The Siemens Combustion VA53.4 Series provides a comprehensive, heavy-duty range of pre-engineered Valve and Actuator (VA) assemblies. Powered by the high-torque Siemens SQM53.4 electronic actuator, these assemblies are engineered for the most demanding industrial burner and boiler applications requiring counter-clockwise (CCW) rotation. Integrating VKF butterfly valves, WBV wafer valves, and advanced PBA premix blower manifolds into factory-aligned units, the VA53.4 series guarantees precision air/fuel ratio control, zero mechanical backlash, and extreme long-term reliability.
Technical Specifications
- Product Family: Siemens Combustion VA53.4 Series (Complete Assemblies)
- Actuator Included: Siemens SQM53.4 (Electronic Stepper, Pre-Mounted)
- Actuator Performance: High-Torque, 25-second running time / 220 in-lbs torque
- Rotation: Counter-Clockwise (CCW) operation
- Operating Voltage: Available in standard 120V and 220V/230V AC configurations
- Valve Compatibility: VKF Flanged, WBV Wafer (Up to 14″), and PBA Manifolds
Key Features & Benefits
- Ready-to-Install Assemblies: Every VA53.4 unit is delivered factory-assembled with industrial-grade brackets and rigid couplings to ensure perfect shaft alignment and immediate operational readiness.
- Massive Torque Output: The SQM53 series delivers an extraordinary 220 in-lbs of turning force, designed specifically to operate massive large-bore valves against high dynamic gas pressures without stalling.
- Extensive Sub-Series Configurations: Includes specialized variants such as the VA53.4A, VA53.4A3, VA53.4K, VA53.4Z, and VA53.4Z7. Each sub-series features distinct internal circuit board logic and auxiliary switch setups to match specific Siemens Burner Management Systems (BMS).
- Environmental Protection: Many configurations carry the “-N4” suffix, providing a NEMA 4 weather-sealed enclosure that protects vital electronic components from moisture, dust, and direct washdowns.
- High-Temperature Options: Assemblies ending in “-HT” utilize specialized barrier materials and seals to withstand elevated process temperatures common in heavy industry.
VA53.4 Parts We Provide
VA53.4-1.25VKF10-N4
VA53.4-1.25VKF11
VA53.4-1.25VKF11-N4
VA53.4-1.5VKF10
VA53.4-1.5VKF10-N4
VA53.4-1.5VKF11
VA53.4-1.5VKF11-N4
VA53.4-10WBV
VA53.4-10WBV-HT
VA53.4-12WBV
VA53.4-12WBV-HT
VA53.4-14WBV
VA53.4-14WBV-HT
