A spring-loaded hinge that can easily open and close even a heavy manhole cover weighing 100 kgf!

The "YK Balancer," with enhanced safety and reliability, allows you to freely adjust the lifting power according to the weight of the lid!

The "YK Balancer" is a spring-loaded hinge that allows for easy manual opening and closing of heavy manhole covers used for tanks, reactors, and vessels. 【Features of the YK Balancer】 ■ Available in six sizes from Type 10 to Type 90, suitable for covers weighing between 6 to 100 kg ■ No need for electric, pneumatic, or hydraulic power as it utilizes springs ■ Lifting force can be freely adjusted according to the weight of the cover ■ Can be installed on existing equipment ■ Safety and reliability confirmed through repeated opening and closing durability tests and waterproof tests ■ Safety pin to prevent cover tipping 　※1 and shock absorber 　※2 enhance safety and reliability further ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝　A video is available showing how easily a woman can open and close a heavy cover equipped with the YK Balancer S1-45 type (standard type)! ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ For more details, please refer to the catalog or feel free to contact us.

Hachiyu Chemical Machinery Co., Ltd. Website

basic information

【Lineup】 ■ YK Balancer 10 ・S-10 Standard Type ・SR-10 Waterproof Type ■ YK Balancer 20 ・S-20 Standard Type ・SR-20 Waterproof Type ■ YK Balancer 45 ・S-45 Standard Type ・SR-45 Waterproof Type ■ YK Balancer 60 ・S-60 Standard Type ・SR-60 Waterproof Type ■ YK Balancer 75 ・S-75 Standard Type ・SR-75 Waterproof Type ■ YK Balancer 90 ・S-90 Standard Type ・SR-90 Waterproof Type *For more details, please refer to the catalog or feel free to contact us.