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WHAT WE OFFER

We are a specialized manufacturer of brass valves, HVAC plumbing fixtures, piping and industrial applications.

  • JL-B1069 BRASS BALL VALVE
    JL-B1069
    Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
  • JL-B1715A JL-B1715B BRASS BALL VALVE
    JL-B1715B
    Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
  • JL-B1171 JL-B11611 BRASS BALL VALVE
    JL-B1171
    Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
  • JL-B1181 BRASS BALL VALVE
    JL-B1181
    Medium temperature:-20C≤t≤110°CMaximum working pressure : 1Mpa(10bar)Working medium:water,non-corrosive liquid
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ABOUT DOVA

Zhejiang Jiafu HVAC Co., Ltd. is located in the Yuhuan Valve Base, China. We are a specialized manufacturer of brass valves, HVAC plumbing fixtures, pipes, and products for industrial applications.

Since our establishment in 2004, we have received a good reputation for our commitment to R&D, production, service, and OEM solutions with 20 years of experience in this field.
2004

"FROM THIS YEAR

Zhejiang Jiafu HVAC Co., Ltd.
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    experience

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    Current
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ENTERPRISE EQUIPMENT
According to the ISO 9001:2015 management system, we have full control over the process from incoming materials, forging, machining, and assembly to shipment. Our valves have passed CE, EN331, WRAS, and ACS certifications and are completely leak-tested during the production process. With the help of our in-house testing laboratory, we inspect valve quality professionally and efficiently.
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Zhejiang Jiafu HVAC Co., Ltd.
DOVA VALVE SERIES

We are a specialized manufacturer of brass valves, HVAc plumbing fixtures, pipes and industrial applications.

LATEST UPDATES

Provide you with the latest enterprise and industry news.

  • How a Brass Strainer Valve Protects Plumbing Systems2026-05-08
    How a Brass Strainer Valve Protects Plumbing Systems
    Pumps that wear out faster than expected. Valves that stick or fail to seal cleanly. Flow meters that give inconsistent readings. In each case, the damage often traces back to the same source: solid particles circulating through the system that should have been stopped before reaching sensitive equi...
  • Understanding the 2-Inch Brass Check Valve: Features and Applications2026-05-01
    Understanding the 2-Inch Brass Check Valve: Features and Applications
    The 2-inch brass check valve is a vital component used in fluid and gas systems to control the direction of flow. This valve automatically prevents reverse flow, ensuring that the fluid only flows in one direction. Check valves are commonly used in various industries such as plumbing, oil and gas, a...
  • What types of 1/2-inch brass radiator valves exist, and how do they differ?2026-04-24
    What types of 1/2-inch brass radiator valves exist, and how do they differ?
    Manual wheelhead valves – These valves use a threaded spindle connected to a rubber or metal disc. Turning the handwheel raises or lowers the disc against the valve seat, regulating flow from fully closed (0% flow) to fully open (100% flow). They have no automatic temperature control. Closing torque...