VA53.4-2.0VKF10
VA53.4-2.0VKF10-N4
VA53.4-2.0VKF11
VA53.4-2.0VKF11-N4
VA53.4-2.5VKF10
VA53.4-2.5VKF10-N4
VA53.4-2.5VKF11
VA53.4-2.5VKF11-N4
VA53.4-2.5WBV
VA53.4-2.5WBV-HT
VA53.4-2WBV
VA53.4-2WBV-HT
VA53.4-3.0VKF10
VA53.4-3.0VKF10-N4
VA53.4-3.0VKF11
VA53.4-3.0VKF11-N4
VA53.4-3WBV
VA53.4-3WBV-HT
VA53.4-4.0VKF10
VA53.4-4.0VKF10-N4
VA53.4-4.0VKF11
VA53.4-4.0VKF11-N4
VA53.4-4WBV
VA53.4-4WBV-HT
VA53.4-5.0VKF10
VA53.4-5.0VKF10-N4
VA53.4-5.0VKF11
VA53.4-5.0VKF11-N4
VA53.4-6.0VKF10
VA53.4-6.0VKF10-N4
VA53.4-6.0VKF11
VA53.4-6.0VKF11-N4
VA53.4-6WBV
VA53.4-6WBV-HT
VA53.47-10WBV
VA53.47-10WBV-HT
VA53.47-12WBV
VA53.47-12WBV-HT
VA53.47-14WBV
VA53.47-14WBV-HT
VA53.47-2.5WBV
VA53.47-2.5WBV-HT
VA53.47-2WBV
VA53.47-2WBV-HT
VA53.47-3WBV
VA53.47-3WBV-HT
VA53.47-4WBV
VA53.47-4WBV-HT
VA53.47-6WBV
VA53.47-6WBV-HT
VA53.47-8WBV
VA53.47-8WBV-HT
VA53.4-8.0VKF10
VA53.4-8.0VKF10-N4
VA53.4-8.0VKF11
VA53.4-8.0VKF11-N4
VA53.4-8WBV
VA53.4-8WBV-HT
VA53.4A-10WBV
VA53.4A-10WBV-HT
VA53.4A-12WBV
VA53.4A-12WBV-HT
VA53.4A-14WBV
VA53.4A-14WBV-HT
VA53.4A-2.5WBV
VA53.4A-2.5WBV-HT
VA53.4A-2WBV
VA53.4A-2WBV-HT
VA53.4A3-10WBV
VA53.4A3-10WBV-HT
VA53.4A3-12WBV
VA53.4A3-12WBV-HT
VA53.4A3-14WBV
VA53.4A3-14WBV-HT
VA53.4A3-2.5WBV
VA53.4A3-2.5WBV-HT
VA53.4A3-2WBV
VA53.4A3-2WBV-HT
VA53.4A3-3WBV
VA53.4A3-3WBV-HT
VA53.4A3-4WBV
VA53.4A3-4WBV-HT
VA53.4A3-6WBV
VA50.4A3-6WBV-HT
VA53.4A3-8WBV
VA53.4A3-8WBV-HT
VA53.4A3-NF-050H
VA53.4A3-NF-075
VA53.4A3-NF-100
VA53.4A3-NF-125
VA50.4A3-NF-150
VA53.4A3-NF-200
VA53.4A3-NF-250
VA53.4A3-NF-300
VA53.4A3-NF-400
VA53.4A3-NM-100
VA53.4A3-NM-125
VA53.4A3-NM-150
VA53.4A3-NM-200
VA53.4A3-NM-250
VA53.4A3-NM-300
VA53.4A3-NM-400
VA53.4A3-NR-150
VA53.4A3-NR-200
VA53.4A3-NR-250
VA53.4A3-NR-300
VA53.4A3-NR-400
VA53.4A-3WBV
VA53.4A-3WBV-HT
VA53.4A-4WBV
VA53.4A-4WBV-HT
VA53.4A-6WBV
VA53.4A-6WBV-HT
VA53.4A-8WBV
VA53.4A-8WBV-HT
VA53.4A-NF-050H
VA53.4A-NF-075
VA53.4A-NF-100
VA53.4A-NF-125
VA53.4A-NF-150
VA53.4A-NF-200
VA53.4A-NF-250
VA53.4A-NF-300
VA50.4A-NF-400
VA53.4A-NM-100
VA53.4A-NM-125
VA53.4A-NM-150
VA53.4A-NM-200
VA53.4A-NM-250
VA53.4A-NM-300
VA53.4A-NM-400
VA53.4A-NR-150
VA53.4A-NR-200
VA53.4A-NR-250
VA53.4A-NR-300
VA53.4A-NR-400
VA53.4K-10WBV
VA53.4K-10WBV-HT
VA53.4K-12WBV
VA53.4K-12WBV-HT
VA53.4K-14WBV
VA53.4K-14WBV-HT
VA53.4K-2.5WBV
VA53.4K-2.5WBV-HT
VA53.4K-2WBV
VA50.4K-2WBV-HT
VA53.4K-3WBV
VA53.4K-3WBV-HT
VA53.4K-4WBV
VA53.4K-4WBV-HT
VA53.4K-6WBV
