Waterproof type "YK Balancer SR-110" for heavy lids exceeding 100kgf.

Newly developed! The top-tier size that can accommodate heavy lids ranging from 105 to 133 Kgf. Equipped with a standard safety pin to prevent lid collapse, and shock absorbers can also be optionally installed.

last updated Jun 20, 2025

For those struggling with pressure vessels and tank manufacturing! *We will provide materials introducing manufacturing examples.

Leave the manufacturing of first-class pressure vessels, tanks, and peripheral equipment to us! We provide comprehensive support for design, manufacturing, plant construction, and after-sales maintenance.

last updated Aug 22, 2025

Manhole cover opening and closing spring hinge "YK Balancer S3-45 type"

Lightly open and close lids weighing approximately 22 to 50 kgf! The movable hinge and shock absorber mounting base are integrated! Delivery times have been shortened, and prices have become more affordable.

last updated Jun 17, 2025

Spring-loaded hinge "YK Balancer SR-10 Waterproof Type"

Helpful for safe operations and health management! Spring-loaded hinges that allow easy opening and closing of manhole covers.

last updated Jun 28, 2023

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.

last updated Jun 20, 2025

Possible from small units under 1m² to about 300m² - "Heat Exchanger"

We provide a consistent process from tank manufacturing to the production of shell and tube heat exchangers. Replacement can also be done in a short period!

last updated May 09, 2018

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!

last updated Jun 28, 2023

Manhole cover opening and closing hinge with spring 'YK Balancer'

A spring-loaded hinge that allows anyone to easily open and close a heavy manhole cover weighing 100 kgf! No power required, so it can be opened and closed even during a power outage!

last updated Jun 28, 2023

Comprehensive Catalog of Tanks: Includes stirring tanks, storage tanks, pressure vessels, and many more!

We are currently offering the comprehensive tank catalog from Yashima Kako, which allows for customized design and manufacturing from individual tanks to complete sets of surrounding equipment based on your needs!

last updated Aug 29, 2018

The lid opening and closing operation is surprisingly easy! Spring-loaded hinge 'YK Balancer'

Contributes to safety measures and energy saving! Spring-loaded hinges with improved safety due to lid tilt prevention. *Waterproof specifications included.

last updated Jun 28, 2023

Spring-loaded hinge "YK Balancer"

The lid opening and closing operation becomes surprisingly easy! This is an original brand product from Yashima Kako.

last updated Jun 28, 2023

Yazawa Chemical Machinery Co., Ltd. Business Introduction

We meet the needs for chemical products, food, and environmental equipment!

last updated Mar 19, 2018

Spring-loaded hinge "YK Balancer SR2-90 Waterproof Type"

A spring-loaded hinge that allows for easy opening and closing of a manhole cover that is more compact and lightweight than our conventional products (S-90, SR-90)!

last updated Oct 24, 2024

Hinged with spring "YK Balancer S3-45 Standard Type"

Helpful for safe operations and health management! Spring-loaded hinges that allow for easy opening and closing of manhole covers.

last updated Jun 28, 2023

Spring-loaded hinge "YK Balancer SR3-45 Waterproof Type"

Helps with safe operations and health management! Spring-loaded hinges that allow for easy opening and closing of manhole covers.

last updated Jun 28, 2023

Hinged with spring "YK Balancer S2-60 Standard Type"

Helpful for safe operations and health management! Spring-loaded hinges that allow for easy opening and closing of manhole covers.

last updated Jun 28, 2023

Spring-loaded hinge "YK Balancer SR2-60 Waterproof Type"

Helpful for safe operations and health management! Spring-loaded hinges that allow easy opening and closing of manhole covers.

last updated Jun 28, 2023

Spring-loaded hinge "YK Balancer SR-75 Waterproof Type"

Helpful for safe operations and health management! Spring-loaded hinges that allow easy opening and closing of manhole covers.

last updated Jun 28, 2023

Spring-loaded hinge "YK Balancer SR3-20 Waterproof Type"

Helpful for safe operations and health management! Spring-loaded hinges that allow for easy opening and closing of manhole covers.

last updated Jun 28, 2023

Stirring tanks (for reaction, concentration, and mixing) tailored to properties and uses.

Design and manufacture tanks that match the properties of the materials to be stirred!

last updated Mar 19, 2018

Suggestions for tanks tailored to usage and purpose.

Custom design and manufacturing tailored to your needs, from standalone tanks to complete sets of surrounding equipment!

last updated Aug 29, 2018

Filtration tank

We design and manufacture tanks suitable for the required precision! We will respond with a complete support system.

last updated May 22, 2025

Drying tank (dryer)

We have a wealth of manufacturing experience! Leave the design and production of drying tanks to us!

last updated May 22, 2025

First-class pressure vessel

We have a wealth of manufacturing experience! Leave the design and production of Class I pressure vessels to us!

last updated May 22, 2025

Heat exchanger

The replacement of heat exchangers can be achieved in a short period! We design and manufacture them together with the tank.

last updated May 22, 2025

General-purpose (storage) tank

Leave the design and manufacturing of general-purpose (storage) tanks tailored to your needs to us!

last updated May 22, 2025