Snap-tite CPIFF Series Check Valve, Steel, Soft Seal, 1/2" NPSF (1/2-14 Straight Pipe Thd) Female Inlet To 1/2" NPSF (1/2-14 Straight Pipe Thd) Female Outlet, 5000PSI (345Bar) WP, NBR Seals, Temp F: (-40 to +250), 5PSI Cracking Pressure Next Day Fittings is an authorized Parker Distributor. If you have any questions about the Parker CPIFF-4P-5A Check Valves's technical information or availability please call us at: 844-323-8752Next Day Fittings is an official Parker distributor, we can offer our customers the best pricing and factory lead times. Our trained and knowledgeable staff is always ready to help with any aspect of the Parker product purchasing process. Whether you need assistance from a customer service agent or a product engineering expert, Next Day Fittings is your Parker partner every step of the way.