VA53.4K-6WBV-HT
VA53.4K-8WBV
VA53.4K-8WBV-HT
VA53.4-NF-050H
VA53.4-NF-075
VA53.4-NF-100
VA53.4-NF-125
VA53.4-NF-150
VA53.4-NF-200
VA53.4-NF-250
VA53.4-NF-300
VA53.4-NF-400
VA53.4-NM-100
VA53.4-NM-125
VA53.4-NM-150
VA53.4-NM-200
VA53.4-NM-250
VA53.4-NM-300
VA53.4-NM-400
VA53.4-NR-150
VA53.4-NR-200
VA53.4-NR-250
VA53.4-NR-300
VA53.4-NR-400
VA53.4R-NF-050H
VA53.4R-NF-075
VA53.4R-NF-100
VA53.4R-NF-125
VA53.4R-NF-150
VA53.4R-NF-200
VA53.4R-NF-250
VA53.4R-NF-300
VA53.4R-NF-400
VA53.4R-NM-100
VA53.4R-NM-125
VA53.4R-NM-150
VA53.4R-NM-200
VA53.4R-NM-250
VA53.4R-NM-300
VA53.4R-NM-400
VA53.4R-NR-150
VA53.4R-NR-200
VA50.4R-NR-250
VA53.4R-NR-300
VA53.4R-NR-400
VA53.4Z(220)-NF-050H
VA53.4Z(220)-NF-075
VA53.4Z(220)-NF-100
VA53.4Z(220)-NF-125
VA53.4Z(220)-NF-150
VA53.4Z(220)-NF-200
VA53.4Z(220)-NF-250
VA53.4Z(220)-NF-300
VA53.4Z(220)-NF-400
VA53.4Z(220)-NM-100
VA53.4Z(220)-NM-125
VA50.4Z(220)-NM-150
VA53.4Z(220)-NM-200
VA53.4Z(220)-NM-250
VA53.4Z(220)-NM-300
VA53.4Z(220)-NM-400
VA53.4Z(220)-NR-150
VA53.4Z(220)-NR-200
VA53.4Z(220)-NR-250
VA53.4Z(220)-NR-300
VA53.4Z(220)-NR-400
VA53.4Z-1.25VKF10
VA53.4Z-1.25VKF10-N4
VA53.4Z-1.25VKF11
VA53.4Z-1.25VKF11-N4
VA53.4Z-1.5VKF10
VA50.4Z-1.5VKF10-N4
VA53.4Z-1.5VKF11
VA53.4Z-1.5VKF11-N4
VA53.4Z-10WBV
VA53.4Z-10WBV-HT
VA53.4Z-12WBV
VA53.4Z-12WBV-HT
VA53.4Z-14WBV
VA53.4Z-14WBV-HT
VA53.4Z-2.0VKF10
VA53.4Z-2.0VKF10-N4
VA53.4Z-2.0VKF11
VA53.4Z-2.0VKF11-N4
VA53.4Z-2.5VKF10
VA53.4Z-2.5VKF10-N4
VA53.4Z-2.5VKF11
VA53.4Z-2.5VKF11-N4
VA53.4Z-2.5WBV
VA53.4Z-2.5WBV-HT
VA53.4Z-2WBV
VA53.4Z-2WBV-HT
VA53.4Z-3.0VKF10
VA53.4Z-3.0VKF10-N4
VA53.4Z-3.0VKF11
VA53.4Z-3.0VKF11-N4
VA53.4Z-3WBV
VA53.4Z-3WBV-HT
VA53.4Z-4.0VKF10
VA53.4Z-4.0VKF10-N4
VA53.4Z-4.0VKF11
VA53.4Z-4.0VKF11-N4
VA53.4Z-4WBV
VA53.4Z-4WBV-HT
VA53.4Z-5.0VKF10
VA53.4Z-5.0VKF10-N4
VA53.4Z-5.0VKF11
VA53.4Z-5.0VKF11-N4
VA53.4Z-6.0VKF10
VA53.4Z-6.0VKF10-N4
VA53.4Z-6.0VKF11
VA53.4Z-6.0VKF11-N4
VA53.4Z-6WBV
VA53.4Z-6WBV-HT
VA53.4Z7-10WBV
VA53.4Z7-10WBV-HT
VA53.4Z7-12WBV
VA53.4Z7-12WBV-HT
VA53.4Z7-14WBV
VA53.4Z7-14WBV-HT
VA53.4Z7-2.5WBV
VA53.4Z7-2.5WBV-HT
VA53.4Z7-2WBV
VA53.4Z7-2WBV-HT
VA53.4Z7-3WBV
VA53.4Z7-3WBV-HT
VA53.4Z7-4WBV
VA53.4Z7-4WBV-HT
VA53.4Z7-6WBV
VA53.4Z7-6WBV-HT
VA53.4Z-8.0VKF10
VA53.4Z-8.0VKF10-N4
VA53.4Z-8.0VKF11
VA53.4Z-8.0VKF11-N4
VA53.4Z-8WBV
VA53.4Z-8WBV-HT
VA53.4Z-NF-050H
VA53.4Z-NF-075
VA53.4Z-NF-100
VA53.4Z-NF-125
VA53.4Z-NF-150
VA53.4Z-NF-200
