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- Cromox CPK Grade 60 Pump Lifting Chain
Cromox® Pump Chain CPK - Grade 60 Stainless Steel Pump Lifting Chain
The Cromox pump chain CPK is a premium grade 60 pump chain designed for the safe lifting and lowering of submersible pumps in corrosive and demanding environments. Manufactured from high-strength stainless steel, the Cromox stainless steel pump chain delivers excellent corrosion resistance, long service life and full compliance with lifting regulations.
Ideal for wastewater treatment plants, pumping stations and water industry applications, the Cromox pump lifting chain is engineered for reliability where standard carbon steel chains are unsuitable.
Cromox Pump Lifting Chain
The Cromox pump chain is manufactured from stainless steel Grade 60, combining high working load limits with superior resistance to corrosion. Each Cromox pump lifting chain is supplied as a certified lifting assembly and features lifting points (master links) positioned at regular intervals to allow controlled and indexed lifting of submersible pumps.
Every Cromox stainless steel pump chain is proof load tested and fully traceable, making it suitable for permanent installation in aggressive environments such as sewage and wastewater systems.
Available Chain Sizes & Working Load Limits (WLL)
| Type | WLL | Chain (mm) | Master link (mm) | Joining link (mm) |
|---|---|---|---|---|
| CPK-3 | 200kg | 3 x 14 | 5 x 42 x 22 | - |
| CPK-4 | 400kg | 4 x 16 | 8 x 54 x 30 | 5 x 22 x 9 |
| CPK-5 | 630kg | 5 x 15 | 10 x 80 x 50 | 6 x 26 x 13 |
| CPK-6 | 900kg | 6 x 18 | 13 x 110 x 60 | 8 x 35 x 19 |
| CPK-7 | 1.25t | 7 x 21 | 13 x 110 x 60 | 8 x 35 x 19 |
| CPK-8 | 1.55t | 8 x 24 | 13 x 110 x 60 | 10 x 44 x 25 |
| CPK-9 | 2t | 9 x 27 | 16 x 110 x 60 | 13 x 54 x 25 |
| CPK-10 | 2.45t | 10 x 30 | 16 x 110 x 60 | 13 x 54 x 25 |
| CPK-13 | 3.85t | 13 x 39 | 22 x 160 x 90 | 16 x 70 x 34 |
| CPK-16 | 6t | 16 x 48 | 22 x 160 x 90 | 18 x 85 x 40 |
| CPX-18* | 8t | 18 x 54 | 26 x 180 x 100 | 22 x 115 x 50 |
| CPX-22*,** | 11t | 22 x 66 | 36 x 260 x 140 | 26 x 140 x 65 |
| CPX-26*,** | 15t | 26 x 78 | 45 x 320 x 175 | 32 x 140 x 70 |

Custom fittings and bespoke versions on request.
Standard length = ~1,000 mm, other lengths on request
L1 = approx. 1 m + one additional master link, L2 = approx. 1 m
*AISI 318LN Duplex
**L1 = approx. 2 m + one additional master link, L2 = approx. 2 m
Customised Version with 2 Extension Legs and Shackles

Key Features of the Grade 60 Pump Chain
High-Strength Stainless Steel Construction
- Manufactured from Grade 60 stainless steel
- Excellent resistance to corrosion, chemicals and wastewater environments
- Designed for long-term submerged use
- Bright polished finish for the highest level of corrosion protection
- Chains are based on DIN 5687 and EN818-1
Certified Cromox Pump Chain for Lifting
- Supplied as a complete, certified Cromox pump lifting chain
- All chain assemblies are proof load tested to 2.5 x WLL
- Minimum safety factor of 4:1
- According to the Machinery Directive 2006/42/EC and LEEA 069-2 specification for stainless steel submersible pump lifting chains.
- Cromox grade 6 pump chains will support written schemes of extended examination periods in accordance with LEEA 069-1 Guidance document.
