Perfectly matches OEM part BPV31/BPV-31, direct replacement for 43587 piercing valve, no complex modification needed for direct installation and use on matching equipment. Made of high-quality metal material with silver finish, features high hardness, corrosion and pressure resistance, sturdy and durable for long-term pipeline connection use. Comes with 8 pieces of piercing valves in one set, meets the multi-scene replacement and use needs of refrigeration equipment pipeline, cost-effective and practical. Item height of 3 inches and total weight of 3.52lbs, compact and portable, easy to store, carry and install in various on-site construction scenarios. Specialized bullet valve design for refrigeration equipment piercing valve, realizes tight sealing of pipeline connection, ensures stable and safe operation of the pipeline system., Manufacturer: LDGSUPH