Type 21 mechanical seals, wholesale all kinds of high quality type 21 mechanical seals products, welcome to Ningbo Yinzhou Wendong Seals Factory.
Pressure: ≤ 1MPa
Speed: ≤ 10m/s
Temperature: -20℃ ~+150℃
● Stationary Ring (Ceramic/Sic/tc)
● Rotary Ring ( Carbon/Sic/tc)
● Secondary Seal(nbr/Epdm/VITON)
● Spring and Punched Parts(Steel)