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6/4D-AH Slurry Pump: Complete Introduction & Xingou’s High-Performance Alternative

Time:2026-03-24Views:3

6/4D-AH Slurry Pump: Complete Introduction & Xingou’s High-Performance Alternative

The 6/4D-AH slurry pump is a classic heavy-duty horizontal centrifugal model in the globally popular AH series, serving as a standard solution for highly abrasive, high-concentration mining slurries. As a reliable Warman 6/4D-AH equivalent, Xingou’s upgraded version keeps full interchangeability with the original pump, while integrating advanced ceramic over-current parts to enhance wear resistance and service life. This blog covers its core parameters, design perks, applications and competitive edges to help global industrial buyers make smart purchasing choices.

What is 6/4D-AH Slurry Pump & Model Meaning

The 6/4D-AH is a heavy-duty AH series slurry pump built for continuous harsh operation in mining, metallurgy and tailings transportation. The model number clearly defines its specs: 6-inch inlet, 4-inch outlet, D-type frame, and AH representing heavy-duty slurry pump. It is specially designed to transfer slurries with sharp solid particles like ore pulp, sand and tailings, performing stably under high wear and corrosion conditions.

6/4D-AH Slurry Pump Performance Curve (Image Insertion Position)

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6/4D-AH Slurry Pump Core Technical Parameters

Parameter Item

Standard Value

Notes

Model

6/4D-AH

Heavy-duty AH series slurry pump

Inlet Diameter

6 inch (150mm)

Consistent with Warman 6/4D-AH

Outlet Diameter

4 inch (100mm)

Consistent with Warman 6/4D-AH

Flow Range

30–220 m³/h

Optimal operating range

Head Range

5–50 m

Medium head mining applications

Standard Speed

1450 r/min

Custom speed available

Max Efficiency

Up to 68%

Stable high-efficiency operation

Matching Motor Power

7.5–45 kW

Configured by working condition

NPSHr (Cavitation)

3.0–5.5 m

Low cavitation risk

Max Solid Particle

≤50 mm

Suitable for abrasive ore slurry

Over-current Parts Material

Cr27 High-chrome Alloy / Ceramic Composite

Xingou ceramic version: 3-5x longer service life

Interchangeability

Fully interchangeable with Warman 6/4D-AH

Direct replacement, no pipeline modification

The performance curve and core technical parameters prove the 6/4D-AH’s stable operating range, with balanced flow and head output perfectly suited for medium-duty mining, tailings transfer and metallurgical slurry handling. Its low cavitation risk and high-efficiency design support long-term continuous operation, while the flexible parameter range adapts to various on-site working conditions.

Core Design Features of 6/4D-AH Slurry Pump

  • Heavy-Duty Double Casing: Double-layer structure with high-strength ductile iron outer casing and replaceable inner lining, fully matching the original Warman 6/4D-AH design for cost-efficient maintenance.

  • Wear-Resistant Over-current Parts: Standard Cr27 high-chrome alloy, with Xingou’s upgraded silicon carbide ceramic composite option offering 3-5 times better wear resistance than traditional alloys.

  • Full Interchangeability: Identical dimensions, shaft size and mounting holes with Warman 6/4D-AH, allowing direct replacement without pipeline or base modifications.

  • Reliable Shaft Seal: Supports packing, expeller and mechanical seals to fit different slurry properties and prevent leakage effectively.

Typical Applications of 6/4D-AH Slurry Pump

This model is a versatile workhorse for heavy industries, mainly used for mining ore pulp delivery, coal washing slurry handling, metallurgical slag discharge, tailings pipeline transfer, sand dredging and high-solid industrial wastewater treatment. Its compact size and stable performance fit both large mining projects and small-to-medium industrial lines.

Xingou 6/4D-AH Slurry Pump: Upgraded Ceramic Advantage

Unlike the original Warman 6/4D-AH and ordinary equivalents, Xingou’s version stands out with innovative ceramic over-current parts, solving the common pain point of short service life in harsh working conditions. The ceramic components deliver exceptional hardness and corrosion resistance, cutting maintenance frequency and downtime drastically. We retain full interchangeability and stable performance, plus a more competitive price and shorter delivery time, making it the top cost-effective alternative for global users.

Conclusion

The 6/4D-AH slurry pump is a timeless classic in the AH series, offering stable performance for medium-duty mining and industrial slurry handling. Xingou’s upgraded 6/4D-AH not only matches the original model’s specs and performance, but also leads the industry with premium ceramic wear-resistant technology, helping users cut operating costs and boost production efficiency. For buyers seeking a high-quality, cost-effective Warman 6/4D-AH replacement, Xingou is the optimal choice for long-term reliable operation.

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