Can the jack be converted to double-acting?

Yes, the self-locking hydraulic jack can be customized into a double-acting hydraulic jack according to customer requirements, though the closed height will need to be increased.

What is the minimum order quantity?

The minimum order quantity is 1 Set.

What are the payment terms?

Payment terms include T/T, Western Union, PayPal, and LC.

Single Acting Steel Lock Nut Cylinder Hydraulic Jack with High Quality

Name: Single Acting Steel Lock Nut Cylinder Hydraulic Jack with High Quality
Brand: Zhengzhou Lead Equipment Co., Ltd.
SKU: 786746722

Henan, ChinaZhengzhou Lead Equipment Co., Ltd.

US$100.00-1,500.00

1 Set

Product profile

Customization

Available

Type

Hydraulic Jack

Structure

Hydraulic Jack

Model NO.

CLL

Capacity (Load)

55-1000t

Power Source

Hydraulic

Max Height

301-350mm

Certification

CE, ISO 9001:2000, SGS

Condition

New

Jack Model

Cll Series Lock Nut Hydraulic Cylinder

Tonnage

55-1000t

Stroke

Customized

Body Height

Customized

Transport Package

Standard Export Package

Specification

standard specification and customized

Trademark

Leadcrete

Origin

China

HS Code

84254210

Production Capacity

10000 Sets Per Month

Key features

Self-Locking Safety: Supports heavy loads without oil pressure; nut locks automatically for enhanced safety.

Corrosion Resistance: Specially-made composite material coating provides strong anti-corrosion and low friction.

Underwater Capability: Designed for single-acting operation and can be used underwater with automatic loading return.

Overload Protection: Equipped with a pres-relief valve to prevent overload and protect the cylinder.

Customizable Stroke: Stroke and body height are customizable to meet specific project requirements.

Wide Capacity Range: Available in capacities ranging from 55t to 1000t for various industrial applications.

Multi-Industry Use: Ideal for power, building, mining, railway, bridge, shipbuilding, and machine manufacturing.

Certified Quality: Products are certified with CE, ISO 9001:2000, and SGS standards for reliability.

Company profile

Full CustomizationR&D CapabilitiesCooperated with Fortune 500High Repeat Buyers Choice

Zhengzhou Lead Equipment Co., Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Qingdao Port, Shanghai PortAverage Response Time: ≤1.67h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, ODM and OEM capabilities, with new products reported in the past year and three R&D engineers. It holds ISO9001:2015 and CE certifications, and quality controls include documented inspection, traceability, complaint handling, and corrective-action procedures. Manufacturing facilities cover bending, CNC lathing, drilling, laser cutting, rolling, painting, shot blasting, and related processes, but there is one production line and no continuous batch quantity reconciliation. The supplier has exported for 15 years, with exports accounting for 51%–70% of sales, and has four experienced export staff. Evidence of customer credibility includes cooperation with Fortune 500 companies and an 80%–100% repeat-buyer preference. Financial information is limited to year references and does not substantiate financial strength. Overseas service infrastructure is absent, including warehouses, showrooms, agents or branches, and offline trade-show participation.

Supplier typeThe supplier provides ODM services, OEM services for well-known brands, and has self-operated import/export rights alongside agency export channels. Its export history is stated as 15 years, with exports representing 51%–70% of total sales, indicating an experienced export-oriented manufacturer.

CertificationsThe supplier reports ISO9001:2015 management-system certification and CE product certification. These explicitly demonstrate recognized quality-management and product-compliance certifications.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with records, supporting a documented after-sales response process. However, it reports no overseas warehouse, showroom, overseas agent or branch, so localized overseas service coverage is not evidenced.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and has three R&D engineers. It lacks an available SDK, but the available evidence still explicitly supports product-development and design capability.

Production capacityThe supplier lists facilities for bending, CNC lathing, drilling, laser cutting, linear cutting, painting, rolling, shot blasting and vertical lathing. It has one production line and does not continuously reconcile quantities for each batch or mass production, indicating broad process coverage but a documented production-control limitation.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization and flexible customization. These capabilities are supported by both its R&D/design information and facility profile.

Client casesThe supplier reports OEM cooperation with well-known brands and collaboration with Fortune 500 companies. It also reports an 80%–100% repeat-buyer preference, providing explicit evidence of notable customer experience and retention, although no customer names or project details are supplied.

Product Q&A

Q:Can this hydraulic jack be used underwater?

Yes, the self-locking type hydraulic jack can be used underwater. It is single-acting and returns with loading, with the nut locking automatically to ensure safety.

Q:What is the maximum load capacity?

The hydraulic jack has a load capacity range of 55t to 1000t, covering various models from CLL-55 to CLL-1000 series.

Q:Is the stroke customizable?

Yes, the stroke and body height are customizable. You can specify the required stroke length based on your project needs.

Q:How does the self-locking mechanism work?

The jack supports heavy loads without oil pressure. The nut locks automatically, making the load safer and allowing for long-term support without continuous power.

Q:What certifications does the product have?

The product is certified with CE, ISO 9001:2000, and SGS, ensuring high quality and compliance with international standards.