Dual-port exhaust valve QB2

Shanghai gold Yeah Valve Co., Ltd. sells dual-port exhaust valve QB2 [], is currently the largest "vent" online sales service providers. The company integrates high-quality dual-port exhaust valve manufacturer, to provide pre-sale, sale and one-stop service. Company perennial with large cash reserves exhaust valves, valve selection to provide users with the principles of the role, structure, size, installation instructions, data downloads. QB2 principle role of dual-port exhaust valve: When the water injection pipe, plug head stuck in the open position, a lot of exhaust, when the air is drained, water valve, the float is lifted, the drive plugs into a closed position , stop a lot of exhaust, when the normal delivery water pipe and, if a small amount of air accumulated in the valve to a considerable degree, water level dropped valve, float fall, when the air is discharged from the hole, when pumps stop, the tube Flow empty or when a negative pressure, then plug in the case of rapid opening tube, intake air, make sure the pipeline completely. Dual-port exhaust valve QB2 performance characteristics: ① can eliminate the gas pipeline, reducing resistance energy conservation; ② when the pipe negative pressure, the product can quickly and automatically to prevent the intake air pipe rupture; ③ exhaust capability is common exhaust holes valve times; ④ float bracket of stainless steel, long life, safe and reliable. ? H displacement specification 50 75 100 150 200 m3 / h 4-173 85-352 14-597 22-904 27-114 dual-port exhaust valve QB2 technical parameters:? Nominal diameter DN (mm) 50 (2 ") to 200 (8") Nominal pressure PN (Mpa) 1.0 ~ 1.6 temperature (℃) -10 ~ 85 Suitable medium water dual-port exhaust valve QB2 parts material: Part name Material properties Body Cast iron, steel, stainless steel Float stainless steel dual-port exhaust valve QB2 use particulars: ① The exhaust valve must be installed in the highest point of the pipe or pipes at the level; ② recommended to install shut-off valve at the bottom of the exhaust valve, to prepare for repair or replacement; ③ dual-port row QB2 valve installation manual download. Shanghai gold Yeah Valve Co., Ltd. Contact: Tel: 021-51875832 Contact phone: 18019239053 Contact QQ: 2058989009 Contact: Mr. Lin E-mail: famen168@126.com Enterprise website: www.famen163.com