1,A dust-proof cap is supplied on the top of the stuffing box gland which can protect the stem thread from the outside impurities. |
2,The stuffing filling is under the thread to effectively protect the lubricating grease from being brushed away. |
3,The core and the stem is of lapped joint with the functions of up sealing. |
4,Vertical hard sealing is used between the core and the body, also between the seat and the body. |
5,Non-rotational ball-shaped stem head and adjustable stem head can be supplied. |
6,Operating pressure can be up to 6000 psi (413bar). |
7,Operating temperature: -53 to 232ºC(-65 to 450 F)for PTFE sealing. -53 to 649ºC(-65 to 1200 F )for graphite sealing. |