Frequently Asked Questions
A: Yes, we can make OEM products. Depends on quantities and delivery time.
A: Yes, outside inspectors are welcome to check the goods in our factory once they are ready.
A: All the products are supplied with EN 10204-3.1 certifcation for materials
A: For inverted lubricated plug valve, the maximum pressure we can supply is 2500LB and for sleeve type plug valve, the maximum pressure we can supply is 600LB
A: Sorry, we cannot supply valves with Viton seat, the seat material we adopt is PTFE.
A: Sorry, we supply only plug valves in carbon steel and stainless steel
A: From the technical aspect, we can produce the plug valve in DIN standard. But all our existing molds are with ANSI standard. If you have large quantity of requirement for DIN standard plug valve, we can made mold with DIN standard especially for you. But if the quantity is small, we can only supply plug valves with ANSI face to face standard, but with DIN flanges.
A: Actually, the plug valve we can make is one-piece body and we are not manufacturing the split body plug valve. The split body plug valve is a total different type of plug valve comparing with our one-piece body plug valve and we are unable to fabricate this kind of plug valve.
A: The working temperature for our types of plug valve as follow:
For Sleeved type plug valve: PTFE sleeve shall not exceed 150℃, PPL sleeve shall not exceed 280℃.
For inverted pressure balance lubricated plug valve, the working temperature normally is less then 80℃. But if we use special grease, the temperature can reach to 120℃.
For Lifting type plug valve, Maximum working temperature is 350℃.
A: Our standard painting is polyurethane painting suitable up to 100°C and can be blue or silver colour.
We can use a paint suitable up to 200°C made in special resin with aluminium pigment. It can be silver or other colour (to be defined with you). With extra cost of about 2%.
We can use a paint suitable up to 400°C made in silicon resin. Silver colour. With extra cost of about 5%
A: Our plug valves can only be installed horizontally and cannot be installed in vertical way.

Headquarters and Factory
Anfeng Industrial Park – Dong’ou Industrial Zone, Oubei, Wenzhou
International Sales Office
Via A. Moro, 61 San Donato M.se Milan – Italy
☎ Phone: +39 02 87 166 867
✉ E-mail: export@zhedong-valve.com
✉ E-mail: sales@plugvalvefactory.com