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V & X Dual Seal Plunger
中風(fēng)調(diào)節(jié)變得更加緊湊和調(diào)整是一個(gè)內(nèi)部線程設(shè)計(jì)簡(jiǎn)化。鎖定裝置的積極持有行程長(zhǎng)度交通便利，易于操作。氣動(dòng)活塞和引導(dǎo)流體在柱塞大會(huì)上保障了，但運(yùn)動(dòng)的密封柱塞同心聚四氟乙烯復(fù)合軸承兩端。之間的回位彈簧和柱塞間隙進(jìn)行了優(yōu)化，以消除任何可能的聯(lián)系

V Dual Seal Plunger

"V" Pump Features

Stroke Adjuster is made more compact and adjustment is simplified with an internally threaded design. The positive locking device to hold stroke length is readily accessible and easy to operate.
The Pneumatic Piston and Fluid Plunger Assembly is guided at both ends on TFE composite bearings ensuring concentric movement of the plunger though the seals.
The clearance between the return spring and plunger has been optimized to eliminate any possible contact.
A true double sealing arrangement is used so that secondary seal containment is provided.
Lubrication has been simplified with the use of synthetic grease. The lubrication chamber is filled once over the life of the seals.
The bleeder is equipped with a barbed fitting for plastic tubing so that the fluid bled from the fluid chamber can be collected.
Both the discharge and suction check valves have tough TFE composite seats for long life and positive sealing.
Threaded port after the secondary seal provides for the indication, collection or containment of any seal leakage

動(dòng)力沖程：
作為控制器的空氣或氣體進(jìn)入氣動(dòng)傳動(dòng)氣缸，活塞驅(qū)動(dòng)柱塞裝配成的液腔，取代液體和壓縮回位彈簧。由于柱塞取代了液體，在壓力升高的吸力單向閥關(guān)閉，并打開出口止回閥。
吸入沖程：
當(dāng)空氣或氣體耗盡的氣動(dòng)驅(qū)動(dòng)力氣缸的活塞回位彈簧柱塞大會(huì)返回到原來的位置。在流體中的腔壓力下降造成的活塞回縮允許出口止回閥彈簧加載，關(guān)閉和吸力單向閥打開，使流體腔室又充滿了力量和行程做好準(zhǔn)備。

V Dual Seal Plunger

Operation

POWER STROKE:
As the CONTROLLER air or gas enters the PNEUMATIC DRIVE CYLINDER, the PISTON-PLUNGER ASSEMBLY is driven down into the FLUID CHAMBER, displacing fluid and compressing the RETURN SPRING. As the plunger displaces the fluid, the rise in pressure closes the SUCTION CHECK VALVE and opens the DISCHARGE CHECK VALVE. A precise amount of fluid, corresponding to the stroke of the plunger, is discharged.

SUCTION STROKE:
When the air or gas is exhausted from the PNEUMATIC DRIVE CYLINDER the RETURN SPRING forces the PISTON-PLUNGER ASSEMBLY to return to its original position. The drop in pressure in the FLUID CHAMBER caused by the retraction of the piston allows the spring loaded DISCHARGE CHECK VALVE to close and the SUCTION CHECK VALVE to open so that the FLUID CHAMBER is again filled and ready for the power stroke.

V Dual Seal Plunger

Performance Guidelines

* This data should only be used to provide you with your initial size selection. You must refer to the actual performance graphs in order to verify your pump selection.