Incorporating all of the features of the LMV51, the LMV52 offers high impact options including O2 Trim, Variable Frequency Drive control, and additional actuator control possibilities. The LMV52 provides the ultimate flexibility to safely meet control needs, improve process control and reduce energy costs.
LMV52 Linkageless Burner Management System
LMV3 Linkageless Burner Management Syste...
World-class system, support and performance.
The LMV3 Linkageless Burner Management System sets a new standard for cost effective single or dual fuel burner controls – from easy installation, programming and commissioning to reliable, proven control. Effortless commissioning, simple programming, and easy installation allows for maximum ROI. With the LMV3, Siemens forges new ground delivering a fully integrated flame safeguard, linkageless system that is not only easy to install and use, but also provides improved burner performance and efficiency and ensures safe operation.
LME7 Flame Safeguard
Siemens LME7 Flame safeguard sets a new standard for flexible, cost effective burner supervision. Ease of installation, programming and commissioning are incorporated into a reliable, field proven control. The LME7 offers flexibility not found in competitive burner control units, at a very attractive price.
- UV scanner and flame rod sensor inputs
- Programmable purge times, safety times, and pilot operation.
- Integral LED display for easy diagnostics
- Globally approved – UL, FM, CSA, and CE
SQM5
The Siemens SQM5 is available in a wide range of torque ratings from 90 to 400 in-lbs. and running times of 8 to 50 seconds. A selection of exchangeable circuit boards provide a variety of functions including zero and span adjustment, parallel or master/slave operation, split range control, input signal override and selectable electronic linearization.
Six easily accessible internal switches
Auto/manual switch allows easy adjustments
Externally visible shaft position indicator
Highly modulating accuracy/rotational resolution
Low hysteresis actuator with double-offset drive and potentiometer gearing
SQM40/41 Synchro
The Siemens SQM4 Synchro is a cost effective modulating actuator with up to 90 in-lbs and 12 or 25 second drive times for 90 degrees.
- NEMA 4 – No need for weather shields
- No restrictions on mounting orientation – No more elaborate linkages to keep the shaft horizontal!
- The modulating input versions accept 2-10 Vdc, 4-20 mA or 0-135 ohm control signals
SQN7
The Siemens SQN7 control motors are designed to drive gas and air dampers for burners with small to medium capacities.
- Line Voltage floating or proportional control
- Optional feedback potentiometer
- Up to 22 in-lb torque
- Includes an Auxiliary switch
VKG Threaded Butterfly Valves
VKG… series butterfly valves control the flow of natural gas, propane, butane, or air. Valves are positioned using either a manual kit, crank arm kit, or rotary actuator. VKG threaded butterfly valves are available from sizes 1/2” to 4” NPT with UL approval and sizes 1/2” to 3” Rp with CE approval.
- Full, medium, or reduced port versions available
- Shaft supported by precision bearings for repeatable performance
- Low leakage rate at full closed position without a beveled disk
- Low pressure loss at the full open position
- Corrosion-resistant for outdoor applications
- Clear position indication on a 2” laser-etched, anodized dial
- 90° clockwise or counterclockwise rotation
VKF10 Flanged Butterfly Valves – swing t
Siemens offers multiple control valve options. VKF1x’s are available from sizes 1¼” to 8″.
- Swing thru or beveled version
- Full port or reduced port mounting options
- 1¼” through 8″ valves
- Mounts between ANSI #125/#150 or ISO 7005 flanges
- Suitable for air, natural gas, propane, butane, or FGR
VKF11 Flanged Butterfly Valves – mechani
Siemens offers multiple control valve options. VKF1x’s are available from sizes 1¼” to 8″.
