Hydraulic actuated diaphragm metering pump
max. 207 bar, max. 923 lph | 7120 series Pulsafeeder

This rugged, leak-free hydraulic diaphragm style metering pump is designed for precise metering and long-term dependability. Its time proven drive and stroke control mechanism combined with a wide variety of wet end head designs deliver superior value for any application.

Operating Benefits:

Flows up to 244 gph (923 lph), and pressures up to 3000 psi (207 bar).
Metering accuracy with a ±1% over a 10:1 flow range.
Drive components carry a two-year warranty.

Key Features

Full motion stroke length control mechanism gives 0-100% sinusoidal flow output with infinite increments of adjustment.
Fully sealed drive and control mechanism with diaphragm breather to eliminate atmospheric contamination and assure extended service life.
Simple in-line componentry easily serviced without major disassembly.
Built-in hydraulic by-pass valve, make-up valve and bleeder valve for hydraulically balanced, trouble-free operation.
Rugged diaphragms constructed of PTFE elastomer or metal with precise hydraulic balance for safe accurate metering.
A broad selection of economical head, diaphragm and valve designs to handle any liquid metering application.
Material options to handle any liquid.

Control Options:

Electric Stroke Length Control

A fully electric PULSAmatic® stroke length controller is available for operation with electric instrument signals

Pneumatic Stroke Length

A fully pneumatic operator design for use with a typical 3 to 15 psi (0.2 to 1.0 kg/cm²) instrument air signal to produce 0 to 100% flow