Valqua® No. VF-35E. Leverages the characteristics of the pure graphite sealing material VALQUAFOIL™. Features: Excellent heat resistance, Very small changes in physical properties under high temperatures , Low stress relaxation, Chemical resistance. Temperature: -240 to 400oC / -400 to 752o,F, Pressure: Max 5 MPa. Suitable fluids: General fluids (water, steam, oil, etc.), corrosive liquids, liquefied gas, cryogenic fluid Unsuitable fluids: Not applicable to oxidizing acids such as hot concentrated sulfuric acid and concentrated nitric acid. Applications: Pipe flanges, valve bonnets, covers, various industries. The ring molded article supports JPI (ASME / ANSI).