Introduction

Johnson Screen is akind of Water well screen , this is an advanced filtration component in water well industry, this Screen are designed for efficient solid-liquid separation in demanding industrial environments.

Unlike conventional perforated pipes or mesh filters, the Johnson Screen features a continuous slot structure formed by V-shaped wires, delivering superior flow performance, reduced clogging, and extended service life.

It is widely used as a water well screen, sand control screen, and industrial filtration element across multiple industries.

Structural Design & Working Principle

The Johnson Screen is manufactured by wrapping V-shaped profile wires around internal support rods and welding them at each contact point. This creates a highly durable cylindrical or flat structure with uniform slot openings.

How it works:

• Fluid flows from outside to inside (or v-shape versa)

• Particles larger than the slot size are retained on the surface

• The V-shaped profile wires design minimizes particle blockage

• Continuous slots ensure smooth flow and consistent Filtration rate

Key Advantages (Why It Outperforms Traditional Filters)

1. Non-Clogging Filtration Surface

The outward-facing V-shaped wire forms a self-cleaning slot, reducing blockage and maintenance frequency.

2. High Open Area & Flow Efficiency

Compared to perforated metal, Johnson Screens provide a larger effective open area, And this type of water well screen have good performance in :

• Higher flow rates

• Lower pressure drop

• Improved system efficiency

3. Precision Slot Control

Slot sizes  manufactured with high accuracy (typically 0.05 mm – 3 mm), ensuring reliable filtration performance.

4. Superior Mechanical Strength

The fully welded structure offers excellent resistance to:

• High pressure

• Abrasion

• Harsh operating environments

5. Long Service Life

Made from corrosion-resistant materials such as SS304, SS316, or duplex stainless steel, ensuring durability in water, chemical, and oilfield applications.

Application

Johnson Screens are widely applied in:

• Water Well Industry: Deep well and shallow well filtration systems

• Oil & Gas Industry:Sand control screens for oil and gas extraction

• Wastewater Treatment: Solid-liquid separation and sludge dewatering

• Mining & Mineral Processing:Screening, classification, and dewatering

• Food & Chemical Processing:Hygienic filtration and material separation

Custom Manufacturing Options

We offer fully customizable Johnson Screens to meet specific project requirements:

• Material Grade: SS304, SS316, 316L, Duplex stainless steel S31803 or other customer request grade 

• Slot Size: 0.05 mm – 3 mm (customized)

• Diameter: From Small pipe size to large diameter 

• Length: 6m to 12m or customized length

• End Connections:

  Flange connection as per ASTM, JIS, GOST,DIN standard Slip-on slip. weld-neck flange, Lapjoint Flange. 

  API Standard Threaded:  NU,EU,BTC,LTC,STC etc)

  Noral thread:NPT standard thread

  Weld conection

  Coupling connection

• Surface Finish: Pickling,Polishing or 2B/BA, blasting or other anit corrission surface treatment 

Johnson Screen vs. Traditional Filters

Why Choose Our Johnson Screen?

• Strict quality control procedure during welding and slot forming

• Stable slot accuracy during production and consistent performance

• Flexible customization size and material for different industries

• 20years Export experience for global markets

MONO Group is one of Titanium alloy, Nickel alloy,Stainless steel, Aluminum alloy manufacturer&Supplier&Wholesaler from China,We can supply steel grating and Perforated sheet and other metal perforated products as per customized size.,pls contact us freely for your RFQ to info@monokj.com

Key words :Johnson Screen, wedge wire screen, wire wrapped screen, water well screen, sand control screen, stainless steel filter screen, wedge wire screen manufacturer, industrial filtration screen supplier,Manufacturer,exporter,factory,supplier,high quality