| 摘要 |
FIELD: mechanics. ^ SUBSTANCE: actuator valve incorporates a built-up body with inlet and outlet, a con-rod and com-rod seal. The said body houses a rotary ball lock with a shaped through bore and the said lock seats. The body inlet and outlet come widening, e.g. tapered, towards the rotary ball lock. ^ EFFECT: improved performances due to wider adjustment range, ease of manufacture and lower noise. ^ 4 cl, 8 dwg |
