OK VALVE wishes Chinese people around the world a happy Mid-Autumn Festival

Installation instructions for butterfly valve piping 1. Weld the flange to the pipe and cool to ambient temperature before mounting the valve to the flange. Otherwise, the high temperature generated by welding will affect the performance of the elastic seat. 2. Edges of welded flanges must be lathed to smooth surface to avoid damage and elastic seat during valve installation. The flange surface must be completely free from damage and deformation, remove all dirt, dust and foreign matter, and avoid liquid leakage of valve and flange in

I. Working principle of check valve Check valve refers to relying on the flow of the medium itself and automatically open and close the disc, used to prevent the medium backflow valve, also known as check valve, one-way valve, reverse flow valve and back pressure valve. Check valve belongs to a kind of automatic valve, its main function is to prevent the medium backflow, prevent the pump and the drive motor reverse, and the container

What is the difference between open stem gate valves and dark stem gate valves? Gate valves can be divided into: 1, open rod gate valve: Open stem gate valve: The stem nut is on the cover or bracket. When opening and closing the gate plate, the stem can be lifted or lowered by rotating the stem nut. This structu

36 Inch Lug Butterfly Valve Torque Test Ok Valve is a valve factory with more than 20 years of export experience,Ok Valve makes detailed records and quality assurance commitment for each order of customers.  Ok Valve adopts advanced static torque testing instruments to create special torq

Butterfly Valves are easy and quick to open. A right angle rotation of the handle provides a complete closure or opening of the butterfly valve. Large Butterfly Valves are usually comprised of a gearbox, where the hand wheel by gears is joined to the stem. This gives ease to the operation of the Butterfly Valve, but at the expense of speed.Smit Valves have a short circular body, soft seats, shaft bearings, and a stuffing box. The constructio

Knife Gate Valves are commonly used in liquid, slurry and powder applications that include pulp and paper, bulk handling, mining, food, beverage, chemical and wastewater treatment designed for mainly on-off and isolation.

Open:→ Hebei Hongbang Valve New Catalogue(Check On)

Hebei Hongbang Valve Co.,Ltd <OK VALVE FACTORY> Our company participated in Aquatech Amsterdam 2019 on 05-11-2019-08-11-2019 Our main products: ''WAFER BUTTERFLY VALVE'' ''LUG BUTTERFLY VALVE''

June 3rd-June 5th, 2019  National Exhibition and Convention Center (Shanghai) 

June 3rd-June 5th, 2019  National Exhibition and Convention Center (Shanghai) 

官方打假公告： 下面这个网站是个人私自冒用我公司名称及地址，和我们宏邦无任何联系，我已经电话警告他尽快撤掉，特此提醒大家，谢谢。 Official anti-counterfeiting announcement: The following website is a personal fake use of our company name and address, and we have no contact with Hongbang, I have phoned him to warn him to withdraw as soon as possible, I would like to remind you, thank you.

官方打假公告： 下面这个网站是个人私自冒用我公司名称及地址，和我们宏邦无任何联系，我已经电话警告他尽快撤掉，特此提醒大家，谢谢。 Official anti-counterfeiting announcement: The following website is a personal fake use of our company name and address, and we have no contact with Hongbang, I have phoned him to warn him to withdraw as soon as possible, I would like to remind you, thank you.

官方打假通告：该网站与我宏邦阀门公司无任何关系，伪造我公司地址并发送邮件给我公司客户，此等可耻行径令人作呕； 特此提醒尊敬的客户朋友：请勿相信！ Official anti-counterfeiting notices: This website has nothing to do with our Hongbang Valve Company. It is disgusting to forge our address and send email to our customers.  I would like to remind our respectful customer friends: Don't believe it!