NHZB Self-Priming Acid and Alkali Resistant Pump

The NHZB series (in China also called"Big Head Pump"or"Horse Belly Pump") is a high-efficiency acid pump engineered to safely handle aggressive corrosive liquids. Designed as a specialized chemical pump, it is widely used in electroplating, chemical processing, and industrial wastewater treatment. Functioning as an all-in-one chemical transfer pump, it delivers reliable self-priming capability without requiring a suction foot valve.

Pump Introduction & Overview

Featuring a co-axial direct-coupled centrifugal design, all wetted components are precision injection-molded. Equipped with a built-in liquid chamber, this plastic acid pump eliminates repeated manual priming and directly handles strong acids and alkalis. It serves as an ideal chemical transfer pump solution for chemical filter machines, wastewater lifting sumps, and acid pickling circulation equipment.

Core Advantages

• Strong Self-Priming Capability: Built-in fluid reservoir eliminates manual pre-filling before every restart. Functions as a self-priming chemical pump that maintains stable suction lift without a foot valve.

• 100% Non-Metallic Protection: Zero metal contact in flow-passage parts. Engineered as an anti-corrosion acid pump, it completely prevents chemical rusting, pitting, and leakage.

• Easy Disassembly & Maintenance: Split pump head structure allows operators to clean chemical crystallization simply by removing the front cover, making inspection very quick.

• Versatile Fluid Delivery: Serves as a compact chemical transfer pump compatible with plating filter units, chemical circulation loops, and small tank-side installations.

• Durable Chemical Performance: This heavy-duty plastic chemical pump is designed for long-term continuous chemical circulation and dosing operations.

• Optional Dry-Running & Check Valve: High-end models can be equipped with an oil-lubricated seal chamber to prevent damage during short dry runs, while an integrated check valve prevents backflow.