Product Details

Product information

♣ door opening pumps

The bus door opening pumps consists of two parts- the lower part is a cylinder with cushioning; the upper part is a set of screwing mechanism.

The lower part:in the cylinder the up&down movement of piston realizes close&open operations of door, using the air pressure to drive the screw shaft to lift and drop through the piston movement.

The upper part has three components:

Support:it funcions as 1.the connector between the upper screw mechanism and lower cylinder;2.guiding to the screw shaft working with the spline;3.the bracket of the outer sleeve;4.the primary bearing of the total door weight(thus should be strong enough).

Screw shaft(drive shaft):the priciple part to convert up&down movement to rotating action.

Sleeve asm:rotates along the screw grooves on the screw shaft, driving the arms to swing together.

Control voltage	12V,24V
Working air pressure	0.4—0.8Mpa
Swing direction	Left/Right
Max. swing angle	140°
Max. lift height	20mm(at swing angle 140°)
Load capacity	No less than 1000N(at min. load door weight)
Endurance	1000000 times

(1)Provide professional person to communicate with you before the order.

(2)After-sales service: Thank you for purchasing our products, if you are in the course of the product have any quality or technical questions, please feel free to contact our customer service, we are happy to provide you spare parts supply and technical support..

(3)before export in each process we have strict quality control of each part

(4)Delivery time: 7 days after finished payment.

(5)Payment Terms: L/C, T/T , Western Union , Cash, PayPal

1.What're the accepted payment terms?

TT/LC/Western Union

2.What’s the warranty policy?
One year

3.What’s the shipping date?
According to the products.

4.You are trading company or dealer?
As authorized regional dealer we can get the items directly from the factory, also we have the ability to design, manufacture and supply the solutions.

5.Overseas service or not?
Overseas service available.

6.You accept customized products or not?
We have the ability to make the customized products according to the requirements.