VA53.4Z-NF-250
VA53.4Z-NF-300
VA53.4Z-NF-400
VA53.4Z-NFB-075
VA53.4Z-NFB-100
VA53.4Z-NFB-125
VA53.4Z-NFB-150
VA53.4Z-NFB-200
VA53.4Z-NFB-250
VA53.4Z-NFB-300
VA53.4Z-NFB-400
VA53.4Z-NM-100
VA53.4Z-NM-125
VA53.4Z-NM-150
VA53.4Z-NM-200
VA50.4Z-NM-250
VA53.4Z-NM-300
VA53.4Z-NM-400
VA53.4Z-NMB-100
VA53.4Z-NMB-125
VA53.4Z-NMB-150
VA53.4Z-NMB-200
VA53.4Z-NMB-250
VA53.4Z-NMB-300
VA53.4Z-NMB-400
VA53.4Z-NR-150
VA53.4Z-NR-200
VA53.4Z-NR-250
VA53.4Z-NR-300
VA50.4Z-NR-400
VA53.4Z-NRB-150
VA53.4Z-NRB-200
VA53.4Z-NRB-250
VA53.4Z-NRB-300
VA53.4Z-NRB-400
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Frequently Asked Questions
What is the difference between VA50.4 and VA53.4?
While both use high-torque (.4) actuator logic, the core difference is the direction of rotation. VA50 assemblies open Counter-Clockwise (CCW), whereas VA53 assemblies use the SQM53 actuator, which is specifically designed to open Counter-Clockwise (CCW) but with higher torque capabilities (220 in-lbs vs 160 in-lbs for standard SQM50s).
What do the “A”, “A3”, “K”, “Z”, and “Z7” designations mean?
These prefixes indicate specialized internal electronic configurations within the actuator. They denote different combinations of built-in feedback potentiometers, auxiliary end switches, and specific circuit board logic required to communicate with various generations of Siemens Burner Management Systems.
What is the difference between VKF, VKP, and WBV valves?
VKF valves are full flanged butterfly valves; VKP valves are proportional flow control valves designed for highly linear adjustments; WBV (Wafer Butterfly Valves) are ultra-compact valves designed to be “sandwiched” between existing pipe flanges, saving space on massive industrial lines.
What does the “-HT” suffix signify?
“HT” stands for High Temperature. These assemblies are built with specialized barrier materials, thermal standoff brackets, and internal valve seals to ensure reliable mechanical operation when the gas or ambient process temperatures exceed standard operating limits.
What are the “NF”, “NM”, “NR” designations?
These codes identify Premix Blower Adapters (PBAs). Instead of a standard valve, these VA assemblies feature a specialized manifold designed to introduce and balance fuel gas directly into an air stream immediately prior to a premix blower, ensuring a perfect stoichiometric mix.