Our company uses professional technical personnel and advanced production equipment to research and develop products with great concentration so that our products are more efficient and more stable in quality. We can also customize Flanged Plunger Valve, plunger valve, Backflow Protection Valve for our customers. At present, the company's products and solutions are used in various industries. After several years of exploration, our company has ushered in rapid development. Not only has it made great progress in the product line, but also the product application field has expanded rapidly, with users all over the world. A strong professional service team has brought our Backflow Protection Valve to many countries and regions around the world. We are committed to providing a safe and healthy workplace for our employees, and we take pride in our commitment to diversity and inclusion. Our products are known for their superior quality, durability, and reliability. Our company values innovation and creativity in our product development. We actively participate in social welfare undertakings and make unremitting efforts to build a harmonious society together within our capacity. All the staff of our company will continue to carry forward the enterprise spirit of "pragmatic, progressive, responsibility, development", and adhere to the enterprise purpose of "sincere service to users, efforts to return to society".
  • Backflow Protection Valve
    Size Range: DN50 ~ DN600 (NPS 2" ~ 24")
    Pressure Rating: PN10, PN16, PN25; ANSI Class150, Class300
    Temperature Range: -10℃ ~ 350℃ (H-type Metal Hard Seal); -10℃ ~ 120℃ (Y-type Soft...
    read more
  • Flanged Plunger Valve
    Size Range: DN50 ~ DN600 (NPS 2" ~ 24")
    Pressure Rating: PN10, PN16, PN25; ANSI Class150, Class300
    Temperature Range: -10℃ ~ 120℃ (Standard Soft Seal); Max 180℃ with customized...
    read more
  • Wire Mouth Plunger Valve
    Size Range: DN15 ~ DN50 (1/2" ~ 2")
    Pressure Rating: PN16, PN25, PN40, PN64
    Connection Type: Internal Thread (BSP / NPT wire mouth threaded end)
    Body Material: Ductile Iron,...
    read more
  • Angle Plunger Valve
    Size Range: DN15 ~ DN200 (1/2" ~ 8")
    Pressure Rating: PN16, PN25, PN40, PN64
    Temperature Range: ≤180℃ (Ductile Iron Soft Seal); ≤425℃ (Cast Steel Hard Seal); ≤300℃ (Stainless...
    read more
Sandra Thomson star star star star star
The design of this supplier is good, very innovative, and super three-dimensional. It can be seen that the designer is very attentive and awesome.
Charles Sabella star star star star star
When we received your incoming samples, we found the workmanship to be exquisite and that you were able to keep in close communication with us. The collaboration was perfect.
Patti Hill star star star star star
The sellers are active and enthusiastic, and we can feel the professionalism and good cooperative attitude of their employees, which really makes people feel like getting along with good friends.
Shirley Moffett star star star star star
For us, it is very meaningful to cooperate with this manufacturer, because they have a good reputation in the industry and their products are widely praised, so we hope to have a good start.
Crystal Benjamin star star star star star
The package received no damage during the shipping journey and you were always prompt in communicating with us.
Naomi Coward star star star star star
The product is of good quality, exactly as described by the seller, I really like it!
Backflow Preventer vs Check Valve: What’s the Difference?...

WebNov 30, 2021 · A backflow preventer is used in high-risk scenarios and is designed to fully protect potable water with its fail-safe design, whereas a check valve is used in low-risk situations...

Understanding Hydrants and Backflow Protection » …...

WebNov 1, 2022 · This hydrant has an integral backflow protection device consisting of a check valve to prevent backpressure, and an air inlet to prevent backsiphonage. ASSE 1019 devices also have a...

Backflow Preventer And Vacuum Breakers For Sprinkler Systems...

WebA backflow prevention device is attached to the main water line from your home and prevents water from flowing back into your home's pipes. This is to prevent any...

Backflow preventer Valves & Valve Repair at Lowes.com...

Webfor pricing and availability. Cash Acme. Brass Copper Sweat 3/4-in Backflow Preventer. Model # 22762-0000LF. Find My Store. for pricing and availability. FEBCO. 3/4 In Bronze Double Check Valve...

Backflow Preventer vs. Check Valve: What’s the Difference? - QRFS...

WebApr 28, 2020 · Backflow occurs when pressure changes in pipes cause the flow of liquids, gas, or semisolids to reverse in the wrong direction. Check valves are designed to ensure substances in a...

Backflow Preventer Insulation Cover, Backflow Valve …...

WebDec 20, 2021 · Backflow Preventer Insulation Cover, Backflow Valve Cover for Winter Pipe Freeze Protection, Multi-use Waterproof Cover, 5...

Continuous research and development of new Safety Valve For Steam, LPG Safety Valve, Forged Ball Valve, improve product quality, provide perfect after-sales service is the company's business philosophy. Wenzhou Starry Valve Co., Ltd. is one of the most professional backflow protection valve manufacturers and suppliers in China, also supports customized service with low price. Please feel free to buy the newest backflow protection valve made in China here from our factory. Welcome to contact us for pricelist.
Send Inquiry