Operation procedure for quick opening blind plate of clamp

1, check and prepare

(1) check the fast opening of the blind plate and attached devices are in good condition;

(2) open the blind plate before the valve should be recognized in the state of the switch;

(3) the operation of a first vent gas collecting cylinder service, fast opening blind wholesalers, ensure the ball cylinder not under pressure, namely equipment pressure indicating device shows the number of zero, and keep the vent valve in the fully open state; (4) to prepare special tools.

2, card hoop type fast opening blind plate

(1) open the vent valve and drain valve with pressure vessel, the pressure in the cylinder is reduced to zero;

(2) unscrew the valve, remove the safety card;

(3) clockwise rotation of the screw rod, so that the pressure around the left and right to the position, so that the left and right sides of the ring is completely separated from the teeth;

(4) gently pull the blind plate cover handle, and the blind plate can be opened.

3, clamp type fast opening blind plate closure

(1) thoroughly remove the sealing surface, sealing groove and the dirt in the bottom of the pressure ring handle, apply rust proof grease;

(2) push the blind plate cover to make it completely embedded in the pressure ring;

(3) counter clockwise rotation of the screw rod, the locking blind plate cover;

(4) install the safety card, tighten bleed valve;

(5) vent valve and drain valve closed pressure vessel.

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