Device for preventing gland nut in valve from loosening

Details Device for preventing gland nut in valve from loosening Device for preventing gland nut in valve from loosening

1998-02-11

1999-08-17

Saether, Flemming

Valves and valve actuation

Mechanical movement actuator

Particularly packed or sealed

25131501, 411196, F16K 3144, F16B 3928

Patent

active

059381736

ABSTRACT:
A device for preventing a polygonal gland nut helically coupled with the stem of a valve from loosening includes a locking piece inserted non-rotatable on the stem. A pair of engaging claws are formed on the locking piece to engage with one of the lateral faces of the gland nut and also with two lateral faces of the gland nut adjoining each other straddled an intervening corner of the gland nut.

REFERENCES:
patent: 970274 (1910-09-01), Spencer

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