Air valve - Company Ranking(8 companies in total)

Last Updated：Jun 17, 2026 Aggregation Period:May 20, 2026〜Jun 16, 2026
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Company Name	Company information	Featured Products
Company Name	Company information	Product Image, Product Name, Price Range	overview	Application/Performance example
清水工業	Address Shiga/ number of employees 40 Business Activities - Manufacturing and sales of valves for water supply and sewage Various products conforming to Japan Water Works Association (JWWA) standard... Key Partners	Airlight Rapid Air Valve (Stainless Steel) Other	Nominal diameter: 25mm, 75mm, 100mm, 150mm Specifications: Compliant with JWWA 137 standards Maximum operating pressure: Type 2: 0.75MPa...	It is used for water supply piping, agricultural water, and general piping nationwide.
		RS-3 Type Rapid Air Valve (Stainless Steel) for Freeze Damage Prevention Other	Nominal diameter: 25mm Specifications: JWWA 137 compliant product Maximum operating pressure: Type 2: 0.75MPa, Type 3: 1.0MPa	It is used in water supply piping, agricultural water, and general piping throughout the country.
		Rapid air valve Other	Nominal Diameter: 25–200mm Type: Rapid Specifications: JWWA 137 compliant Maximum Operating Pressure: Class 2: 0.75MPa, Class 3: 1.0MP...	It is used in water supply piping, agricultural water, and general piping throughout the country.
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