The key specifications of the GEM GZ HD Auto Drain Valve 1/2" BSP – High Discharge for Air Compressor & Compressed Air Dryer are — VALVE OPENING INTERVAL: 0.5-35min(adjustable); VALVE DISCHARGE: 0.5-20sec(adjustable); POWER CONSUMPTION: 10W; MAX.OPERATING TEMPERATURE: 90° C. These specifications are based on the standard GEM Equipments design; always verify against your machine's requirement before use. GEM Equipments Pvt. Ltd. is an ISO 9001:2015 certified, India-based manufacturer (since 1984) of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, headquartered in Coimbatore, Tamil Nadu.