The BV,1-1/2"NPT,SS,VENT,GRPH PACK from Apollo Conbraco Industries is a stainless steel vent valve designed for high-performance applications. Featuring a 1-1/2 inch NPT connection, this valve is ideal for managing pressure in various systems. The stainless steel construction ensures durability and resistance to corrosion, making it suitable for both indoor and outdoor use. This valve is equipped with a graphite packing for enhanced sealing and reliability. It meets industry standards for safety and performance, making it a trusted choice for professionals in plumbing and HVAC applications.