Refurbished HPC Kaeser Sigma Oil Filter Block & Thermostatic Valve Assembly

This HPC Kaeser Sigma Oil Filter Block with integrated Thermostatic Valve is a critical component for maintaining optimal oil temperature and clean lubrication in rotary screw compressors. Professionally refurbished and tested by our expert engineers at airlinkcompressors.com, this assembly is ideal as a direct replacement for worn or leaking units in Sigma series machines.

Key Features & Benefits

• Combines oil filtration housing with thermostatic (bypass) valve for precise oil temperature regulation
• Ensures rapid warm-up on start-up and maintains ideal operating temperature to extend airend and oil life
• High-quality construction matching original Kaeser specifications
• Accepts standard Kaeser spin-on or cartridge oil filters
• Restores proper oil flow, pressure, and cooling performance
• Fully rebuilt with new seals, gaskets, and O-rings as required
• Significantly cheaper than a new OEM assembly while delivering like-new performance

Compatibility Suitable for many HPC / Kaeser Sigma Profile compressors including:

• SM series (e.g. SM12, SM15)
• SK series
• ASD series
• CSD series
• And other compatible Sigma models (please confirm exact model before ordering)

Technical Specifications

• Type: Oil filter housing block + thermostatic valve assembly
• Function: Oil filtration + temperature control (typically opens at ~55–65°C)
• Condition: Fully refurbished with new seals and tested
• Includes: Block housing, thermostatic valve cartridge/element, mounting hardware (where applicable)
• Warranty: Supplied with our standard Airlink Compressors parts warranty

Yes, airlinkcompressors.com offer an installation & commissioning service, please contact support for further information on technical@airlinkcompressors.com

If you purchase any equipment from airlinkcompressors.com you are entitled to free full technical support from experts in the trade, supporting with installation, repairs & servicing. We also offer onging maintenance packages inhouse, please contact technical@airlinkcompressors.com for further information.

Yes, airlinkcompressors.com deliveries can be sent to different adresses across the UK.

Yes, we do deliver to NI (Northern Ireland) for larger items please ask for a carrige costing - sales@airlinkcompressors.com

Yes, a VAT invoice is sent automatically once the order has been dispatched to the email address supplied when originally ordered.

Yes, airlinkcompressors.com offer an installment option through Klarna, Please click here for further information.