Heavy Duty Safety Features Reliable 0.5-30t Lifting Applications Manual Chain Hoist Block

• Customization: Available
• After-sales Service: Free Charge of Spare Parts for Defects in Quality
• Warranty: 1year
• Model NO.: HSZ-B
• Application: Gantry Crane, Small Crane
• Type: Chain Hoist
• Sling Type: Chain
• Lift Speed: Operate by Hand
• Maximum Lifting Height: 12m
• Chain Falls: 1,2,3,4,8,12
• Certification: CE, ISO9001:2000
• Condition: New
• Color: Orange
• Capacity: 0.5t-30t
• Chain: G80
• System: Automatic Double Pawl
• Material: Alloy Steel
• Safe Factor: 4:1
• Test: 1.5 Times Overload Test One by One
• Transport Package: Carton or Wooden Box
• Specification: 0.5T-30T
• Trademark: SEAGULL
• Origin: China
• HS Code: 84251900
• Production Capacity: 150000 PCS Per Year
• Package Size: 30.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 30.000kg

Product Description

Company Profile

Company Profile

Changshu Seagull Crane & Hoist Machinery Co., Ltd. was established in 1986. With a history of more than 40 years, Seagull is a well-established manufacturer in the hoist and crane industry.
Seagull specializes in the design, development and production of a full range of products, including wire rope hoists, electric chain hoists, chain blocks, lever blocks, hand winches, monorail trolleys, lifting clamps and other rigging hardware.
The company covers a land area of 18,000 square meters. Our factory is equipped with advanced CNC lathes and other production equipment, as well as comprehensive inspection systems. Seagull guarantees full testing and traceability for every product, from raw materials to finished goods. Maintaining consistent product quality over more than 40 years has always been the core principle of our factory.
Seagull is certified under the ISO 9001 Quality Management System. Products such as manual chain hoists, lever hoists, plate clamps and trolleys have obtained Germany TÜV CE and GS certifications. Meanwhile, we possess strong R&D and innovation capabilities. Our technical team can provide end-to-end solutions tailored to customer requirements, from drawings and mold development to testing and final production.
"Quality, development, credibility, sincerity, cooperation and efficiency" are the core values of Seagull.We sincerely look forward to establishing long-term business partnerships with customers from all over the world. Your inquiries, orders and after-sales service requests will receive our highest attention and prompt response.

WHY CHOOSE US

CUSTOM SERVICE

Support OEM,ODM

We provide comprehensive customization services.
Simply provide your preferred colors, technical specifications, product images, engineering drawings, or other relevant documents. Relying on our mature ODM & OEM manufacturing system, we can tailor product configurations, customize nameplates, logos and branding to create products that reflect your unique identity and strengthen your market competitiveness.

changshu seagull 0. 5t 1t 1.5t 2t 3t 5t 10t 15t 20t 30t chain block chain hoist

Product Description

Features

FEATURES:

Industrial-Grade Strength(Pass 1500 cycles fatigue test)
Safety-Certified Design(TUV CE&GS certified) 
Low Maintenance

Key Features:

Heavy-Duty Durability

0.25T-50T Capacity: Built for demanding industrial lifting tasks.

High-Strength Alloy Steel: Forged gears with exceptional hardness for extended service life.

Advanced Safety & Reliability

Anti-Jump Chain Design: Precision-engineered chain guide grooves prevent chain slippage or jamming.

Reed Pin-Type Safety Hook: Secures loads and prevents accidental disengagement during lifting.

Corrosion Resistance

Anti-Corrosion Surface Treatment: Ensures longevity in harsh environments.

Superb Quenching Process: Enhances material toughness and wear resistance.

Smooth Operation

Abrasion-Resistant Friction Disc: Reduces wear and maintenance needs.

Optimized Gear System: Delivers smooth, reliable performance under heavy loads.

PRODUCTION

TECHNICAL PARAMETER

Model		HSZ-0.5B	HSZ-1B	HSZ-1.5B	HSZ-2BS	HSZ-2BD	HSZ-3B	HSZ-5B	HSZ-10B
Rated load (T)		0.5	1	1.5	2	2	3	5	10
Standard lift (m)		2.5	2.5	2.5	2.5	2.5	3	3	3
Test load (T)		0.75	1.5	2.25	3	3	4.5	7.5	12.5
Efforts required at capacity (N)		262	324	395	380	330	402	430	438
Diameter of load chain (mm)		5	6	7.1	8	6	7.1	10	10
No. of load chains		1	1	1	1	2	2	2	4
Dimensions (mm)	A	127	156	180	181	156	180	230	410
	B	115	131	142	148	131	142	171	171
	C	288	334	415	435	459	536	660	738
Net weight (kg)		7	10.5	15.5	18.5	16	23	39	69
Extra weight per meter of extra lift (kg)		1.5	1.8	2	2.4	2.7	3.2	5.3	9.8

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