Changsha Origo Technology Co., Ltd.
| Payment Terms | L/C,D/P,T/T |
| Supply Ability | 50 sets/month |
| Delivery Time | 7~14 Days |
| Packaging Details | cardboard box |
| Weight | 11KG |
| Sizes | 116*118*271cm |
| Brand Name | SANY |
| Model Number | 13770635 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,D/P,T/T | Supply Ability | 50 sets/month |
| Delivery Time | 7~14 Days | Packaging Details | cardboard box |
| Weight | 11KG | Sizes | 116*118*271cm |
| Brand Name | SANY | Model Number | 13770635 |
| Certification | ISO9001 | Place of Origin | China |
| High Light | Trinity crane winch counterbalance valve ，Crane spare parts counterbalance valve ，P22Q021 winch valve with warranty | ||
Product Description
Sany Crane Parts Winch Counterbalance Valve P22Q021
13770635 fits the following models:
Sany/55 tonnes/STC550T5
STC250S-Y18
Function:
The crane winch counterbalance valve is an important safety device, and its main functions include the following:
1. Preventing heavy loads from slipping
The winch counterbalance valve prevents the free fall of heavy loads due to hydraulic system failure, pipe rupture or other unforeseen circumstances when the crane is lifting heavy loads. It balances the self-weight of the heavy load by generating a certain back pressure in the hydraulic circuit to ensure that the heavy load is always kept in the set position during the lifting process.
2. Control of falling speed
The counterbalance valve can control the descending speed of the hook or boom so that it is not affected by the change of load weight. By adjusting the opening of the spool, the counterbalance valve can ensure that the heavy load maintains a smooth and controllable speed during the descent, avoiding safety accidents caused by the heavy load falling too fast.
3. Provide load holding function
When the crane's winch mechanism stops working, the counterbalance valve can lock the hydraulic circuit to prevent the hydraulic oil from flowing back, so as to keep the heavy load stationary in the lifting position. This function is essential for the safety of the crane when it is temporarily parked or waiting to be worked on.
4. Ensuring operational stability
The counterbalance valve regulates the pressure and flow in the hydraulic system to keep the crane stable during operation. It can automatically adjust the flow of hydraulic oil according to the change of load to ensure that the crane can run smoothly during operations such as lifting, lowering and luffing.
5. Prevent hydraulic system overload
The counterbalance valve can also prevent the hydraulic system from overloading due to excessive load. It protects other components in the hydraulic system from damage by limiting the flow and pressure of the hydraulic fluid.
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2024
Total Annual:
40000000-140000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
1,Company ProfileChangsha Origo Technology Co., Ltd was founded in 2024, is located in Changsha, Hunan Province, the capital of China's construction machinery, located in the future wisdom city of Changsha County, Changsha City, Hunan Province, East Sixth Road, the founder of the company has been en... 1,Company ProfileChangsha Origo Technology Co., Ltd was founded in 2024, is located in Changsha, Hunan Province, the capital of China's construction machinery, located in the future wisdom city of Changsha County, Changsha City, Hunan Province, East Sixth Road, the founder of the company has been en...
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