Introduction OfHigh Quality Railway Dowty Retarder Track Retarder
TDR601 Railway Dowty Retarder Track Retarder (hereinafter referred to as Retarder) is designed to meet the performance parameters in TB / T2460-93 standard basis, security Installation, maintenance co
nvenience as the main design direction, and its features are the following aspects:
1. Compact, small body, do not climb when installing ballast.
2. The quality of retarder is 6.9 kg, light weight, greatly reducing the workload of maintenance perso
nnel to install and maintenance.
3. The abolition of the traditio
nal mushroom head, avoid topping phenomenon, lo
nger life, saving the maintenance workload and maintenance costs.
4. Hand in hand with a ring seal cover, easy accessibility, to extend the service life of the sealing cap.Railway
Parameter OfHigh Quality Railway Dowty Retarder Track Retarder
Critical speed(m/s)
| 1.25 | 2 | 2.5 | 3 | 3.5 | 4 |
Braking power(J)
| 750 | 800 | 830 | 874 | 900 | 930 |
Resistance work(J)
| <=35 | <=35 | <=40 | <=40 | <=45 | <=45 |
Lift height(mm)
| <=8 | <=8 | <=8 | <=8 | <=8 | <=8 |
PhotosOfHigh Quality Railway Dowty Retarder Track Retarder



Shandong China Coal Industrial & Mining Supplies Group Co.,Ltd (hereinafter referred to as China Coal) is a group company, which is a collection of e-commerce, machinery manufacturing, software, research and development, modern logistics of large diversified industrial group. The group has 100 million yuan registered capital , with more than 1100 employees.
China Coal is a professio
nal manufacturing ba
se of mines support equipment, transport equipment, lifting equipment, spray equipment, drilling equipment, ventilation equipment, lifting equipment and other products, as well as research and development new product and mine co
nstruction products with advanced high technology.