110108MF-680 Armstrong Raypak 4MF Raypak Tip Boiler Pump.Armstrong in-line circulators are favoured by system designers and chiller/boiler manufacturers who prefer 3-piece construction for reliability, efficiency, and serviceability. Owing to our history of product innovation and a mandate for design compatibility, today’s models are direct substitutes for all compatible circulators built over the last 50 years.Armstrong Gold Series – Pump Less Volute kits enable you to upgrade and renew circulators manufactured by others, to gain the benefits of Armstrong quality, service, and performance, along with thesedesign innovations:
- Universal SBA sealed bearing assemblies.
- One size fit’s all bearing module
- Circular oil wick
- Viton mechanical seal
- Norly non-ferrous impeller