Indexed Lifting Points
- Master links fitted at approximately 1-metre intervals (see L1 and L2 dimensions above). 22mm and 26mm are approx. 2 metres between master links.
- Allows controlled lifting and accurate pump positioning
- Reduces handling risks during installation and maintenance
Full Traceability & Compliance
- Batch marked chain and components
- Supplied with certification for lifting operations
- Manufactured in accordance with recognised lifting standards
- Chain links are embossed with the manufacturer’s mark and
batch number every 20 links or 1m, whichever is the lesser
6-sided Identification Tag
Fixed to every sling; each tag has the following information: -
- Identification of the manufacturer
- Grade and material
- Chain size and number of sling-legs.
- I.D. Number or asset code
- Year of manufacture
- CE marked.
Mechanical Properties
- Breaking stress 630 N/mm2
- Breaking elongation 25%
- Stress at MTF (Manufacturing Test Force) 400N/mm2
- Stress at WLL (Working Load Limit) 160 N/mm2
- Minimum Factor of Safety 4:1
Typical Applications for Cromox Pump Chains
The Cromox stainless steel pump chain is commonly used in:
- Submersible pump lifting and lowering
- Wastewater and sewage treatment plants
- Pumping stations and waterworks
- Industrial fluid handling systems
- Permanent installations requiring a corrosion-resistant grade 60 pump chain
Standards & Certification
- Stainless steel manufactured to EN material standards
- Complies with Machinery Directive 2006/42/EC
- Manufactured in line with LEEA guidance for stainless steel pump lifting chains
- Supplied with full lifting certification
Why Choose a Cromox Stainless Steel Pump Chain?
A Cromox pump chain offers superior performance where corrosion resistance and safety are essential. Unlike carbon steel alternatives, the Cromox pump lifting chain maintains its strength and integrity during prolonged exposure to wastewater and aggressive media, reducing maintenance, downtime and replacement costs.
Pricing
Availability
5mm, 7mm, 9mm, 10mm, 13mm and 16mm diameter chains are readily available. Other sizes may vary. Please contact us for more information.
Cromox® Pump Chain CPK - Grade 60 Stainless Steel Pump Lifting Chain
The Cromox pump chain CPK is a premium grade 60 pump chain designed for the safe lifting and lowering of submersible pumps in corrosive and demanding environments. Manufactured from high-strength stainless steel, the Cromox stainless steel pump chain delivers excellent corrosion resistance, long service life and full compliance with lifting regulations.
Ideal for wastewater treatment plants, pumping stations and water industry applications, the Cromox pump lifting chain is engineered for reliability where standard carbon steel chains are unsuitable.
Cromox Pump Lifting Chain
The Cromox pump chain is manufactured from stainless steel Grade 60, combining high working load limits with superior resistance to corrosion. Each Cromox pump lifting chain is supplied as a certified lifting assembly and features lifting points (master links) positioned at regular intervals to allow controlled and indexed lifting of submersible pumps.
Every Cromox stainless steel pump chain is proof load tested and fully traceable, making it suitable for permanent installation in aggressive environments such as sewage and wastewater systems.
