R type hot water circulating pump Overview: Type R hot water circulating pump is a single-stage single-suction and two-stage single-suction cantilever centrifugal pump, suitable for metallurgy, power station, chemical industry and other departments, used for conveying high pressure hot water without solid particles below 250℃, the maximum allowable inlet pressure is 0.6mpa. Parameters: flow Q 14.4 ~ 416 m3 / h head h 34 ~ 80 m model specification: 100 R - A 100-37 said imports for 100 mm R - said hot water circulating pump 37 - said head pump design point for 37 m A - said the impeller diameter change structure: the pump is single stage single suction and two-stage single suction cantilever, with floating ring seal, bearing for rolling bearing and ball bearing, using thin oil lubrication. Direction of rotation: The pump rotates counterclockwise from the motor end. The major parts material: according to the different pressure, the material of main parts are: Ⅰ classes: QT500-7; Ⅱ class: ZG230-450; Ⅲ class: ZG3Cr13; Complete range: complete supply pump, motor, coupling, base. When ordering, please indicate the material of main parts, if you have special requirements for pumps and motors, you can negotiate with our company about the technical requirements.