Specifically designed for water systems, this DN20 adjustable pressure regulator ensures stable output to protect your water equipment with accurate pressure control. Compact structure and easy installation make this pressure regulator perfect for water supply systems, providing water pressure stabilization during long distance travel. Features DN20 interfaces that seamlessly connects with pipelines without modification, offering strong compatibility and easy installation. Make of copper with precisions casting and polished surfaces, this valves resists water pressure impacts and prevents leaks even under rough road conditions. The rotary knob allows stepless pressure regulation for customized water flows, featuring simple operate suitable for all users including elderly travelers.