Post Tension Equipment PC Strands Stressing Jack

Post Tension Equipment PC Strands Stressing Jack
Descriptions:
1. It is suitable forthe tension of group anchorswith1860-2000 sizes, Φ15.24, Φ12.7 strands.
2. In some certain circumstance it can be used inthe working of pushing, jacking and transforming and so on.
3. Easy to operate and used widely.
Notice: according to users' requirement, YDCprestressing jack can be configuredFeatures:
YDC Feed-through jacks are the new designed products in our company, are the upgrades of the primary jacks.
1. Using new seals, to synchronous strengthen the seal-ability under great pressure.
2. Using special alloy steel with heat treatment process, reducing the cylinder's expansion ratio in the tensioning
process. So the life of seals and sealing performance can be improved about 20%.
3. In the tensioning the operating process, jacks is easily damaged under overpressure because of the jack-based
pullback cylinder, so we added the overpressure valve on the jacks to pressure production. Meanwhile we improved
the original of commonly used structure by wire disc and flanged disc, to make the bearing capacity for oil pressure
strengthen. So enormously reduce the possibility of mechanical damage due to improper operation.In the word, the YDC series feed-through jacks' performance is improved, and widely used in pre-stressing and post
stressing construction.
Technical parameter:Item/
DimensionsNominal TensionRated Oil PressurePulling
StrokeArea of Tensioning
PistonCenter hole DiameterMinimum
Working
SpaceThe Reserved Length of StrandOver
dimensionKNMpammmm²mmL(mm)E(mm)K(mm)out diameter
(mm)length
(mm)YDC60605415011193087459.538770287YDC130130501602592308387739590295YDC2702706118544183088889415105315YDC650650501501301840860145380170288YDC110011005120019792801210184680217330YDC150015005020030257901210230680270330YDC2000200051200398201101296272723320360YDC2500250052200483811271306298728350360YDC3000300052200577271451322336736375380YDC3500350048200734351621322336745415395YDC4000400051200791681621324374745435395YDC4600460051200910281801350420750470410
Applications:
It is matched with prestressed anchorage widely used in theconstruction of bridge and buildings, railway and subway,water conservancy and hydropower engineering.
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