Overview

This document provides comprehensive technical specifications, application guidance, and product data for Kieback&Peter actuators and control valves used primarily in building automation and HVAC systems. It covers a wide range of valve types, actuator models, and their integration for precise fluid and gas flow control.

1. Actuators and Control Valves Introduction

Kieback&Peter actuators are engineered for precise, reliable, and flexible control of liquids (water, glycol, potable water) and gases in building automation and industrial settings. They support fine regulation and mixing, are compatible with existing installations, and integrate with digital control systems.

2. Valve Types and Actuator Compatibility

• Thermo and Miniature Actuators (R.. and RW.. Valves): Nickel-plated red brass valves for water up to +120°C, PN 10, 2 mm stroke, DIN EN 2115 connections, with preset flow variants.
• Thermo Miniature Actuators AA Series: Normally closed, 4 mm stroke, 100 N force, IP54, 0 to +60°C, available in 230 V AC and 24 V AC with 2-point or 0-10 V control.
• Motorized Miniature Actuators MD15 Series: Stroke 3–9 mm, force 100–200 N, speed ~15 s/mm, control signals 3-point and 0(2)-10 V DC, noise <31 dB(A), IP40, 0 to +50°C, variants with feedback and wireless communication.
• Valves with MD15 Actuators (RZ.. and RWZ.. Series): Brass through and three-way valves, PN 16, water up to +120°C, equal percentage or linear flow, 6.5 ± 0.5 mm stroke, threaded or soldered DIN fittings.

3. Control Valve Specifications

• Compact Three-Way Valves RK Series (PN 6): Gray cast iron bodies, flange connections per DIN EN 1092-2, water up to +130°C at 6 bar, DN15–DN100, equal percentage or linear flow.
• RK..-BK Through Valves: Similar to RK series with blind flange for through valve operation.
• Rotguss Three-Way Valves RB Series (PN 16): Red brass bodies, external threaded connections per DIN EN 10242, water up to +130°C at 16 bar, DN15–DN50, kvs 0.63–40.

4. Key Technical Parameters and Standards

• Nominal pressures range PN 6 to PN 16 (and higher for some valves).
• Medium temperatures up to +120°C or +130°C, with some valves rated for steam and hot water up to +200°C.
• Valve bodies made from red brass, gray cast iron, brass, spheroidal graphite cast iron, and steel cast.
• Connections comply with DIN standards (EN 2115, EN 1092-2, EN 10242, ISO 228/1).
• Actuators support various control signals (3-point, 0-10 V, 0(4)-20 mA), stroke lengths (2–30 mm), and forces (100 N to 2200 N).
• Protection classes range from IP40 to IP54.

5. Recommendations and Applications

• Suitable for precise flow control in HVAC heating, cooling, and ventilation systems.
• Enable energy savings through intelligent, fine regulation.
• Compatible with multiple valve manufacturers and retrofit-capable for system upgrades.
• Low noise levels and robust protection ratings ensure suitability for building automation environments.

6. Detailed Valve and Actuator Series

• MF200 and MF201 Actuators: 0–50°C, IP54, 20–30 mm stroke, 1000 N force, emergency function with valve spindle extension on power failure, DIN EN 14597 certified, manual override, electronic end stop, valve blockage protection.
• MF200Y and MF201Y: Brushless DC motor, 24 V, 0–10 V / 2–10 V control, feedback signals, faster control speed (2 s/mm), IP54.
• M250, M300, M300K: 1600–2200 N force, 30 mm stroke, 230 V, 3-point control, manual handwheel, IP54.
• M250Y, M300Y, M300KY: Similar to above with built-in 0–10 V control module, 24 V supply.
• Three-Way Valves RK Series: Compact, tight-closing, flange connections, DN15–DN100, various actuators (MD200, M250, MD200Y, MD200BUS), stroke times 126–180 s.
• Through Valves RK..-BF Series: Similar to RK with blind flange, motorized actuators, stroke times 126–200 s.
• Red Brass RB Series Valves: DN15–DN50, kvs 0.63–40, external threads, motorized actuators, stroke times ~108–126 s.
• Certified Drinking Water Valves RB..T and RB..T-BK Series: DVGW certified, zero leakage, compliant with hygiene regulations, motorized actuators.

7. Motorized Control Valves for Industrial Applications

• Three-Way Valves RF Series (PN 16): DN15–DN150, kvs 0.63–315, weights 1.7–85+ kg, actuators MD200, M250, M500Y, stroke times 75–250 s.
• Through Valves RF..-BF Series: Similar specs as RF series with blind flange.
• Through Valves RV and Three-Way Valves RVW: DN80–DN200, kvs 100–630, weights 37–311 kg, actuators M503Y, M1003Y, M1503Y, stroke times 60–300 s.
• High-Pressure Valves RGD and RWG (PN 25): Spheroidal cast iron bodies, PTFE spindle seals, DN15–DN100, kvs 0.4–160, stroke times 30–270 s, emergency actuators MF200 series certified per DIN EN 14597.
• Through Valves RDH (PN 40): Steel cast bodies with stainless steel seats, DN15–DN100, kvs 0.63–160, pressure up to 40 bar, stroke times 105–200 s.

8. Actuators and Dampers for Ventilation Systems

• Damper Actuators NM..A, SM..A, GM..A Series: Shaft diameters 8–20 mm, torques 10–40 Nm, IP54, positioning times 135–150 s.
• Spring-Return Actuators SF and NF Series: Fail-safe function, torques 10–20 Nm, positioning times ≤75 or ≤150 s.
• M20 Series: Powerful actuators for air dampers and mixers, 12 mm shaft, 90° rotation, IP41, torque 20 Nm, positioning time 130 s.
• Accessories: Shaft extensions, mounting kits, feedback potentiometers (1000 Ω), auxiliary switches.

9. Ring Throttle Dampers DR6 and DRD16 Series

• Used for throttling/shut-off in HVAC systems, gray cast iron housing, DN25–DN100, kvs 12–435, pressure drops 2–16 bar.
• DRD16 features tight-closing design with double O-ring spindle seal and PTFE seat, leakage approx. 0.05% kvs.
• Positioning time ~130 s, weights 3.5–6.3 kg.

10. Critical Information and Best Practices

• Valve and actuator selection must consider medium type, temperature, pressure, flow requirements, and control signal compatibility.
• All actuators and valves operate typically within 0 to +50 °C ambient temperature and have protection ratings IP40 to IP54.
• Emergency functions and manual overrides enhance safety and maintenance.
• DVGW and DIN certifications ensure compliance with safety, hygiene, and quality standards.
• Force-dependent electronic end stops and valve blockage protection improve reliability and longevity.
• Manual operation options (handwheel, hex key) facilitate emergency control and maintenance.
• Special Kv values and actuator configurations are available on request for customized applications.

Summary

This document consolidates detailed technical data, specifications, and application notes for a broad range of Kieback&Peter actuators and control valves. It supports informed selection, installation, and integration of components for efficient, reliable HVAC and industrial fluid control systems, emphasizing precision, safety, and compliance with industry standards.