Socket fusion welding machine for joining plastic pipes and fittings. For support on the building site or in the workshop. The socket welder is composed of an aluminum heating plate, electric controller, comfortable nylon handle, etc. There are 2 series with different sizes and operations for meeting different requirements of customers. Each series with 20-32mm, 20-40mm, 20-63mm, 75-110mm, and 160mm socket fusion welding kit. 2 series are fixed electronic thermanyat socket fusion welding machine(FYF) and digital socket fusion welding machine(FYD). Constant socket fusion welding machine especially suitable for PP-R(Polypropylene) pipes and fittings. The many common method for connecting PP-R pipes and fittings. The set temperature is 260°C. Digital socket fusion welding machine weld HDPE(High-density polyethylene), PP-R (Polypropylene), PB (Polybutene) pipes and fittings, and they're characterized by different shapes and working ranges, suitable for different applications. This series add a digital controller and screen. The temperature range can be set to the demand of different plastic pipes & fittings, required fusing temperature can fix and display on the screen. Over- temperature will be alarmed automatically. The many popular colors of socket fusion welding machines are green, blue, and red. Now we start to make an orange RAL2004 socket fusion welding machine kit. Due to the PP-R pipes being green, may customers like green socket welder kits too.