7521 High Pressure Resistance Liquid Diaphragm Pump

The high-pressure diaphragm liquid pump operates via an eccentric wheel driving a flexible diaphragm for liquid intake and discharge through check valves. It provides a clean, oil-free environment with maintenance-free operation and long service life. The pump features low vibration, minimal noise, excellent sealing, and strong corrosion resistance. Its compact and easy-to-install design makes it ideal for diverse high-pressure fluid applications.

Key Parameters:

Current

Wetted materials

Motor type

Reference Model:

7521-3

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7521 High Pressure Resistance Liquid Diaphragm Pump

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Overview

Parameters

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Parameter	7521-3 High Pressure Resistance Liquid Diaphragm Pump
Flow rate(Under atmospheric pressure)	≥0.30L/min
Pump body material	PPS（can be customerized）
Diaphragm material	EPDM（can be customerized ）
Port size	4mm ID silicone tubing
Pressure range	Output ≥ 0.6MPa, suction ≤ -0.04MPa (in liquid state) (specific parameters under different conditions please refer to the Keyto specification)
Rated power	＜12W
Rated voltage(DC)	12V, 24V optional
Medium	Water, weak acid weak base solution, etc
Life span	10000H
Safety current	2.1A
Rated current	＜1A or ＜0.5A optional

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