2-way, Normally Closed, Poppet Valve, Bronze body, 0-500PSI, -30F to 225F, Pilot Operated, pilot ratio 8:1, 1/2 NPT, CV: 4.0, viton sealsNext Day Fittings is an authorized Lexair Distributor. If you have any questions about the Lexair 324508-26 Diaphragm Valves's technical information or availability please call us at: 844-323-8752Next Day Fittings is an official Lexair 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 Lexair product purchasing process. Whether you need assistance from a customer service agent or a product engineering expert, Next Day Fittings is your Lexair partner every step of the way.