HPk type hot water circulation pump adopts low ratio rotation speed centrifugal pump patented technology, on absorbing and digesting foreign advanced technology based on research and development, having high efficiency, energy saving, operating reliable characteristics. HPk type hot water circulation pump adopts low ratio rotation speed centrifugal pump patented technology, on absorbing and digesting foreign advanced technology based on research and development, having high efficiency, energy saving, operating reliable characteristics. A ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka t 280°C tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny, ka tɔ̈u piny.