New Arrival China Cat 330c Hydraulic Pump - main cylinder check valve for concrete pump spare parts – CCMIC
New Arrival China Cat 330c Hydraulic Pump - main cylinder check valve for concrete pump spare parts – CCMIC Detail:
main cylinder check valve
Because there are many kinds of spare parts, we can’t display them all on the website. Please feel free to contact us for specific ones
advantage
1. We supply both original and aftermarket products for you
2. From the manufacturer to the customer directly, saving your cost
3. Stable stock for normal parts
4. In Time Delivery Time, with competitive shipping cost
5. Professional and on time after service
Packing
Carton Boxes, or according to clients’ request.
description
Check valves at both ends of the main cylinder of the concrete pump truck. In normal work, the oil circuit is closed and the one-way valve works. The oil circuit plays a damping and buffering role to reduce the impact force of the main oil cylinder piston on the bottom of the main oil cylinder block. When the piston head is replaced, the one-way valve does not work when the oil circuit is opened, so that the piston can be drawn back to the cleaning chamber to facilitate the replacement of the piston.
Why does the damage of the check valve of the main cylinder of the concrete pump cause the cylinder stroke to be shortened and pumping weak?
Generally, there are two reasons for the shorter main cylinder stroke:
a. The main cylinder leaks, and long-term operation will cause the stroke to become shorter. When the leak in the main cylinder is small, the preset pressure can be reached by holding the pressure (close the shut-off valve), so it is not possible to judge whether the seal of the master cylinder is damaged by holding the pressure.
b. There are 4 one-way valves in a set of equipment. Generally, one-way valve on the rod cavity plays a role of oil supplement. When the one-way valve on the rod cavity is damaged (such as normal wear and tear, the spool cannot be opened smoothly), When the piston of the cylinder pushes forward by one cylinder and retreats, the retraction cylinder must be refilled through the rod cavity check valve of the extension cylinder to ensure that the retraction cylinder can be retracted to the bottom, because when the cylinder is retracted, when the piston runs to “U” In the area of the ”-shaped tube, the oil in the rod cavity is returned to the main hydraulic system through the rodless cavity check valve (this check valve has the function of cooling the oil and buffering the piston), and it must be extended by The rod cavity check valve replenishes the retreat cylinder, otherwise the cylinder cannot return to the specified position. Long-term operation will cause the stroke of the master cylinder to become shorter. If the stroke becomes shorter, the piston rod of the cylinder is generally reset to fully extended by squeezing the pressure If the travel problem still occurs after a short period of time (a few hours), generally replace the one-way valve first (short replacement time, fast speed), if it still does not work, replace the master cylinder seal, but it is more time-consuming and necessary if necessary A set of work clothes.
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We can constantly satisfy our respected customers with our good high quality, good price tag and good support due to we have been additional specialist and extra hard-working and do it in cost-effective way for New Arrival China Cat 330c Hydraulic Pump - main cylinder check valve for concrete pump spare parts – CCMIC , The product will supply to all over the world, such as: Mecca, Rome, French, They are sturdy modeling and promoting effectively all over the world. Never ever disappearing major functions within a quick time, it's a have to for you of fantastic good quality. Guided by the principle of Prudence, Efficiency, Union and Innovation. the corporation. ake an excellent efforts to expand its international trade, raise its organization. rofit and raise its export scale. We are confident that we have been going to have a bright prospect and to be distributed all over the world in the years to come.
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By Eric from Iran - 2017.03.28 16:34
This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
By Lena from Provence - 2017.03.28 16:34
