Technical parameters:
Temperature: -30 C ~ +200 C
Pressure: less than 0.6MPa
Line speed: less than 10 m / s.
Spring (stainless steel)
Ring seat (stainless steel / copper)
Bellows (NBR / EPDM rubber and fluorine rubber / three)
Static ring (hot pressed graphite / graphite / silicon carbide)
Moving ring (ceramic / silicon carbide / tungsten carbide)
A movable ring sleeve (three yuan / NBR / EPDM rubber and fluorine rubber)