Backflow Preventers(Low Pressure)
ZECO Valve Group, founded in 1991 with focus on manufacturing china water valve, including control valves, balancing valves, gate valve, butterfly valves, check valves, and air valves. Valve sizing 1/2” to 88”, rating BS 10bar through BS 25bar, served covering buildings & construction, waterworks, fire protection and many other fields. ZECO has excellent product quality and sound managing system.
Basic information of Backflow Preventers(Low Pressure)
This valve can strictly prevent the occurrence of backflow pollution, is a safe device to ensure the hygiene of drinking water.
Features of Backflow Preventers(Low Pressure)
- ；2. Discharge control device and outlet are designed without obstacles to reduce fluid resistance；3. More sensitive check effect, low opening pressure；4. The top is provided with a lifting ring for easy installation.
Installation and Commissioning of Backflow Preventers(Low Pressure)
Butterfly or gate valves should be installed on both sides of the low pressure backflow preventer. Filters should be installed at the inlet and expansion or soft joint should be installed at the outlet. The discharge outlet of the drainer shall be additionally installed with the outlet pipe, which shall be downward directed to a place greater than or equal to 100mm above the intake port of the collector well. No valves shall be allowed in the middle. For specific use, please consult ZECO Valve Group.
Product scope, Standards & Materials of Backflow Preventers(Low Pressure)
Size Range: 2"~12"Pressure Rating: 10bar ~ 25barFace to Face Dimensions: AMSE B16.10, EN558-1Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2Coating: Fusion Bonded Epoxy Coating Inspection and Test: ISO 5208 / EN 12226-2
在线联系供应商
Other supplier products
 |
Butterfly Valve | ZECO is a professional rubber lined butterfly valve manufacturersin China and butterfly valve is main products series of ZECO valve. The rubber lin... |
 |
Cast Steel Gate Valve | Description of Cast Steel Gate Valve:ZECO cast steel gate valve is in controlled under the quality assurance system of production and manufacturing... |
 |
WCB Valve – WCB Gate Valve | Description As one ofgate valve manufacturers china, ZECO Valve Group is certified to API 600 and API 6D and we offer competitive quotations as we... |
 |
Gate Valve | ZECO is one of the professionalgate valve manufacturing companies, specializing in the production of wedge gate valve and through conduit gate valv... |
 |
Strainer & Dirt Separator | Strainers, dirt separators and backflow preventers are designed to prevent impurities from entering the specified pipe section. Comparing these thr... |
Same products
 |
Dry Ash Gate Valve | 卖方: China Valve Industry Co., Ltd. | The dry ash gate valve is designed for both inlet and outlet pipelines. It features... |
 |
China factory High temperature double head bolt 2""-8UN Steam Turbine RSV N for power station | 卖方: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD | "China factory High temperature double head bolt 2""-8UN Steam Turbine RSV N for power stationOur... |
 |
Male Thread Nickel Plated Brass Butterfly Ball Valve | 卖方: Zhejiang Huibo Valve Technology Co., Ltd. | Male Thread Nickel Plated Brass Butterfly Ball Valve Material: Brass Body, Brass Bonnet, brass ba... |
 |
4800030000 For daewoo,evobus,mercedes-benz,paccar foot brake valve | 卖方: Zhuji Oubote Auto Parts Co., Ltd. | 4800030000 foot brake valve are attached to the brake pedal. This isthe valve that actually start... |
 |
Aluminum Gas Valve | 卖方: Dong Guan ABYDA Gas Valve Co., Ltd | Product Specification:1. Raw Material: Al Alloy + solid brass + Mild steel;2. Applicable for LPG,... |
