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02

2019-01

Warmly celebrate the successful completion of quanzhou yongchun fengji plumbing equipment co., LTD. Website!

  Warmly celebrate the successful completion of quanzhou yongchun fengji plumbing equipment co., LTD. Website! Welcome new and old customers to drive guidance, negotiate cooperation!

02

2019-01

How to Operation and Maintenance during Valve Operation

  (1) keep the valve external and active parts clean, protect the integrity of the valve paint. Valve surface, stem and stem nut trapezoidal thread, stem nut and support sliding parts and gear, worm gear and worm gear and other parts easy to deposit a lot of dust, oil and media residue and other dirt, …

02

2019-01

Structural characteristics of butterfly valve

  1, the butterfly valve has simple structure, small volume, light weight, material consumption province, small installation size, small quick, 90 ° reciprocating rotary switch, low driving torque, etc, used for truncation, connected, regulate medium in pipe has good flow control characteristics and c…

02

2019-01

Application occasion of butterfly valve

  Because the butterfly valve in the pipeline pressure loss is relatively large. Approximately three times the gate valve, butterfly valves are used for flow regulation. Therefore, when selecting the butterfly valve, the pipeline system should be fully considered the impact of pressure loss, but also c…

02

2019-01

Importance of Safety Valves

  In order to prevent serious accidents, adding safety valve is a common safety method, which plays a vital role in enterprise safety. The safety valve itself is limited by the service life and the impact of the environment in the process of use will cause damage, so it is necessary to timely find prob…

02

2019-01

Function and Principle of Automatic Exhaust Valve

Introduction to automatic exhaust valve:During the operation of heating system and hvac system, the gas released by water during heating (such as hydrogen, oxygen, etc.) will bring many adverse effects, which will damage the system and reduce the thermal effect. If these gases cannot be discharged in…

02

2019-01

Differentiation and Use of Various Valves

Temperature control valve --- installed in residential and public buildings on the heating radiator. The temperature control valve can set the room temperature according to the users different requirements. Ball valve ------ -- driven by the stem, and rotating around the axis of the stem movement of …

02

2019-01

Application Principle of Flange Butterfly Valve

Flanged butterfly valve in full open, with a small flow resistance, when open between about 15o to 70o, and sensitive flow control, so in the field of regulation of the mouth, butterfly valve is very common, and will gradually become the dominant valve. The movement of the butterfly valve plate with …

02

2019-01

Valve knowledge

Valve is equipped in the fluid pipeline system as a diversion, cut-off, throttling, check, diversion or overflow, switch, adjustment, control direction, pressure and other USES, from simple gate valve, ball valve to complex automatic control valve system, a considerable number of types and specificat…

02

2019-01

Principle of Water Heating Exhaust Valve

The working principle of automatic exhaust valveGeneral of exhaust valve is installed vertically, the body has something like a piston, the piston is designed, and the weight of the when airflow pass, because the density of air is small, and air jacking force is small, cant completely to the piston t…