Block Connecting Link for Mining Chain — DIN 22258-1
Block Connecting Link for Mining Chain, DIN 22258-1, 6 sizes, 22 × 86 mm to 38 × 137 mm, breaking force 540 to 1,610 kN. Indus part numbers, manufacturer's test certificate.
Key features
- Product type: Block connecting link
- Pattern / standard: DIN 22258-1 (also MT/T 99)
- Size range: 22 × 86 mm to 38 × 137 mm
- Working load limit: Not rated — conveyor and mining chain, not for lifting
- Size range
- 22 × 86 mm to 38 × 137 mm
- Material
- Forged alloy steel, heat treated
- Finish
- Self-colour or painted
Product description
Two-part block connecting link to DIN 22258-1 for joining round link mining chain and compact chain. It fits through the conveyor as a horizontal or vertical link in round link chain, and as a horizontal link in compact chain, and locks with its central pin.
Sizes and ratings
6 sizes, 22 × 86 mm to 38 × 137 mm. Minimum breaking force 540 to 1,610 kN; test force is listed for each size and grade. Every row has its own Indus part number in the table below. The lettered dimensions refer to the dimension drawing in the gallery.
Choosing a size
Choose the size to match the chain (diameter × pitch). The table gives the link dimensions with its test and minimum breaking force. It is conveyor and mining machinery chain, rated by test and breaking force; it is not lifting chain and carries no working load limit.
Ordering
Quote the Indus part number from the table, or send the size you need. Each consignment ships with the manufacturer's test certificate; say on the RFQ if your site needs anything more.
Identification
| Parameter | Value |
|---|---|
| Product type | Block connecting link |
| Pattern / standard | DIN 22258-1 (also MT/T 99) |
| Sizes | 6 |
Dimensions
| Parameter | Value |
|---|---|
| Size range | 22 × 86 mm to 38 × 137 mm |
Performance
| Parameter | Value |
|---|---|
| Working load limit | Not rated — conveyor and mining chain, not for lifting |
| Minimum breaking load | 540 to 1,610 kN |
Construction
| Parameter | Value |
|---|---|
| Material | Forged alloy steel, heat treated |
| Finish | Self-colour or painted |
Compliance
| Parameter | Value |
|---|---|
| Certification | Manufacturer's test certificate |
Shipping & lead time
Sizes & part numbers
6 sizes| Indus part no. | Size | Proof load (kN) | Min breaking load (kN) | Material dia. (mm) | Inside width (mm) | Outside width (mm) | Overall length (mm) | Pitch (mm) | C (mm) | r (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| IH-LR-MC-D22258-22X86 | 22 × 86 mm | 456 | 540 | 22 | 24 | 85 | 132 | 86 | 28 | 34 | 1.3 |
| IH-LR-MC-D22258-26X92 | 26 × 92 mm | 637 | 754 | 26 | 29 | 99 | 146 | 92 | 33 | 40 | 2 |
| IH-LR-MC-D22258-30X108 | 30 × 108 mm | 848 | 1,000 | 30 | 33 | 109 | 170 | 108 | 36 | 46 | 3 |
| IH-LR-MC-D22258-34X126 | 34 × 126 mm | 1,090 | 1,290 | 34 | 36 | 121 | 196 | 126 | 41 | 52 | 4.3 |
| IH-LR-MC-D22258-38X126 | 38 × 126 mm | 1,360 | 1,610 | 38 | 40 | 137 | 204 | 126 | 46 | 59 | 5.4 |
| IH-LR-MC-D22258-38X137 | 38 × 137 mm | 1,360 | 1,610 | 38 | 40 | 134 | 215 | 137 | 46 | 59 | 5.8 |
Size — Nominal size as the manufacturer states it. Proof load — Proof or test load the manufacturer applies to the part. A test figure — never a working limit. Min breaking load — Minimum breaking load. A test figure — never lift to it. Material dia. — Diameter of the link or bar stock. Inside width — Inside width of the link or jaw. Outside width — Outside width of the link. Overall length — Overall length. Pitch — Thread pitch or link pitch, as the source heads it. C — Dimension C on the manufacturer dimension drawing. r — Dimension r on the manufacturer dimension drawing. Weight — Weight as the manufacturer publishes it. Ask us for the dimension drawing if you need it stamped.
WLL is the most the part may carry in service. Proof and breaking loads are test figures — never lift to them. Each load is shown in the unit the manufacturer rates the part in, and a size ships with the manufacturer’s test certificate.
This range is published with a breaking load only, not a working load limit. Tell us the duty before using it to lift, and we will confirm a rating or recommend a rated part.
What sizes does the block connecting link for mining chain come in?▾
Is mining chain rated for lifting?▾
Do the parts come with a test certificate?▾
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