British Standard Long Pitch Link Chain | Cranked Link Chain for Industrial & Marine Applications
Product Overview
The British Standard long pitch link chain is a cranked link chain designed for industrial transmission and conveying applications. It is manufactured as a compact ring chain structure with cranked links and is commonly used in textile machinery, packaging machinery, conveying equipment, agricultural machinery, mining equipment, electric vehicles, food machinery, and marine-related equipment.
This page focuses on the supplied British Standard long pitch link chain data. The chain is a mechanical power / conveying chain product and should not be confused with lifting chain, anchor chain, mooring chain, or safety chain. Final chain selection should consider pitch, sprocket compatibility, operating environment, speed, lubrication, corrosion protection, and required mechanical strength.
Public standards references show that cranked link chain dimensions and performance are covered in industrial chain standards, while supplier information identifies this product family as a BS / ISO / DIN / JIS / GB compatible cranked link chain. The exact applicable standard edition should be confirmed before production. citeturn0search0turn0search2
Quick Specifications
- Product type: British Standard long pitch link chain → cranked link chain for conveying and mechanical drive applications.
- Structure: Flash butt welded chain with cranked links → compact ring chain structure according to supplied data.
- Material: Alloy steel and other specified materials → final grade should be confirmed according to operating condition.
- Surface treatment: Chrome plating or customer-specified treatment → select according to corrosion environment and application.
- Pitch range: 3.20 mm to 25.40 mm from supplied table → selection basis for chain matching.
- Breaking load range: 400 kg to 24300 kg from supplied data → mechanical strength reference, not lifting capacity.
- Test load range: 200 kg to 12150 kg from supplied data → factory test reference.
- Weight data: Net weight per 200 FT available in B.F. and H.D.G. finish references.
Main Technical Parameters
| Specification |
Test Load |
Breaking Load |
Net wt Per 200FT(kg) |
| D |
L |
W |
| in |
mm |
mm |
mm |
kg |
kg |
B.F |
H.D.G |
| 1/8 |
3.20 |
23 |
12 |
200 |
400 |
10.40 |
10.70 |
| 5/32 |
4.00 |
27 |
15 |
300 |
600 |
16.60 |
17.50 |
| 3/16 |
4.70 |
31 |
17 |
400 |
800 |
22.40 |
23.30 |
| 7/32 |
5.50 |
32 |
19 |
550 |
1100 |
32.00 |
33.00 |
| 1/4 |
6.35 |
33 |
21 |
750 |
1500 |
43.50 |
44.80 |
| 5/16 |
7.94 |
48 |
31 |
1200 |
2400 |
68.00 |
70.00 |
| 3/8 |
9.50 |
60 |
37 |
1700 |
3400` |
96.00 |
99.00 |
| 7/16 |
11.11 |
71 |
41 |
2300 |
4600 |
126.00 |
129.00 |
| 1/2 |
12.70 |
85 |
48.5 |
3000 |
6000 |
167.00 |
172.00 |
| 5/8 |
15.80 |
114 |
61.5 |
4700 |
9400 |
256.00 |
264.00 |
| 3/4 |
19.00 |
125 |
75 |
6800 |
13600 |
381.00 |
392.00 |
| 7/8 |
22.20 |
140 |
88 |
9250 |
18500 |
527.00 |
543.00 |
| 1 |
25.40 |
155 |
100 |
12150 |
24300 |
696.00 |
716.00 |
Selection & Inquiry Guide
Step 1: Confirm chain type: cranked link chain, long pitch chain, or other chain family according to equipment requirement.
Step 2: Confirm pitch, chain width, sprocket compatibility, operating speed, load condition, and installation environment.
Step 3: Confirm material grade, heat treatment, surface treatment, corrosion condition, and temperature requirement.
Step 4: Confirm whether the application is conveying, transmission, textile machinery, packaging machinery, agricultural machinery, mining equipment, or marine equipment.
Step 5: Confirm required test load, breaking load, inspection document, coating requirement, quantity, and delivery destination.
Structure
Cranked link plates | Pins | Bushes | Welded chain joints | Compact ring chain structure | Surface treatment layer
Engineering & Application Advantages
- Cranked link construction allows compact chain arrangement for machinery where standard straight link chain geometry is not suitable.
- The chain is selected primarily by pitch, dimensions, sprocket compatibility, and mechanical strength rather than by marine mooring terminology.
- Surface treatment options such as chrome plating or customer finishes can improve corrosion resistance depending on working environment.
- Correct lubrication, alignment, sprocket matching, and maintenance are essential for chain service life.
- Breaking load and test load values should not be interpreted as lifting capacity without specific certification and application approval.
- Marine use should be confirmed separately because this product is not the same category as anchor chain, mooring chain, or towing chain.
Custom Attributes
- Chain Type: Cranked Link Chain → long pitch chain structure for industrial applications.
- Standard: British Standard long pitch link chain → exact BS / ISO / DIN / JIS / GB standard edition to be confirmed.
- Material: Alloy steel etc. → exact material grade and mechanical properties to be confirmed.
- Surface Treatment: Chrome plating or customized treatment → selected according to corrosion and wear requirement.
- Structure: Flash Butt Welded Chain → production method from supplied specification.
- Application: Textile, conveyor, packaging, food machinery, agricultural, mining, electric vehicle, marine equipment → confirm actual duty before selection.
How It Works
Chain engages with matched sprocket or drive system → Cranked links transmit motion and force → Welded joints and pins carry chain tension → Lubrication and alignment maintain operating performance
Applications
Textile machinery | Clothing machinery | Conveying equipment | Packaging machinery | Food machinery | Agricultural machinery | Mining equipment | Electric vehicles | Marine equipment
Certifications & Advantages
Certificates and inspection documents can be arranged according to project requirement and customer specification.
Certification: CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, Makers Test Certificate.
Drawing & Photos
FAQ
Q1: Is this chain suitable as lifting chain?
A1: No. The supplied product data describes a cranked link chain for machinery and conveying applications. It should not be used as lifting chain without a specific lifting certification and approval.
Q2: How should the correct chain size be selected?
A2: Confirm pitch, chain dimensions, sprocket matching, operating speed, load condition, environment, and required mechanical strength.
Q3: Can this chain be used for marine applications?
A3: The supplied data mentions ships and marine equipment among applications. Actual marine use should confirm corrosion protection, material requirement, and operating conditions.
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