MSUV100FP Banjo 1" Manifold Full Port Single Union Spinweld Valve, Flange Connections PTFE seats for smooth operation and proper sealing characteristics. Precision molded in glass reinforced polypropylene, for strength and chemical resistance. EPDM O-rings to handle most fertilizers and many chemicals. Double O-rings in stem area for extra sealing protection. Interlocking body and end plate to allow easy thread connection when installing valves. Maximum operating pressure 300 psi