Available Chain Sizes & Working Load Limits (WLL)
| Type | WLL | Chain (mm) | Master link (mm) | Joining link (mm) |
|---|---|---|---|---|
| CPK-3 | 200kg | 3 x 14 | 5 x 42 x 22 | - |
| CPK-4 | 400kg | 4 x 16 | 8 x 54 x 30 | 5 x 22 x 9 |
| CPK-5 | 630kg | 5 x 15 | 10 x 80 x 50 | 6 x 26 x 13 |
| CPK-6 | 900kg | 6 x 18 | 13 x 110 x 60 | 8 x 35 x 19 |
| CPK-7 | 1.25t | 7 x 21 | 13 x 110 x 60 | 8 x 35 x 19 |
| CPK-8 | 1.55t | 8 x 24 | 13 x 110 x 60 | 10 x 44 x 25 |
| CPK-9 | 2t | 9 x 27 | 16 x 110 x 60 | 13 x 54 x 25 |
| CPK-10 | 2.45t | 10 x 30 | 16 x 110 x 60 | 13 x 54 x 25 |
| CPK-13 | 3.85t | 13 x 39 | 22 x 160 x 90 | 16 x 70 x 34 |
| CPK-16 | 6t | 16 x 48 | 22 x 160 x 90 | 18 x 85 x 40 |
| CPX-18* | 8t | 18 x 54 | 26 x 180 x 100 | 22 x 115 x 50 |
| CPX-22*,** | 11t | 22 x 66 | 36 x 260 x 140 | 26 x 140 x 65 |
| CPX-26*,** | 15t | 26 x 78 | 45 x 320 x 175 | 32 x 140 x 70 |

Custom fittings and bespoke versions on request.
Standard length = ~1,000 mm, other lengths on request
L1 = approx. 1 m + one additional master link, L2 = approx. 1 m
*AISI 318LN Duplex
**L1 = approx. 2 m + one additional master link, L2 = approx. 2 m
Customised Version with 2 Extension Legs and Shackles

Key Features of the Grade 60 Pump Chain
High-Strength Stainless Steel Construction
- Manufactured from Grade 60 stainless steel
- Excellent resistance to corrosion, chemicals and wastewater environments
- Designed for long-term submerged use
- Bright polished finish for the highest level of corrosion protection
- Chains are based on DIN 5687 and EN818-1
Certified Cromox Pump Chain for Lifting
- Supplied as a complete, certified Cromox pump lifting chain
- All chain assemblies are proof load tested to 2.5 x WLL
- Minimum safety factor of 4:1
- According to the Machinery Directive 2006/42/EC and LEEA 069-2 specification for stainless steel submersible pump lifting chains.
- Cromox grade 6 pump chains will support written schemes of extended examination periods in accordance with LEEA 069-1 Guidance document.
Indexed Lifting Points
- Master links fitted at approximately 1-metre intervals (see L1 and L2 dimensions above). 22mm and 26mm are approx. 2 metres between master links.
- Allows controlled lifting and accurate pump positioning
- Reduces handling risks during installation and maintenance
Full Traceability & Compliance
- Batch marked chain and components
- Supplied with certification for lifting operations
- Manufactured in accordance with recognised lifting standards
- Chain links are embossed with the manufacturer’s mark and
batch number every 20 links or 1m, whichever is the lesser
6-sided Identification Tag
Fixed to every sling; each tag has the following information: -
- Identification of the manufacturer
- Grade and material
- Chain size and number of sling-legs.
- I.D. Number or asset code
- Year of manufacture
- CE marked.
Mechanical Properties
- Breaking stress 630 N/mm2
- Breaking elongation 25%
- Stress at MTF (Manufacturing Test Force) 400N/mm2
- Stress at WLL (Working Load Limit) 160 N/mm2
- Minimum Factor of Safety 4:1
Typical Applications for Cromox Pump Chains
The Cromox stainless steel pump chain is commonly used in:
- Submersible pump lifting and lowering
- Wastewater and sewage treatment plants
- Pumping stations and waterworks
- Industrial fluid handling systems
- Permanent installations requiring a corrosion-resistant grade 60 pump chain
Standards & Certification
- Stainless steel manufactured to EN material standards
- Complies with Machinery Directive 2006/42/EC
- Manufactured in line with LEEA guidance for stainless steel pump lifting chains
- Supplied with full lifting certification
Why Choose a Cromox Stainless Steel Pump Chain?
A Cromox pump chain offers superior performance where corrosion resistance and safety are essential. Unlike carbon steel alternatives, the Cromox pump lifting chain maintains its strength and integrity during prolonged exposure to wastewater and aggressive media, reducing maintenance, downtime and replacement costs.
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