Withstands extreme conditions, operating reliably at pressures up to 1200psi and temperatures ranging from 65°F to 250°F Perfect for air, waters, fuels, oil, and inert lines, commonly used in hot / cold water systems, HVAC, transmissions, and engine applications Features 1 / 2 " male threads on both ends for secure connection with 1 / 2 " female threaded pipes, ensuring leak proof joins in installations This 3 inch brass nipple fitting is designed to connects 1 / 2 " threaded pipes, ideal for extending pipe lengths in various plumbing and HVAC systems Make from good brasses materials for strength and resistance, ensuring under high pressures up to 1200psi and temperatures from 53 to 121°C, Manufacturer: Geavonyg