B&K 1″xclose schedule 80 Pipe Nipple is ideal for pressure applications, with a maximum pressure of 315 pounds per square inch. Crafted from durable, industry-approved PVC, it features a smooth interior wall for reduced pressure loss and higher volume compared to conventional metal fittings. Resistant to mild acids, solvents, and oils, this nipple is IAPMO certified and NSF listed for safety and reliability.