Truck Spare Parts Bellow Expansion Bellows

Truck Spare Parts Bellow Expansion Bellows

Truck Air Brake System High Quality CAMSHAFT We mainly supply Truck Air Brake System High Quality CAMSHAFT 20 years . We have high quality products, Our Company has passed ISO9001 /TS16949 certificate, with a range of testing equipment. We are the best CIMC Supplier, and expecting to become your...

Product Details

Truck Air Brake System High Quality  CAMSHAFT

Product Introduction 

Internal Sleeves shall be specified for ALL expansion joints in the following cases:

a. When it is necessary to hold friction losses to a minimum and smooth flow is desired.
b. When flow velocities are high and could produce resonant vibration of the bellows. Internal sleeves are recommended when flow velocities exceed the following values:
Air, Steam and other Gases
Up to 6 in. diameter – 4 ft./sec./inch of diameter.
Over 6 in. diameter – 25 ft./sec
Water and other Liquids
Up to 6 in. diameter – 2 ft./sec./inch of diameter
Over 6 in. diameter – 10 ft./sec.

There are several other things to consider when choosing whether or not to use a flow liner. Due to lateral movements, the gap between the bellows and the internal sleeve must be designed appropriately in order to prevent contact or binding against the inside diameter of the pipe or fitting. Also, making sure the inside diameter of the internal sleeve does not create back pressure or restrict the flow of media is extremely important, and usually can be avoided by utilizing an oversize bellows.

Abrasive media such as a catalyst or ash will erode or destroy the bellows element, so it is recommended the internal sleeve is of a heavy gauge. A thicker liner is also recommended where turbulent flow is generated within ten pipe diameters of the expansion joint by changes in flow direction, valves, cyclonic devices, a tee or an elbow.

Paying attention to applications where flow liners should be used is important. Any question of whether or not one is needed can be quickly resolved by contacting DME, we do it everyday.

OEM Partners


Sales & Market


Delive, Shipping And Serving


1. CIMC Supporting Supplier

2. Certification: ISO9001/ TS16949

3. Delivery time: 5-25 days

4. Shipping:By sea, air, land

5. Main Products : Air Spring Brake Chambers Automatic Slack Adjuster  

Manual Slack Adjuster,Clutch Booster, Air Dryer, Air Brake Valves ,ect

Authentication Information




Factory Information




1. Q:  Are you a manufacyture or trading company

A:  We are manufacturer of air brake chamber, air hose, slack adjuster, air dryer, clutch booster, air brake valve, brake drum, and trading company of other truck and trailer parts like brake shoe, air spring, landing gear, u bolts, spring, fifthwheel, kingpin, axle, hydraulic jack; we also supply some service to customer like checking goods for them, arrange the shipment for them.

2. Q:  How many years have your company deal in truck parts?

A:  We have been in truck and trailer parts for 20 years till now. 

3. Q: What is your company major products?

A: Our main products are Air Spring Brake Chambers, Automatic Slack Adjuster,  

Manual Slack Adjuster, Clutch Booster, Air Dryer, Air Brake Valve, brake drum, 

4. Q:  What is the MOQ?

A:  Usually our MOQ is depending on different goods. you can inquiry for detail information. 

5. Q:What is the delivery time?

A:  It takes 5~7 days if there is stock, but takes 20-25days if there is no stock.

6. Q:  What payment do you accept?

A:  T/T L/C

Welcome to buy the truck spare parts bellow expansion bellows with our factory. It's made in China and enjoys good reputation around the world for its good quality and excellent after-sale service. As one of the leading TRUCK PARTS manufacturers and suppliers in China, we're always at your service.