Lightly open and close a 100kgf lid! Extra-large spring-loaded hinges for manhole cover opening and closing.
Supporting women's entry into the production field! A spring-loaded hinge that allows anyone to easily open and close heavy manhole covers weighing 100 kgf, starting from a 10 kgf lid. *Video available.
A super compact spring-loaded hinge, 'SR-10 (waterproof type)', has been added to our products, allowing even women to easily open and close heavy manhole covers, tanks, and reactors used in various factories! The 'SR-10' is equipped with a safety pin to prevent cover tipping, enhancing safety measures. With the addition of this super large size, covers weighing between 6kgf and 100kgf can be easily opened and closed by hand. Since it utilizes a spring, it does not require any electrical, pneumatic, or hydraulic power. 【Features】 ■ Available in six sizes from type 10 to type 90, suitable for covers weighing 6 to 100kg ■ Utilizes a spring, eliminating the need for electrical, pneumatic, or hydraulic power ■ Lifting force can be freely adjusted according to the weight of the cover ■ Safety measures include a cover tipping prevention safety pin and shock absorber ■ Safety and reliability confirmed through repeated opening and closing durability tests and waterproof tests ■ Can be installed on existing equipment! ■ Maintenance for spring case replacement is also available *The price of the YK balancer has been revised for orders received after January 1, 2024.
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【Specifications】 ■Spring Torque ・SR-10: 18–43 (N·m) ■Approximate lid weight that can be supported (kgf): 6–13 ■Approximate lifting force of the lid (N): 21 ■Lid tipping prevention safety pin: Optional ■Main materials ・Spring: Spring steel + surface rust prevention treatment ・Other than spring: Stainless steel ■Product weight (kgf): 3.5 【Notice of YK Balancer Price Revision】 Due to the continued rise in prices of materials and related auxiliary materials since last year, as well as increases in raw material costs, electricity rates, labor costs, and transportation costs, it has become difficult to maintain the current prices. We sincerely regret this and apologize for the inconvenience, but we will be revising prices starting from orders received on January 1, 2024. Price increase details: Approximately 15% of the current selling price Price increase timing: For orders received after January 1, 2024
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【Usage】 ■ Heavy manhole covers for tanks, reaction vessels, and other containers *For more details, please refer to the PDF document or feel free to contact us.
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Our company was established in 1958 and operates as a tank manufacturer specializing in pressure vessels and tanks. For over 50 years since our founding, we have been providing products and engineering services to the pharmaceutical industry, ensuring high quality assurance and validation in accordance with GMP for raw materials and packaging equipment. In the chemical industry as well, we offer reliable products such as autoclaves, heat exchangers, and reaction vessels. Leveraging our accumulated technology and know-how, we will continue to provide optimal systems and products for our customers.