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cape verde MD Wear-resistant Multistage Centrifugal Pump for Mining
Head Range: 50~2000m
Medium Temperature: 0℃~80℃
Allowable Inlet Pressure: 0.6MPa
Shaft Seal: packing seal, mechanical seal
Available Materials: HT200, HT250, QT600, ZG, 304, 316, 316L, 317L, 904L, CD4-MCu, etc
Category:
Product Description
MD type Wear-resistant Pump is horizontal single-suction sectional-type multistage centrifugal pump developed with high-efficiency energy-saving hydraulic profiles specifically for mining industry high-pressure service. It features high efficiency, wide performance range, stable safe operation, low noise, long service life and convenient installation & maintenance.Designed for conveying neutral mine water and similar wastewater containing solid particles ≤15% by weight, particle size ≤0.5 mm and medium temperature ≤80℃. Widely applied in steel plants, mine drainage and wastewater transportation projects.

Model Description:
Example: MD280-43 × 5
MD —— Wear-resistant Multistage Centrifugal Pump for Mining
280 —— Design rated flow: 280m³/h
43 —— Single-stage design head: 43 m
5 —— Total number of pump stages
Rotation Direction:
Clockwise when viewing from motor end towards pump.
Material of Wetted Components:
All wetted parts are available in wear-resistant ductile iron, cast steel and stainless steel grades: 304, 316, 316L, 2205, 2507 and so on.
Supply Scope of Complete Set:
The package consists of pump, electric motor and base frame; either shared common base or independent pump base is optional. Manufacturer supplies auxiliary fittings (discharge reducer, gate valve, foot valve, check valve) and spare parts (impeller, wear ring, diffuser sleeve, balance disc, shaft sleeve).
Structure Description:
D, DG, MD, DF and DY type consist of four core assemblies: stationary casing assembly, rotor assembly, bearing assembly and shaft seal assembly.
1. Stationary Parts
Consisting of suction casing, middle casing, discharge casing and diffusers; all segments are clamped tightly by through tie bolts to form pump working chambers.D type: Horizontal suction nozzle, vertically upward discharge nozzle.DG type: Both suction and discharge nozzles point vertically upward.MD, DF, DY type: Standard horizontal suction with vertical discharge; vertical suction & discharge design available upon special order.
2. Rotor Assembly
Composed of pump shaft, impellers, balance disc and replaceable shaft sleeves. The shaft transmits torque to drive impeller operation; balance disc counteracts axial thrust; replaceable shaft sleeves protect pump shaft against abrasion.
3. Bearing Assembly
Made up of bearing housing, bearings and bearing gland.
85‑67, 155‑67, 600‑60 adopt sleeve bearings with oil bath lubrication; rolling bearing structure is optional for 85‑67 and 155‑67.All other models use rolling bearings with grease lubrication.
4. Shaft Seal
Standard configuration is soft packing seal composed of stuffing box body, packing and water slinger mounted on suction casing and end cover. Pressurized sealing water is fed into stuffing box for water sealing, cooling and lubrication.D type: Sealing water taken from pump internal high-pressure liquid.DG, MD, DF, DY type: Sealing water sourced from internal process liquid or external service water; mechanical seal is commonly selected as alternative for these four series.
5. Drive Arrangement
The pump is directly driven by prime mover via flexible coupling; rotation is clockwise viewed from prime mover side.