Imported PARKER high flow liquid valve from the United States 021-0103-900

Imported PARKER high flow liquid valve from the United States 021-0103-900

PARKER 021-0103-900 (C21 series high flow liquid valve)

021-0103-900 belongs to the Parker C21 series (21mm diameter) miniature plug-in high flow liquid solenoid valve, which is the model with the largest diameter/flow rate in the series. It focuses on small volume, high flow rate, long life, and low power consumption.

1、 Core parameters (021-0103-900)

Structure: 2 normally closed (2/2 NC), plug-in (valve block installation)

Diameter: 4.0mm (0.16 '), maximum diameter of C21 series

Flow rate (water @ 45psi): ≈ 3770mL/min (3.77L/min), high flow rate

Working pressure: 0-10 bar (145 psi)

Coil: 24VDC, 2.5W, resistance 235 Ω; Optional 12VDC

Material: Valve body 303 stainless steel, sealing FKM (standard)/EPDM optional

Lifespan: 20 million cycles, frictionless floating valve core

Response: ≈ 5-7ms, direct acting, no pilot delay

2、 Model Analysis (021-0103-900)

021: C21 series, φ21mm

01:2 Usually closed

03:4.0mm large diameter (maximum flow rate)

900：24VDC， Standard lead, industrial grade configuration

3、 Key features (compared to C7/C15 small flow valves)

High flow rate: The C21 series has the largest diameter and a flow rate 5-10 times that of C7 (with a diameter of 7mm)

Compact plug-in: φ 21mm × 39mm, valve block installation, saving space

Low power consumption and long lifespan: 2.5W, 20 million cycles, suitable for continuous operation

Multi medium compatibility: water, weak acid-base, low viscosity liquids, air/inert gases

4、 Typical applications

Life Sciences: Liquid Chromatography (HPLC) Gradient Valve, Reagent Switching, High Flow Flushing

Medical equipment: Dialysis machine, oxygen concentrator, high flow liquid delivery

Industrial Automation: Large Flow Liquid Control for Small Equipment, Vacuum/Gas Analysis

5、 Comparison of commonly used models in the same series

table

modelpathFlow rate (water)voltage

021-0101-9001.0mm1480mL/min24VDC

021-0102-9002.0mm3350mL/min24VDC

021-0103-9004.0mm3770mL/min24VDC

6、 Key selection points

Need small volume+high flow liquid control: Choose 021-0103-900

Medium traffic: 021-0102-900; Small traffic: 021-0101-900

Media compatibility: FKM (standard) oil/weak acid resistance; EPDM is resistant to water and strong alkali

Imported PARKER high flow liquid valve from the United States 021-0103-900

Parker C21 series (starting with 021) miniature plug-in high flow liquid solenoid valve

Core Basic Attributes

C21: φ 21mm plug-in type, large diameter+large liquid flow rate, low power consumption, direct acting two-way/three-way, stainless steel valve body, suitable for water, clean water, cleaning agents, weakly corrosive chemicals, neutral industrial fluids, different from C7/C15 small flow valves, focusing on high flow transmission under compact volume.

1、 Medical&Life Science Equipment (Core Main Scenario)

Hemodialysis equipment

Dialysis fluid ratio switching, high flow water circuit switching, flushing circuit, waste liquid discharge, high-frequency start stop, medium resistance, long-term continuous operation.

Medical cleaning and disinfection equipment

Endoscopic cleaning machine, surgical instrument disinfection machine, disinfectant/purified water circuit switching, high flow inlet, rapid drainage control.

Analytical instruments/laboratory equipment

Laboratory water treatment system, sample pretreatment equipment, high flow reagent delivery, pipeline switching, circuit flushing valve.

Health and Fluid Therapy Equipment

Hydrotherapy equipment, fluid therapy device, circulating water circuit switch, hot and cold liquid switching.

2、 Industrial Fluid Automation

Small industrial pure water/water purification system

Small water purifier, reverse osmosis auxiliary waterway, circulating water, makeup water, and drainage solenoid valve control.

Cooling&Lubrication Small Unit

Precision equipment cooling water circuit, trace lubricant on/off, machine tool auxiliary fluid circuit switch.

cleaning equipment

Industrial small spray cleaning machine, component flushing equipment, high flow on/off of clean water/cleaning solution.

Environmentally friendly small fluid equipment

Micro waste liquid collection, small-scale water treatment dosing circuit (neutral agent).

3、 Commercial Home Appliances&Intelligent Fluid Equipment

Commercial drinking water/tea drinking equipment

Commercial water dispensers, milk tea/beverage equipment, high flow water intake, waterway switching, pressure relief and drainage.

Humidification/atomization large equipment

Industrial humidifiers, large atomization systems, precise water source switching, and stable water supply.