Model Number: DN80 coupling Key Specifications/Special Features: SpecificationsMaterial: FRP, reinforced plasticTechnics: CastingType: CouplingPlace of Origin: Jiangsu, China (Mainland)Model Number: DN25, DN40, DN50, DN65, DN80, DN100Shape: roundMax working Pressure: 300psi (21bar)Color: gray, blackTemperature: -17℃ to 150℃Size: 1" to 4" (DN25 to DN100)Material of Bolts and Nuts: 304 Stainless steel
Application:

• It can be used for low-pressure microfiltration, ultrafiltration, and reverse osmosis, sewage systems, seawater desalinationand other piping connections.
• The coupling body uses thenovel polymer material that meets the standards of ASTM A351and A743.
• The sealing "C" ring's material is EPDM and can work under temperature of -50°C to 150°C.
• It can be appliedunder chemical environment like diluted acid andnon-oil air.