Used in a wide temperature
and pressure range.
Valve location
High pressure
Low temperature
High temperature
Negative pressure
Normal temperature and low pressure
High temperature
and pressure
and pressure
Normal temperature
and high pressure
and high pressure
Low temperature
and high pressure
and high pressure
Normal temperature
and low pressure
and low pressure
Normal temperature
and negative pressure
and negative pressure
In addition to valve for a variety of special fluids, we have a lineup that can meet a wide variety of requirements, including valve, which is used in areas that require high levels of safety and reliability under laws and regulations.
They are used in a wide range of applications, including air conditioning, water supply and drainage, fire extinguishing systems, and piping lines in building facilities such as office buildings and hotels, as well as production facilities, machine tools, and equipment in various factories.
Valve available in a variety of industrial sectors, including petroleum refining plants, petrochemical plants and generic chemical plants.
It boasts high reliability for fluids with hazards such as high temperature, high pressure, and strong corrosiveness.
It boasts high reliability for fluids with hazards such as high temperature, high pressure, and strong corrosiveness.
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Hydrogen station
Normal temperature and high pressure
Dedicated use
Scene of use
- Unit in the hydrogen station to the hydrogen compression, accumulator, and dispenser (supply port)
Main applicable fluids
- Hydrogen gas for fuel
Body material
- Stainless steel
Point of technology
- We provide valve to support a hydrogen-based society by combining our long-accumulated fluid-control technology with cryogenic technology.
- It can handle the largest 98MPa of ultra-high-pressure hydrogen gases.
- A ball valve for hydrogen stations with a Cv 8 times greater than that of conventional needle valves (an inherent factor that indicates ease of fluid flow) has been developed to enable speedy hydrogen charging.
Cast steel
High temperature and pressure
Industrial use
Scene of use
- Plants in the energy field from petroleum refining to petrochemicals and chemicals, piping lines for thermal power stations, etc.
Main applicable fluids
- Hot gas, high-pressure gas, and flammable gas
Point of technology
- To ensure stable operation against hazardous fluids such as high temperature, high pressure, and flammability, this product is designed to be anti-seizure, anti-rust, and lubricity.
- Disc of the Gate valve has a thorough lapping finish, and is designed to securely engage the guide rib and stem head of the body, and to prevent looseness and misalignment during use.
This feature makes it suitable for both vertical and horizontal piping.
All-welded-type forged steel ball
High temperature and pressure
Dedicated use
Scene of use
- Long-distance gas pipelines, power plants, etc.
Main applicable fluids
- Flammable gas
Body material
- Carbon steel (forged steel)
Point of technology
- This ball valve for pipelines is designed to prevent leakage without fail by adopting a double seal system for all sealing parts including seat sealing part and a fully welded forged steel body without bolts tightening of the longitudinal weld part.
- Designed to ensure safety in the event of an emergency, it includes a mechanism that prevents fires from occurring due to static electricity, and a fire-safe mechanism that prevents excessive leakage to the outside even if seat disappears due to a fire or the like.
Ductile
Low temperature and high pressure
General use
Industrial use
Scene of use
- Air-conditioning and sanitation of building equipment, factory production equipment, machine tools, equipment, etc.
- Combustible gas, poisonous gas lines, etc. (certified high-pressure gas)
Main applicable fluids
- Steam, fuel oil, flammable gas
Point of technology
- Ductile valves are more economical than cast steel/stainless valve.
- This product has a wide operating pressure and temperature range. It can be used not only for general-purpose applications such as building facilities, but also as a valve for high-pressure gas facilities, pressure vessels, and hazardous material storage tanks.
Ultra-low temperature
Low temperature and high pressure
Dedicated use
Scene of use
- LNG plants and receiving terminals, chemical industrial plants, etc.
Main applicable fluids
- LNG (liquefied natural gas) and industrial low-temperature gas
Body material
- Stainless steel, cast steel
Point of technology
- Since the toughness of metals decreases at low temperatures, extremely strict quality control is required.
KITZ offers a lineup of products that meet strict T.T.O. guidelines as standard specifications. - To meet the ultra-low temperatures (-196°C) required for LNG, this product has a characteristic construction, such as a long bonnet that prevents the packing section from being exposed to low temperatures, and a cold insulation plate that prevents rainwater from entering the racking.
Bronze and Brass
Normal temperature and low pressure
General use
Scene of use
- Air-conditioning and sanitation of building equipment, factory production equipment, machine tools, equipment, etc.
Main applicable fluids
- Water, oil and gas (non-flammable)
Point of technology
- In addition to KITZ standards, we have a lineup of products that conform to JIS B 2011 "bronze valves."
- CHRYSANTHEMUM-HANDLER, which is attached to bronze and Brass valve, is represented by KITZ.
- The handles are color-coded for their valve application.
- To ensure that the performance of air-conditioning equipment that evolves in response to environmental concerns functions reliably, we have a large lineup of valve for air-conditioning facilities that automatically operate according to the application.
Cast iron
Normal temperature and low pressure
General use
Scene of use
- Air-conditioning and sanitation of building equipment, factory production equipment, machine tools, equipment, etc.
Main applicable fluids
- Water, oil and gas (non-flammable)
Point of technology
- In addition to KITZ standards, we offer a lineup that is compatible with JIS B 2031 "gray cast iron valve."
- The handle is a design that pursues ease of grasping and operability from an ergonomic perspective.
