WHAT WE OFFER

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

JL-B1069

Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
JL-B1715B

Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
JL-B1171

Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
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

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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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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.

2025-12-26

What Materials Are Used in Stainless Steel Manifolds?

Stainless steel manifolds are widely used in industrial, commercial, and residential fluid systems. They serve as central distribution points, directing the flow of water, gas, or other fluids to multiple outlets. The choice of materials in stainless steel manifolds affects their durability, corrosi...
2025-12-19

How Many Types of Brass Strainer Valves Are There?

Y-Strainer: Angled Debris Removal The Y-strainer is named for its distinctive "Y" shape, which allows the strainer element to be positioned at an angle relative to the main valve body. Structure: It consists of a main pipeline body with a side branch that houses a mesh or perforated screen. The ang...
2025-12-12

When Did the Brass Check Valve Appear and Develop?

Early Appearance and Initial Use Check valves have a long history, dating back to the early industrial era when simple mechanical devices were needed to prevent reverse flow in pipes. Early check valves were often made of cast iron or bronze and were manually operated or relied on gravity to mainta...