SIEMENS COMBUSTION CONTROLS MANAGEMENT & CONTROL SYSTEMS

VK Series Valves

Improved process control performance thanks to extreme accuracy and repeatability.

From the ultra-precise, linear flow control found in the VKP proportional control valve to the extremely repeatable, cost effective VKG/VKF butterfly valves; VK valves provide the control required in combustion applications.

VKF Wafer Butterfly Valve

• 1 ¼” – 8” sizes
• Full and reduced port
• Compatible with ANSI or DN flanges

VKP Linear Control Valve

• Profiled cylinder provides linear change in flow across angular rotation
• ½” – 2” sizes
• Separate NPT flanges allow mounting flexibility
• Direct connection to a VGD20 shut-off valve
• SQM33/40/45 actuator mounts directly to valve

VKG/VRG Butterfly Valve

• Full, medium and reduced port versions
• ½” – 4” NPT; UL approved
• ½” – 3” Rp; CE approved
• Up to 25 psi pressure ratings
• Cycle tested and certified from -40 to 160°F
• Manual adjustment versions
• Clear position indication
• Limiting orifice valve models
• VRG… for bio gas applications

Siemens SQM Actuators and Assemblies

The only thing more exceptional than the control & capability is the value!

Siemens SQM actuators deliver precise control and multiple user-friendly features. Available as stand-alone actuators or assembled to control valves; SQM actuators are the best solution for precise flow control applications.

VA Valve-Actuator Assemblies

• Factory assembled
• Zero hysteresis
• No linkage to slip or break
• Positive shaft connections
• Visual position indication
• Precise flow control

SQM5 Actuator

• 24, 110 or 220 Vac
• 4-20mA, 2-10Vdc, 0-135Ω input signals
• 90 – 400 in-lbs
• Auto/Manual toggle switch
• Six adjustable position switches
• Zero & span adjustment

SQM4 Synchro Actuator

• 110 or 220 Vac versions available
• 4-20mA, 2-10Vdc, 0-135Ω options
• 45 – 160 in-lbs.
• NEMA 4 enclosure
• High resolution
• Up to three
  adjustable switches
• Zero & span adjustment

Siemens Burner Control Systems

Safe, simple & efficient. Increase system performance.
Decrease troubleshooting.

Siemens offers the most complete, globally approved portfolio of burner controllers. From the LME7 programmable flame safeguard to the LMV3 and LMV5 parallel-positioning burner controls, Siemens covers a broad range of applications.

LME7 Burner Control

• Global approvals
• UV and flame rod inputs
• Self-check UV scanner optional
• Programmable purge, safety, and pilot operation timing
• Integral display with optional remote display
• Proof of closure (POC) switch monitoring
• Gas valve leak test on startup, shutdown, both or neither
• PC software available for configuring, trending and troubleshooting
• Modbus communications

LMV3 Linkageless Burner Management System

• Single and dual fuel versions
• Simplified commissioning, programming and installation
• Independent positions for purge, ignition & post-purge
• Programmable stops to pause the startup sequence in pre-purge, pre-ignition, and post-purge
• Adjustable purge timing up to 60 minutes
• Proof of closure (POC) switch monitoring
• Gas valve leak test on startup, shutdown, both or neither
• PWM and VFD blower speed control

LMV5 Linkageless Burner Management System

• Integrated linkageless control, burner flame safeguard and modulation PID control
• Single and dual fuel applications
• Integrated PID Temperature/Pressure Controller
• Up to 15 programmable points for each fuel-air ratio curve
• 900 highly repeatable actuator positions for precise control
• VFD and O2 trim options
• Actuators available from 27 to 550 in-lbs.

Additional Siemens Control Offerings

From a total combustion control system to individual components, Siemens Combustion Controls has you covered!

QP pressure switches

• Manual or automatic reset versions
• NEMA 3R option
• Low hysteresis of switching point
• Surge protected to 15 psi

Factory assembled gas trains

• Factory leak tested
• Pre-wire to junction
  box optional