Place of Origin: Hebei, China (Mainland) Brand Name: RENCHUN Model Number: HWJ1200 Usage: Liquid Filter Type: Filter Cylinder Material: stainless steel or carbon steel Hole Shape: wedge Filter Rating: 99% Thickness: Customize Size Length: 4000mm Width: Customize Size Tube Diameter: 600~1200mm Wire Range: 1.5~5mm Welding Speed: 6~20rpm Clearance of Slot: 6~20mm Precision of Slot: within 0.03mm Application for johnson screen made by johnson screen welding machine: deep well , water well , geothermal well , tube well , oil and gas exploration well , irrigation well , resident and industrial using well. Characteristics for johnson screen made by johnson screen welding machine: The johnson screen is made up of rods and warp. The rod can be round wire, triangular wire or trapezoid wire. The warp is triangular wire (V-shaped wire). Johnson screens have a structure and high open area, as well as accurate slot dimension. At the same time, johnson screen have heat-resisting, anti-corrosive, good machine capability, last long, safety and reliability and so on characteristics. It can be used in many kinds of medium filtering.