The A21H type valve is an exceptional choice for equipment or pipelines handling media such as water, air, and steam. It operates flawlessly at temperatures up to 200 ºC, ensuring reliable performance and safety.
The A27Y valve serves as a robust overpressure protection device for equipment and pipelines dealing with corrosive media. It is engineered to operate effectively at temperatures up to 200 ºC, providing unmatched protection.
The A28H (Y) type valve is designed for versatile applications in equipment or pipelines that use air, steam, water, nitrogen, and hydrogen mixtures. It guarantees optimal performance at working temperatures up to 200 ºC.
The A28Y-P/R valve is specifically built for corrosive media applications, ensuring outstanding functionality at working temperatures up to 200 ºC.
This valve acts as a premier overpressure protection device for both primary and backup pipelines, offering superior safety and reliability.
Onn Valve Co., Ltd. provides comprehensive after-sales services including routine maintenance, troubleshooting training, remote or on-site technical guidance for valve review, installation, and operation. We ensure technical quality consultations are answered within 24 hours. Our products come with an 18-month warranty period, conforming to national standards. We offer a 24-hour technical support hotline and various forms of after-sales service for free during the warranty period. Additionally, we provide lifelong after-sales service and limited free wearing parts for 18 months.
Audited Supplier 
){kind=link}