The HLN, Main Flow Valve, 1 1/2 is compatible with GEM HLN 012, HLN 015, HLN 017, HLN 020, HLN 025, HLD 075, HLD 100, 3GX 400 models. Always cross-check your machine's model number, or contact our support team to confirm fitment. 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. All spare parts on Gemspares.in are genuine and sourced directly from the manufacturer.