Why Koenig?

Together with SFC Koenig, Boneham delivers advanced hole sealing and flow control technology to the UK & Ireland. 

Understanding our customers requirements and delivering a solution that ensures maximum reliability & competitiveness are the principles which underpin our ethos

We are a leading manufacturer and stockist of precision components in the UK

Along with a vast range of standard engineering components, we’ve been the UK face of the SFC Koenig range since 1976.

In this time, we’ve supplied a range of UK based OEM’s in Aerospace, Automotive, Motorsport, Hydraulics, Fluid power, Powertrain and Machine builders.

Boneham & Turner Ltd carry an extensive inventory as well as being a technical based organisation. This means all products are backed up by a broad spectrum of knowledge in engineering practices, production lines and mechanical principles. With a desirable reputation for precision quality solutions. The company follows a strict quality procedure in line with BSI AS9100D and BSI ISO 9001:2015.

The SFC Koenig Manufacturing facilities
Koenig Sealing Plug in production with red light

quality

SFC Koenig sealing and flow control solutions use leading expansion technology for secure, efficient, and sustainable installation. They are engineered to form a metal to metal seal, without the need for harmful sealants or adhesives. Quality underpins not only the component, but the fully traceable manufacturing process, and application understanding, to deliver reliability through your product lifecycle.

Automated manufacturing equipment in the Koenig facilities

Reliability & efficiency

Koenig solutions meet the highest safety and environmental requirements. Koenig’s productivity solutions provide system reliability and efficiency while preventing damage to components and reducing waste within the supply chain, lowering lifecycle costs. The engineering principle of a single mechanical piece assures minimum preparation, rapid installation and zero solvents and waste.

UNBEATABLE QUALITY AND PERFORMANCE

ENGINEERED

Koenig sealing and flow control solutions use leading one-piece expansion technology for secure, efficient, and sustainable installation. They are engineered to form a metal to metal seal, without the need for harmful sealants or adhesives.

FULL UK COVERAGE

We offer complete technical and engineering support throughout the UK & Ireland. Our engineers can advise on everything including application, tooling, service, spares and literature throughout the lifecycle of your application.

EFFECTIVE OPERATION

KOENIG EXPANDER® components tolerate the widest temperature range of any sealing plug on the market. Operating in temperatures from -40°C to 150°C (-40°F to 302°F). System pressures safely operate at 500 bar. Stainless steel and aluminium variants ensure climatic and weight objectives can be met.

EXPERIENCED

We have supplied Koenig components to the UK for 50 years and manufactured in the UK since 1918. Our in house technical team have excellent product knowledge. If required, we’ll guide you through planning, designing, and part selection through to integration.

MAINTAINING QUALITY

Koenig components are fully batch traceable. We work to fully understand applications to ensure safe and reliable installation. Quality procedures at Boneham meet the requirements of BS EN ISO 9001: 2015 and AS9100D: 2018. In addition SFC Koenig maintain IATF 16949 and ISO 14001.

HIGH STANDARDS

SFC Koenig manufacture their components in the US and Switzerland. All components are batch traced, performance tested and 100% inspected through a multi-method process. Each product range is pressure rated with safety factors to accommodate system shocks and system pressure spikes.