Sribs Model Saj40 Saj30 Speed Governor Brake Pm Hoist Safety Device for Tower Crane Construction Machinery Parts
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Product Highlights
- Advanced Safety Mechanism: Centrifugal speed limit and progressive braking effectively prevent cage dropping accidents.
- Wide Application Range: Adapts to various construction hoists including gear rack type material hoists and working platforms.
- Customization Support: Supports OEM orders and develops non-standard safety protection devices according to user needs.
- International Certification: Products are CE and ISO9001:2000 certified, reaching international advanced levels.
- Professional Manufacturer: 15 years manufacturing experience with a dedicated technician team and zero accident record.
- Global Export Experience: Exported to over 45 countries with fast response and professional after-sales service.
- 1-Year Warranty: Comprehensive 1-year warranty coverage with video support for after-sales service.
- High Quality Inspection: 100% inspection of finished products including visual and function checks before shipment.
Product Attributes
- Customization
- Available
- After-sales Service
- Video Support
- Warranty
- 1 Year
- Type
- Safety Device
- Application
- Hoisting Machinery
- Certification
- CE, ISO9001: 2000
- Condition
- New
- Usage
- for Construction Hoist
- Brake Force
- Progressive Brake Force
- Grade of Bolts
- 8.8
- Specification of Bolts
- M14/M16
- Tighten Torque
- 125~140/180~200
- Weight
- 25-50kg
- Transport Package
- Wooden Cases
- Specification
- SAJ40-1.2, SAJ50-1.2, SAJ30-1.2
- Trademark
- XINGDOU
- Origin
- China
- HS Code
- 84313900
- Production Capacity
- 1000sets / Year
- Package Size
- 30.00cm * 40.00cm * 40.00cm
- Package Gross Weight
- 30.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Sribs Model Saj40 Saj30 Speed Governor Brake Pm Hoist Safety Device for Tower Crane Construction Machinery Parts
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Product Description
Product description:
SAJ serials safety device is the most important apparatus in the pinion and rack builders' hoist, which can prevent the cage running over speed, and reduce the cage from dropping accident effectively.The safety devices reached the international advanced level of similar products. After the improvement and development, SAJ serials safety device has been developed for the full range of products to adapt to all kinds of construction hoist such as gear rack type material hoist and working platform.
Our company can also develop various non-standard safety protection devices and equipment according to the user's needs, and provide various safety technical consultation and solutions.
SAJ type safety device is mainly composed of a gear shaft, Centrifugal speed limit mechanism, Brake mechanism, Loading mechanism and Limit switch ,etc. The brake gear of safety device engage with the rack of the hoist rail frame. Speed limit mechanism detects the running speed of hoist. When the hoist speed reached safety device tripping speed, the centrifugal block in the speed limit mechanism hits the brake mechanism to produce the braking force.In the process of braking, the brake mechanism is subjected to the loading mechanism to increase the braking force gradually until the protection target stops falling. In the process of braking, the limit switch will cut off the downlink power supply for the protection target.
| Parameter | |||||
| Model | W(Kg) | t(mm) | i | m | z |
| SAJ30-1.2 | 35 | 1.5 | 1 | 8 | 15 |
| SAJ40-1.2 | 50 | 1.5 | 1 | 8 | 15 |
| SAJ40-1.4 | 50 | 1.5 | 1 | 8 | 15 |
| SAJ40-2.0 | 50 | 1.5 | 1 | 8 | 12 |
| SAJ50-1.2 | 50 | 1.5 | 1 | 8 | 15 |
| SAJ50-2.0 | 50 | 1.5 | 1 | 8 | 12 |
Shandong Xingdou Intelligent Co., Ltd is a professionalmanufacturer and exporter for Construction hoist and spare parts
1. 15 years more manufacturing experience and 9 Years exporting experiences,2. Great technician Team with innovation and improvement alibilties
3. Zero accident record and good feedback from enduser
4. Best price offered with special discount, high quality you can enjoy.
5. Fast response with sales and after-sale service
6. Welcome agent or distributor all over the world for cooperation partnership.

We Have exported construction hosit safety device for more than 45 countries,you can get high quality products and professional service from us.Any question from you is welcome and will get reply within 12 hours.
1. Q: MOQ?
A: 1 SET
2. Q: Trade term?
A: TT or LC
3. Q: OEM order?
A: Yes, we support it
4. Q: Transport way?
A: Air transport or as your requirement
5. Q: After Service?
A: Yes
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR255587". Items marked "" are certified.
Company Profile
Shandong Xingdou Intelligent Equipment Co., Ltd. Was established in 2007, as a professional manufacturer of construction machinery, the company has national A-level manufacturing qualifications. It's professional research & Development team, dedicated manufacturing and service team are committed to providing professional, safe and reliable vertical lifting solutions of passengers and goods for global users.
Our main products are building hoist, industrial hoist, mast climbing platform, suspended platform and retractable loading platform. Xingdou is an ISO9000, CE, TUV and COC certified supplier. Our products are distributed in more than 50 countries and regions around the world, such as South America, Europe, Middle East, South Asia, they are mainly used at building and bridge construction sites, power plants, mining& Chemical industries, as well as other sites require high-rise vertical transportation. With high quality products and 18 years exporting experience, Our products and service have received high praises by customers at home and abroad.
Since its beginning, Xingdou has insisted on continuous innovation and stable development around the customer needs. It has developed into a national high-tech enterprise with more than 100 patents and software copyrights. Through cooperation with many international well-known brands and projects, we have become one of the leading industrial brands in China. Shandong Xingdou is willing to be your most loyal partner!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Eastern Industrial Park, Zhangqiu City, Jinan, Shandong, China
-
Plant Area
- 13661 square meters
-
Number of Employees
- 52
-
Registered Capital
- 50,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, EXW, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Construction Elevator, Construction Hoist, Industrial Lift, Suspended Platform, Building Cradle, Building Hoist, Wall Gondola, Mast Climbing Platform, Retractable Loading Platform
-
Production Lines
- 3
-
Production Machines
- Automatic welding machine, Bending machine, Drilling machine, Laser cutting machine, Metal band sawing machine, Painting room, Plate shearing machine, Pressing machine
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 7 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2007-04-26
-
Export Year
- 15 Years
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast, Africa, Domestic
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001, ISO45001:2018
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- What is the minimum order quantity?
- The minimum order quantity is 1 set.
- What are the accepted trade terms?
- We accept TT (Telegraphic Transfer) or LC (Letter of Credit) as payment terms.
- Do you support OEM orders?
- Yes, we support OEM orders and can develop non-standard devices according to user needs.
- What are the transportation options?
- We offer air transport or shipping methods as per your specific requirements.
- What after-sales service is provided?
- We provide video support and technical consultation to ensure customer satisfaction.
- What certifications do your products have?
- Our safety devices are certified with CE and ISO9001:2000 standards.
- How long is the warranty period?
- We provide a 1-year warranty for our safety devices.
- What is the lead time for production?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
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