Hydraulic Seal installation requirements:

1. the hydraulic sealing gaskets and flange sealing surface should be clean

2. hydraulic sealing gasket diameter should be smaller than flange seal face outside and inside diameter should be slightly bigger than a pipe inside diameter

3. Sealing gasket pre-tightening force should not exceed the design rules

4. sealing asbestos gasket compression, it is best to use the torque wrench

5. Installing a sealing gasket, should be in order, in turn, tighten the nut

6. if there is any leakage, must be installed after antihypertensive treatment to replace or adjust the sealing gasket

Seal kit will be supply as below:

* Boom Cylinder Seal Kit

* Bucket Cylinder Seal Kit

* Arm Cylinder Seal Kit

* Center Joint Seal Kit

* Adjuster Cylinder Seal Kit

* Main Pump Seal Kit

* Travel Motor Seal Kit

* Swing Motor Seal Kit

* Regulator / Polit Valve Seal Kit

* Main Control Valve Seal Kit

Order Process

1. Getting your inquiry (Including: machine model, part name, order quantity, data of items, delivery term)
2. Quoting our competitive price for you
3. Place an order after approving the quotation or products
4. We will send Proforma Invoice or sales confirmation
5. You prepay by T/T or L/C or Western Union or ESCROW through bank
6. we will starting to produce after we get your kind payment
7. Packing
8. Shipping the goods to your(our)forwarder
9. Sending all doc for your custom clearance
10. Time to reorder

Guangzhou Sonka Engineering Machinery Co., Ltd.

Loion: Guangzhou, China

Business scope:excavator spare parts

Fit for machine model brand: Komatsu, Hitachi, Kobelco, Kato, , Daewoo, Sumitomo, Hyundai, Volvo

Start

Sonka Company grew out of Global Engineering Machinery.

Time back in 2009, a spare parts shop named GLOBAL ENGINEERING MACHINERY established in Guangzhou City. Soon but stably, it sold its spare parts to more than 30 cities in domestic China in the same year, with the fame spreading far and wide, for the good product quality and service.

At that time the shop mainly sold mainly in seal and seal kits lines: excavator seal kits, loader seal kits, bulldozer seal kits, breaker seal kits and other construction machinery-related seals.

Growing

To meet customer’s growing needs on seal kits, in 2013, a new company named Guangzhou Huanqiu Seal Technology Co. LTD was set up to handling the seal factory. Factory manufactures all kinds of seals for construction machinery.

It then lay solid foundations for oncoming development.

HQPA stands for High Quality Product Assurance!

Expand

With rich experience and established technique, customers are satisfied with our seal kits for high quality and good performance.

And we would like to share these seal kits with the world outside China. In the year of 2014, we creates the Guangzhou Sonka Engineering Machinery Co. Ltd, a branch trading company, to deal with all the oversea business.

Prospect

In the year 2020, Sonka Company will upgrade our brand. We will set up Management Service Center in the oversea market to promote our uniform brand all over the world.