Pumps Versatility for Non–Corrosive Media

Editor: Dominik Stephan

Blackmer launches its new NPH4F Sliding Vane Pump. The NPH4F is a positive-displacement sliding vane pump specifically designed to offer maximum versatility in fluid processing and transfer applications for a wide range of clean, non-corrosive fluids, the company explained.

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The NPH4F fluid processing and transfer pump features an 180° inline porting
The NPH4F fluid processing and transfer pump features an 180° inline porting
(Picture: Blackmer)

The internal sleeve bearing pumps come standard with shaft packing and feature 180° ports, a distinction from the 90° ports of its NP4F predecessor. Like its predecessor NP4F, the NPH4F features a ductile iron construction with an internal relief valve that protects against excessive pressures. This ensures performance and reliability even under the most severe service conditions, Blackmers says.

Additional features include an optional cartridge mechanical seal, lip seal or triple-lip cartridge seal over the standard shaft packing; 4-inch weld, 4-inch ANSI 150 RF compatible or 4-inch NPT flanges. Options for jacketed heads are also available. NPH4F pumps are available with differential pressures up to 200 psi (13.8 bar) and maximum pump speeds of 500 rpm.

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