| Function: | Pressure Regulating, Flow Control |
|---|---|
| Installation: | Cover Plate |
| Drive: | Hydraulic |
| Type: | excavator main valve |
| Transport Package: | Export Wood Case |
| Specification: | for 20-25 ton usage |
| Samples: |
|---|
| Customization: |
|---|
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| Model | VM28 |
| Max flow | 250L/min |
| Oil temp range | -20ºC~+90ºC |
| Main relief valve set pressure | Std 31.5(+1/0)MPa, when 180L/min |
| Boost 35(+1/0)MPa, when 160L/min | |
| Port relief valve set pressure | Boom,arm,bucket 37(±0.5)MPa, when 20L/min |
| Option 20(±0.5)MPa, when 20L/min | |
| Negative control valve set pressure | 3.2(+0.7/0)MPa, when 30L/min |
CCHC Hydraulics has passed the attestation of ISO9001:2015 Certificate on Dec 19,2018; ISO9001:
2015 Quality Managment System Certificate and ISO14001:2015 Environmental Management System
Certificate on Jan 10,2022.
Shandong CCHC Hydraulics Co., Ltd. formerly was established in February, 2010, and officially put into
operation on October 14th, 2011,the company is one of the subsidiaries of Shandong Changlin Machinery Group,the total investment is 2.6 billion yuan, which is one of the largest high-
end mechanical power flow products in China so far. The main products include pumps, valves, motors,
reducers, gearboxes, etc. The product application covers engineering machinery, agricultural machinery,
industry and other fields.
Packing according to customer's requirement
1. If I only know the excavator model, but can not offer parts No., what should I do ?
If possible, you can send us pictures of old products, nameplate or the size for reference.
2 . What is the warranty of the parts after I purchased?
The warranty is 6/12 Months
3 . How can I pay the order?
You can finish the payment by T/T, Paypal etc.
4 . When will get the items after I place order?
Once we received your payment, we will arrange the shipment within 48 hours ;
If out of stock , we will let you before payment .
5 . How can I do if there is something wrong with the items?
First of all, we have confidence in the quality of our products.
But if you found something wrong, please provide the pictures and video for us to check.
6 . What is your main products ?
We specialize in hydraulic spare parts, like final drive, travel motor, travel gearbox, swing motor, swing gearbox,
main valve, hydraulic pump and so on.
ODM & OEM are both ok, since we have a sophisticated R&D team and precise equipment with the yearly output of 35000 pieces.
Besides, we have another three brother companies belonging to our Changlin Group. One is Lishide Construction Machinery Co., Ltd, which manufactures excavators, one is Shandong Changlin Paike Agricultural Machinery Co., Ltd, which is an agricultural machinery manufacturing enterprise integrating R&D, manufacturing, sales and service, the other is Shandong Changlin Casting Industry Co. Ltd which produces cast iron and other metals.
So, please feel no hesitate to send your inquiries, we will offer you the best price in time and the thoughtful service forever.
If for any other usages,pls message us the details,as photos of pumps,nameplates and
excavator brands and models informations.
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