- Swing thru or beveled version
- Full port or reduced port mounting options
- 1¼” through 8″ valves
- Mounts between ANSI #125/#150 or ISO 7005 flanges
- Suitable for air, natural gas, propane, butane, or FGR
VKF41 Flanged Butterfly Valves
Siemens offers multiple control valve options. VKF41’s are available from sizes 1-1/2” DN40 to 8” DN200, (1 1/2 and 2″ sizes not available on BioGas version) each with a manual handle option:
VKF41…C for Air, Natural Gas, or other clean gases:
- Butterfly valves designed for fitting between counter-flanges
- Disk with metallically tight shutoff, (< 0.7% leakage)
- Angle of rotation 85°
VKF41…H High Temperature butterfly valve for flue gas recirculation:
- 550 deg F maximum gas temp
- Angle of rotation 360°
VKF41…B Biogas butterfly valve:
- Designed for Bio Gas control valve applications
- Angle of rotation 360°
VKP Proportional Control Valves
VKP40 control valves provide a proportional increase of flow through the 0 to 90 degree rotation.
- Wide modulation range, > 25:1
- ½” through 2” flanged connections
- Maintenance free
VA… Valve Actuator Assemblies with VKG B
VA… valve actuator assemblies include a Siemens SQM… actuator reliably mounted to a VKG… butterfly valve to control the flow of natural gas, propane, butane, or air.
Features:
• Exclusive, patented technology*
• Precision machined components enable the use of a solid shaft coupling
• Shaft coupling provides a positive connection between the valve and actuator without actuator or valve shaft damage
• Modular design enables field actuator clocking in 90° increments
Application VA… valve actuator assemblies mount an SQM33, SQM40, SQM45, or SQM50 actuator to a VKG… butterfly valve. The VKG…valve and SQM… actuator are rigidly mounted with Siemens engineered brackets and couplings to ensure precise shaft alignment. VKG technical instructions (CVLV-2000) provide sizing and additional valve information.
VA… Valve Actuator Assemblies with VRG B
VA… valve actuator assemblies include a Siemens SQM… actuator reliably mounted to a VRG… butterfly valve to control the flow of biogas.
Features:
• Exclusive, patented technology*
• Precision machined components enable the use of a solid shaft coupling
• Shaft coupling provides a positive connection between the valve and actuator without actuator or valve shaft damage
• Modular design enables field actuator clocking in 90° increments
Application
VA… valve actuator assemblies mount an SQM33, SQM40, SQM45, or SQM50 actuator to a VRG… butterfly valve. The VRG… valve and SQM… actuator are rigidly mounted with Siemens engineered brackets and couplings to ensure precise shaft alignment. VRG
technical instructions (CVLV-3000) provide sizing and additional valve information.
VA…VKF1x Valve Actuator Assemblies with
Description
VA…VKF1x valve actuator assemblies include a Siemens SQM…
actuator reliably mounted to a VKF1… butterfly valve.
Features
Precision machined components enable a solid shaft coupling
Shaft coupling provides a positive connection without actuator
or valve shaft damage
VKF1… valve sizes from 1-1/4” to 8”
Includes Siemens SQM33, SQM40, SQM45, or SQM5 actuator
Application
VA…VKF1x valve actuator assemblies mount an SQM33, SQM40,
SQM45, or SQM5 actuator to a VKF1… butterfly valve. The Siemens
VKF1… valve and SQM… actuator are rigidly mounted with precisely
engineered brackets and couplings to ensure shaft alignment.
VKF1… technical instructions (n7673us) provide sizing and additional
valve information.
VA…VKF Valve Actuator Assemblies with VK
VA…VKF valve actuator assemblies include a Siemens SQM…
actuator reliably mounted to a VKF… butterfly valve.
Features
• Engineered for precise shaft alignment with less actuator wear
• High temperature VA…HT versions for FGR or hot air up to 550°F
• Biogas VA…B versions for corrosive gases such as biogas
• Rigid and robust design
• VKF valve sizes from 1-1/2” to 8”
• Includes Siemens SQM33, SQM40, SQM45, SQM48, or SQM5 actuator
Application
VA…VKF valve actuator assemblies mount an SQM33, SQM40, SQM45, SQM48, or SQM5 actuator to a VKF… butterfly valve. The VKF… valve and SQM… actuator are rigidly mounted with Siemens engineered brackets and couplings to ensure precise shaft alignment. VKF technical instructions (CVLV-1000) provide sizing and additional valve information.