pa
• Airtight shut-off: DIN EN 1751 Class 4 (DN 100 + 125: Class 3)
• Available sizes: Ø 100 - 400 mm
• Measuring range: approx. 1…10 m/s
• Max. deviation: max. 5% for nominal velocity (Vnenn)
• Options: Silencer SDE, volume flow measurement, various housing materials
• Special functions: ActiveControl compatibility for energy-efficient regulation