
Chan No. |
Pitch |
Roller
diam eter |
Width
betw een
nner
pha tes |
Pin diam eter |
Pin length |
Inner
plate
depth |
Plate thckness |
Transverse pitch |
Tensile
strength |
Dynamic load strength |
Weight
per meter |
P |
d1 max |
b1 min |
d2 max |
L max |
Lc max |
h2 max |
t/T max |
Pt |
Q min |
Fd min |
q |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
kN/lbf |
kN |
kg/m |
16ASLR(FQ)-2 16BSLR(FQ)-1 |
25.40 25.40 |
15.88 |
15.75 |
7.92 |
62.70 |
65.30 |
24.00 |
3.25 |
29.29 |
111.2/24998 |
12.80 |
5.21 |
15.88 |
17.02 |
8.28 |
36.10 |
39.10 |
21.00 |
4.15/3.10 |
- |
72.0/16185 |
12.50 |
2.69 |
16BSLR(FQ)-2 |
25.40 |
15.88 |
17.02 |
8.28 |
68.00 |
71.00 |
21.00 |
4.15/3.10 |
31.88 |
149.5/33607 |
19.00 |
5.48 |
20BSLR(FQ)-2 |
31.75 |
19.05 |
19.56 |
10.19 |
77.80 |
81.50 |
26.40 |
4.50/3.51 |
36.45 |
200.0/44860 |
30.00 |
8.04 |
24ASLR(FQ)-2 |
38.10 |
22.23 |
25.22 |
11.10 |
95.80 |
99.70 |
35.70 |
4.80 |
45.44 |
284.0/63843 |
46.00 |
11.82 |
24BSLR(FQ)-2 |
38.10 |
35.40 |
25.40 |
14.63 |
101.70 |
106.20 |
33.20 |
6.00/4.80 |
48.36 |
319.2/71756 |
37.20 |
12.43 |
28ASLR(FQ)-2 |
44.45 |
25.40 |
25.22 |
12.70 |
103.30 |
107.90 |
41.00 |
5.60 |
48.87 |
380.0/85424 |
69.00 |
14.80 |
Self-lubricating escalator drive chains are advanced transmission components designed to reduce maintenance needs and enhance operational reliability in escalator systems. These chains integrate built-in lubrication mechanisms that automatically deliver lubricant to critical contact points (e.g., pins, bushings, and rollers) during operation, eliminating the need for frequent manual lubrication.
Integrated Lubrication Systems: Equipped with small reservoirs, micro-channels, or porous sintered metal components (e.g., oil-impregnated bushings) that store and release lubricant gradually. The lubricant (typically high-performance synthetic grease) is distributed evenly as the chain rotates, ensuring continuous protection against friction and wear.
Reduced Friction & Wear: The consistent delivery of lubricant minimizes metal-to-metal contact between moving parts, lowering friction coefficients and extending the chain's service life by 30%-50% compared to conventional chains.
Maintenance Efficiency: Eliminates manual lubrication tasks, reducing downtime and labor costs. This is particularly valuable for high-traffic escalators in airports, subway stations, or malls, where frequent shutdowns for maintenance are disruptive.

Qingdao Star Machine Technology Co., Ltd. is located in the beautiful coastal city-Qingdao. We are a large enterprises groups engaged in researching, production marketing and technical services, having three large research and production bases and one large marketing center for transmission parts, bearings, chains, sprockets tractor driving axles and hydraulic steering units. Covering 80,000 square meters, now we have 816 employees including 167 senior professional technicians and a global network of sales and service system.Keeping good partnership with Liaocheng University, Qingdao University, Shandong Agricultural University. Shandong University and Chinese Academy of Agricultural Sciences, we are getting great technical support from industry experts.
"You provide a request, We'll give you a perfect product".
We uphold the business philosophy "integrity, efficiency, cooperation, innovation", quality first, advanced technology, precision production, integrity management, efficient service, to support our customers with the top quality products and super sophisticated technology.

1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed Worldwide Marketing Network
7. Efficient After-Sale Service System
The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customizations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.
We are not just a manufacturer and supplier, but also an industry consultant. We work pro-actively with you to offer expert advice and product recommendations in order to end up with a most cost effective product available for your specific application. The clients we serve worldwide range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.
Q: Why choose us ?
A. We are a manufacture, we have manufactured valve for over 20 years.
B. Reliable Quality Assurance System;
C. Cutting-Edge Computer-Controlled CNC Machines;
D. Bespoke Solutions from Highly Experienced Specialists;
E. Customization and OEM Available for Specific Application;
F. Extensive Inventory of Spare Parts and Accessories;
G. Well-Developed Worldwide Marketing Network;
H. Efficient After-Sale Service System
Q. What is your payment term?
A: 30% TT deposit, 70% balance T/T before shipping.
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
Q: What is your main market?
A: North America, South America, Eastern Europe, Western Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia,
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.