- Cast steel PFA nylon lining valves have met 0.01mg/L of the Lead infiltration performance standard for water, and can be used as valve for water supply lines.
Water supply and hot water supply
Normal temperature
and low pressure
and low pressure
Dedicated use
General use
Scene of use
- Water supply equipment in building equipment
Main applicable fluids
- Water and hot water (drinking)
Body material
- Lead-free Copper Alloy "KEEPALOY"
Point of technology
- By using KEEPALOY as a main component material, we have kept the volume of lead leached below 0.01mg/L and satisfied the standard for lead leaching in water supply. This is a valve that can be used with peace of mind in water supply and water supply lines.
- "KEEPALOY" substitutes bismuth and selenium for lead in conventional copper alloys, and is the first lead-free copper alloy material approved by the certification review committee of the Quality Certification Center of the Japan Water Works Association in Japan.
Vent valve
Normal temperature and low pressure
Dedicated use
Scene of use
- Wastewater lines for construction equipment and detached houses
Main applicable fluids
- Domestic wastewater
Body material
- Resin
Point of technology
- Most of the air intake ports for drainpipes were installed outdoors, which caused problems such as the release of offensive odors to the outside and the loss of architectural design.
KITZ vent valve is a proprietary structure. Air intake is treated indoors.
High confidentiality prevents offensive odor emissions from drainpipes and saves space, contributing to greater freedom in building design.
Λ port ball
Normal temperature and low pressure
Dedicated use
Scene of use
- Pulp and paper manufacturing process in the paper industry
Main applicable fluids
- Paper pulp liquid, slurry, and viscous body
Body material
- Stainless steel
Point of technology
- Generally, if pulp or other fibers are contained in the fluids, balls valve and other products will become stuck when shut down, making it difficult to maintain them.
In the case of lambda port valves, the metal edges of λ character shapes do not become stuck as they are closed while cutting contaminants, and are suitable for controlling special fluids such as paper and pulp, slurry, and viscous bodies.
Gas consuming equipment
Normal temperature and low pressure
Dedicated use
Scene of use
- Gas meters for household use, gas taps for water heaters and combustion appliances, etc.
Main applicable fluids
- Natural gas/LPG
Body material
- Forged Brass, bronze, ductile iron
Point of technology
- Gas plugs for liquefied petroleum gas (LPG) are required to pass compliance inspections under the Act on Assurance of Safety and Proper Transactions of Liquefied Petroleum Gas.
- Features include a double-lock mechanism that prevents the valve from being opened due to mishandling or misoperation, and a double-seal structure that prevents external leakage.
Sewage
Normal temperature and low pressure
Dedicated use
Scene of use
- Wastewater and sewage treatment facilities
Main applicable fluids
- Sewage sludge, treated water, wastewater, and agricultural water
Body material
- Cast iron, stainless steel
Point of technology
- It is a body design that is resilient to fluid pressure and pipe stress, and is applicable to sewage sludge, treated water, wastewater, and agricultural water.
- Internal and external surfaces paint is environmentally friendly because it does not use lead-or organic solvents, although it has a high degree of anticorrosion resistance.
Fire-fighting equipment
Normal temperature and low pressure
Dedicated use
Scene of use
- Fire extinguishing equipment in building equipment
Main applicable fluids
- Water, carbon dioxide, and fire-extinguishing agents
Body material
- Ductile iron, aluminum, bronze
Point of technology
- Fire-fighting valve must meet the standards of safety and reliability permitted by the Fire Defense Law because their failure to operate properly affects human lives.
- KITZ's valve for fire-fighting facilities is recognized by the Fire-fighting Equipment Safety Service's Fire-fighting Equipment Certification Committee as having performance equal to or greater than valve as stipulated in Article 12-1-6 of the Fire Defense Law Enforcement Regulations and Article 31-5-D.
Water supply
Normal temperature and low pressure
Dedicated use
Scene of use
- Water distribution facilities
Main applicable fluids
- Water supply
Body material
- Ductile iron, stainless steel
Point of technology
- KITZ Group develops and sells water supply valve and equipment from Shimizu Co., Ltd.
- Its superior earthquake resistance and durability make it possible to protect lifelines for a long period of time, such as preventing water leakage in the event of an earthquake.
Stainless steel
Wide range
General use
Industrial use
Scene of use
- Extremely wide range, from construction facilities and machinery to chemicals, petrochemicals, electric power and gas, and food
Main applicable fluids
- Applicable to various fluids
Point of technology
- We have developed a series of products for each domestic and overseas compliance standard, and have a wide range of products, from economical series suitable for general industrial equipment and building equipment to high-grade series that can withstand high corrosion resistance from low temperature, low pressure to high temperature and high pressure.
- The Ball valve (TDZ Series) is compatible with international standards for all types of drive units around the world, and many other models are equipped with pneumatic and electric actuators.
For semiconductor installation
Normal temperature and negative pressure
Dedicated use
Scene of use
- Vacuum system piping in semiconductor manufacturing lines
※In addition to vacuum piping, high-purity gas piping is also available.
Main applicable fluids
- Gas
Body material
- Aluminum alloy, stainless steel
Point of technology
- Reaction-by-products generated in the process of semiconductor/liquid crystal manufacturing equipment adhere to the inside of valve of the vacuum-exhaust line. As a result, valve sealing is not possible, and maintenance has been performed frequently.
KITZ SCT vacuum valve enables heat control within valve to ensure adequate temperature. This allows for long-term sealing and durability to prevent the deposition of reaction byproducts.
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