The extension rod is an important parts transporting the power from the driving end to the hydraulic end.

It is made of premium alloy steel through unique manufacturing process and advanced technology.Its mechanical property is improved after heat treatment.The surface is smooth,wear-resistant and anti-corrosive after chrome plating and accurate grinding.

The intermediate rod, also called the intermediate rod, is the key part at the boundary between the power end and the hydraulic end, and is an important part of connecting the crosshead and the piston rod. Its function is to transfer the power to the hydraulic end. One end of the utility model is connected with a crosshead, the other end is connected with a piston rod through a clamp, and the outer circular surface of the utility model is equipped with a packing box assembly. In the reciprocating motion, the outer circle of the intermediate rod and the seal in the packing box rub against each other. In order to ensure the wear resistance, the outer surface of the intermediate rod is plated with hard chromium.

The material of the middle pull rod produced by our company is 35CrMo, and the surface is smooth after chrome plating, which greatly improves the wear resistance and corrosion resistance. Our products have passed API 7K certification of American Petroleum Institute, and passed the certification of the third-party entity company of Rhine, Germany. The quality of our products has reached the international and domestic leading level, and won the praise of customers at home and abroad.

Mud Pump Parts Model We Can Do

FAQ
1) How can I place order?
A: You can contact us by email about your order details, or place order on line.

2) How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T is the most usual ways we are using.

3) What's the order procedure?
A: First we discuss order details, production details. Then we issue you an PI for your confirmation. You will be requested to do pr-e paid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25 days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.

4) How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.

5) How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.

More customer view:56-Fluid End Expendables-yindapump.com.pdf