Overview: The document provides comprehensive information on Lechler flat fan nozzles, highlighting their use in cleaning and surface treatment processes due to their uniform liquid distribution and powerful jets. It also covers technical specifications and ordering details for flat fan nozzles with ball joints, specifically Series 676 and Series 612.

Specifications: Lechler flat fan nozzles are designed for parabolic liquid distribution, unaffected by transient pressures, and suitable for universal applications. They offer defined performance data, including flow rates, spray width, jet thickness, and liquid distribution for various feed pressures. Series 676 features nozzles with a ball joint for 30-degree swiveling, available in various spray angles and materials like brass and stainless steel, with a maximum pressure of 30 bar. Series 612 nozzles are made from PVDF material, designed for pressing into pipes, with a maximum pressure of 2 bar.

Design and Features: The nozzles come in different designs, including standard, tongue-type, and special-design nozzles with rectangular or trapezoidal liquid distribution. They feature simple and cost-effective fixing attachments for easy assembly and alignment.

Applications: These nozzles are used in cleaning operations, steelmaking, surface treatment, and other fields requiring powerful, uniform water jets. Specific applications include belt cleaning, coating, steam cleaning, degreasing, high-pressure cleaning, gravel washing, cooling, surface treatment, phosphating, rain curtains, foam control, foam spraying, lubrication, filter cleaning, and spray cleaning. Series 676 and 612 are suitable for cleaning, rinsing, and dishwashing applications.

Nozzle Types and Configurations: Various nozzle series are listed with specific spray angles, flow rates, and connection types, including low-pressure, high-pressure, swivelling, and descaling nozzles.

Assembly and Accessories: Information on assembly options and accessories is provided, emphasizing ease of nozzle changing, jet alignment, and clog-proof designs. Ordering numbers and accessories like retaining nuts and welding nipples are detailed.

Key Data: The document includes tables with detailed specifications for each nozzle type, including spray angles, flow rates, connection types, and suitable applications. Conversion formulas for calculating flow rates under different pressures are also provided.