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Title:Pneumatic regulating butterfly valve
  • Address:Yahe West Road, Kungyang Town, Pinyang County, Wenzhou City,Zhejiang Province ,China
  • Code:325400
  • Phone:0577-63883000
一、An overview of the
Pneumatic regulating butterfly valve is a kind of metal sealing performance, it has good characteristic and excellent sealing performance, can for the long-term good tightness; Pneumatic butterfly valve is composed of pneumatic actuators and metal triple eccentric butterfly valve, it with locator, source treatment components, accept 4-20 madc control signal, proportional control of pipe body; Because the three eccentric structure of product adopts unique design, the sealing surface of elliptic shape design, between disc and seat sealing adopts mechanical seal method, but rather through function sealing medium pressure difference, leak sealing butterfly valve sealing performance reaches the bidirectional zero, so the butterfly valve used in the working condition of high containment requirements. The metal sealing butterfly valve is widely used in petroleum, chemical, chemical fertilizer, pesticide, metallurgy, power stations, textile and other industrial fields.
二、The characteristics of

1, metal butterfly valve structure simple, compact, small volume, convenient installation;

2, sealing structure is unique, between the butterfly plate and the valve seat adopts mechanical seal method, zero leakage two-way sealing requirements;

3, using different materials of metal valve seat can meet the requirements of different application conditions;

4, sealing surface using carbide surfacing materials, provide product sealing surface wear resistance, extend valve life cycle;

5, in the middle of the open and position, the butterfly plate and valve seat is not contact, friction small, butterfly valve operating torque is low;

6, the reasonable structure of the valve to make it applicable to - 200 ℃ ~ + 600 ℃ temperature range.

7, in the process of maintenance, do not need to remove the butterfly plate and the valve shaft, seat can overall replacement.

三、Main technical parameters of specification

Standard: JB/T8527-1997;

Structure length standard: GB/T12221-2005, GB/T15188.2-2005;

Inspection standard: GB/T13927-2008;

LAN connection standard: GB/T9113, GB/T9115, JB/T79;

According to pressure the PN: PN10, PN16, PN25;

DN say size: 80-1400;

As temperature: 200 ℃ ~ + 600 ℃;

四、Main parts material

Part name

The material

The valve body

WCB、WC6、ZG25、CF8、CF3M

Butterfly plate

WCB、WC6、ZG25、CF8、CF3M

The valve stem

2Cr13、17-4PH、SS304、SS316

Seal seat

SS304、SS316

The packing gland

WCB、ZG25、CF8

packing

PTFE、graphite

五、Shape dimension figure
 
 

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