Xi'an Yunyi Instrument Co., Ltd
Xi'an Yunyiyibiao Instrument Co., Ltd. is a national high-tech enterprise, specializing in the R&D, production and sales of pressure transmitter,level meter, flow , temperature instrument and
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Description industry Economic digital hydraulic pressure piston dead weight tester
piston dead weight tester is our fourth generation product, this product is based on YS piston tester and KY piston tester, with a cost-effective, anti-off mechanism for piston systems, greatly reducing the harm caused by improper operation
specification industry Economic digital hydraulic pressure piston dead weight tester
| Item | YS Series | KY Series | JQ Series | Difference |
| Material | Alloy steel(hardness 28) | Tungsten carbide | Tungsten carbide | Alloy is easy to wear, with big deformation |
| (hardness 102) | (hardness 102) | coefficient, high error when high pressure | ||
| Tungsten carbide with big hardness, small | ||||
| Anti-breaking | With guide rod for anti-breaking | Without guide rod | With guide rod for | Anti-breaking device will reduce the piston |
| device | anti-breaking | fall time, but can protect the piston rob, | ||
| Pre-pressurizing | No Pre-pressurizing device | With Pre-pressurizing device | Optional (electric pre-pressurizing) | Pre-pressurized mainly used when the |
| device | customer needs to connect more oil-filled | |||
| pipes and equipment. Usually it does not | ||||
| Displacement | Scale displacement | Digital displacement | Scale displacement indication | Physical scale indication can be from the |
| directions | indications | indications | (Optional lighting instructions) | shackles of electricity, figure indicates more |
| intuitive, both have their advantages, JQ type | ||||
| Pressurization | Use traditional | Self-lubricating pressurized | Small compression screw, | Traditional screw pressurized system need |
| system | compression screw | cylinder without having to | need to replace the sealing ring, | more labour power. |
| replace the sealing ring | but with longer life | Self-lubricating pressurize is very easy | ||
| Small caliber pressurized cylinder in the middle | ||||
| workbench | Cast iron workbench | Cast aluminum workbench | Cast iron workbench |
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