valve seat造句怎么写

The valve's seat have a step which out of valve and coordinate with inner steps, then had prevented the spheroid and the valve seat has the card anti-or is separated from and so on the phenomenon.

Most of the valve is sealed using force, that the valve is closed, forced to rely on external ram pressure to the valve seat to ensure the sealing surface of the seal.

J41N Type PN40 steel globe valves: manual, flanged, straight-through, the valve seat sealing surface material as nylon plastic, nominal pressure PN40, carbon steel valve body material cut-off valve.

Up chamfer, down chamfer and working face must be correctly dressed so that the valve seat can acquire a longer service life.

The upper stem is threaded into the diaphragm retainer nut. When the handwheel is rotated to the closed position the upper stem pushes on the diaphragms, which deflect downward, forcing the lower stem against the valve seat.

The actual valve closing phases have been calculated, analyzed and determined in accordance with the interference signals caused by valve seating impulse in the low pressure indicator diagram.

Carbo valve seat Grinding Wheel is used mainly for valve seat grind in an engine.

Mainly by the pilot valve seat, valve, diaphragm, spring, adjusting springs and other parts.

Yongjia "China valve village", but also in Zhejiang Province valve seat of technological innovation service platform.

The valve saucer reed offers the continuous mechanical pressure, guarantee the spheroid and valve seat are closely fitted all the time when the hot stress changes.

Blow out lines to remove all loose scale and other foreign matter that can damage valve seat.

Result shows that the negative pressure and the cavitation can be minished by improving the structure of the valve seat and core.

When intermittent failure in the hydraulic fluid pellet has hindered valve seat's correct homing.

Valve flap and valve seat for the soft seal, seal performance, no leakage.

Medium pressure increases toward the valve seat surface and oblique cone sealing surface squeeze is tightening, sealing the better.

Lift the lever at the top of the valve several times until valve seats properly without leaking and operates freely.

After the ball valve seat wear and tear, can be a ball into the seat, and with the rod lightly tapping ball several times, until the valve with the valve seat up close together.

Place the relief valve seat back into the chamber bore.

Though there is no condensate water that uses ball-type sealed lever to make the valve clack tightly adhesion to the valve seat, it can prevent the fresh vapor from leakage.