DY Ⅰ, DY Ⅱ, DY Ⅲ, DY, YD type cold multistage centrifugal pump Overview: DY Ⅰ, DY Ⅱ, DY Ⅲ, DY and YD type pump is single-suction multi-stage sectional centrifugal pump cold. Suitable for petrochemical plants for the delivery of oils and petroleum products without solids on the scale of 120 centistoke. The temperature of medium is T-20 ~ 150℃, and the inlet pressure is allowed to be 0.6mpa. Parameters: flow Q 6 ~ 850 m3 / h head h 48 ~ 648 m model description: DYI155-67 x 5 DY - cold single-suction multi-stage sectional centrifugal pump Ⅰ - type I material, cast iron; Ⅱ class for cast steel; Ⅲ class for cast stainless steel. 155 - the design flow rate (m3 / h), 67 - the single stage design head (m) 5 - pump series YD80 -- 30 x 5 YD - cold single-suction multi-stage centrifugal pump with cast iron material - import diameter (mm) 30-80 single-stage design head (m) 5 - pump series 40 YD - 40 x 40 - import diameter (mm) YD - single-suction multi-stage centrifugal pump, cold cast iron material 40 - single stage design head (m) 5 - pump series structure: 1) the import and export: Type 100YD16 pump for horizontal suction, vertical discharge, the rest for vertical suction vertical discharge. 2) Oil seal: mechanical seal or packing seal can be used. The shaft seal is cooled. 3) Bearing type and lubrication: The forced circulation lubrication type of sliding bearing is DY850 -- 125 type pump; Sliding bearing oil ring splash thin oil lubrication type with DY Ⅰ 85-67, and DY Ⅱ DYI155-67 155-67 type pump; Others are rolling bearings, grease lubrication. 4) support: DY Ⅱ 155-67 of the pump body bearing support for the center, the rest of the pump is supporting foot. Rotation and steering: The pump rotates clockwise from the motor end. The major parts material: material flow components DY Ⅰ, DY, YD for cast iron, DY Ⅱ for cast steel, DY Ⅲ for cast stainless steel complete range: complete supply pump, explosion-proof motor, common base or base itself, check valve, gate valve and spare parts. 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.