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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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    Years of
    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

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  • The Importance of Brass Gas Valves in Modern Industrial Society2025-06-13
    The Importance of Brass Gas Valves in Modern Industrial Society
    Brass gas valves serve as regulators in systems that involve the flow of gases such as natural gas, propane, or butane. They are used to start, stop, or adjust the flow of gas, and they ensure that gas is delivered to its intended destination at the correct pressure. In industrial settings, gas valv...
  • What Are the Options for Brass Ball Valves?2025-06-06
    What Are the Options for Brass Ball Valves?
    Brass ball valves are essential components used widely across many industries, including plumbing, HVAC, automotive, and manufacturing. Their primary function is to control the flow of liquids or gases by using a spherical ball with a hole in the center. When the valve handle turns the ball so that ...
  • The Technology Revolution of Brass Mini Ball Valves2025-05-26
    The Technology Revolution of Brass Mini Ball Valves
    A Brass Mini Ball Valve is a compact valve designed to control the flow of fluid through a pipe system. It features a spherical ball with a hole or port through the center that rotates to either block or allow flow. When the valve is open, the hole in the ball aligns with the pipe's passage, allowin...