Neck flange, also known as long neck flange and neck flange, is a disc-shaped part, mainly used to realize the connection between pipes, it has been widely used in petrochemical, urban water supply and power systems.
- PE Woven material with anti-UV, waterproof and dust proof- Zipper design, easy to operate, easy to use- Bottom elastic band is at four corners- Thermal insulation materials
Material Structure:ASTM A216 WCB for high temp. service ASTM A352 for low-temperature service and ASTM A351 CF8, CF8M for cast stainless steel valvesWorking Pressure:Class150LB, Class300LB;Nominal Diameter:NPS1/2~10”;DN15~DN250mmWorkingTemperatur:-29to210