​Supplier of Quality Environmental Products


Superior Performance and Trusted Experience. 
Customers worldwide look to John Zink Hamworthy Combustion for solutions they can count on. And for more than 80 years, we’ve delivered. With industry-leading products that have been proven in thousands of installations worldwide. ​

For the biogas industry, our experience dates back to our first installation in the 1970’s. Since then, we’ve been a leader in research and development, manufacturing, advanced testing, and skillful field installation, helping customers optimize their entire biogas system to meet even the toughest environmental regulations. 


Every John Zink Hamworthy Combustion system is backed by:
+  An uncompromising commitment to helping you improve the performance and efficiency of your operations
+  Unrivaled experience gained from field-proven and tested systems in the biogas industry
+  Research, development and testing at the largest, most comprehensive R&D test center of its kind
+  24-hours parts and service support and worldwide field technicians for installation supervision, start-up and training 


​ZTOF® Enclosed Flare
+  Capacities up to 6,000 SCFM at 50% methane
+  Biogas units in operation since the 1970’s
+  10:1 or greater turndown without external adjustments, rumblings, or vibrations
+  Greater than 98% destruction rate efficiencies
+  Turndown kits for new or existing enclosed flares
+  Off gas from siloxane systems, VOC engine exhaust, and condensate injection capabilities


ZULE® Zink Ultra Low Emissions Flare
+  Field-proven and tested with systems in operation since 1998
+  Lowest achievable NOx in the industry, tested as low as 3-4 ppm
+  Near-zero CO emissions for temperatures as low as 1,200° F
+  Greater than 99.5% destruction efficiencies expected
+  Patented technology
+  Capacities up to 6,000 SCFM


ZEFTM Elevated (Open) Flare
+  Engineered windshield design to increase turndown and stability
+  Up to 10:1 instantaneous turndown without adjustments
+  Adjustable thermocouples for optimum temperature control
+  Unique skid-mounted ZNIX hydraulic design to eliminate the need for a crane during start-up and maintenance


ZBRID Hybrid Thermal Oxidizer
+  Oxidizes low BTU off gasses (typically less than 15% CH4) from CO2 stripping processes and landfill perimeter wells
+  Cost-effective alternative to traditional thermal oxidizers to effectively destroy low methane waste gas streams
+  Field-proven design and technology with more than 5 years of operating history
+  Achieves a 98% or greater destruction efficiency Digester Applications
+ Enclosed, elevated, and ultra low emission flares for the agriculture, industrial, and municipal waste water markets


Gas Conditioning and Blower Skid Packages
+ Pre-piped and pre-wired system to minimize field installation
+ Shop tested prior to shipment
+ Skid capacities up to 15,000 SCFM for multiple flare systems
+ Dehydration, compression, and conditioning equipment


Aftermarket and Service
+ Rental flares, both enclosed and open + 24-hour parts and service
+ Technicians worldwide
+ Preventative maintenance programs
+ Full staff of controls engineers and project managers to handle the most complicated retrofit