American standard matters needing attention in using and maintaining check pneumatic valve installed

a, notable matters of installation and use:
, before installation shall carefully check whether mark is consistent with the use requirement.
lumen, check the pneumatic valve and sealing surface, there is no dirt clinging to the body.
, check whether the connection stud is uniform.
, from the population to promote the pneumatic valve, check whether the open and reset flexible.
, installation must make air flow direction of medium showed that the arrow on valve body direction consistent with the actual flow of pipeline medium.
2, maintenance:
, no installation of pneumatic valve should be stored in dry and ventilated room, pneumatic valve side flange must block jams.
and long-term storage of pneumatic valve should be checked regularly, remove dirt and the machining surface coated with anti-rust oil.
, after installation, should be regularly check the main check project:
1) sealing surface wear.
(2) the abrasion of rocker rotate to pay.
(3) pneumatic valve body inner cavity and ever have surface dirt accumulation.
and pneumatic valve repair, assembly should be sealed performance test, after should be the case after each maintenance detailed records for review.