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QJ Series Flanged Carbon Steel, Stainless Steel Pneumatic Globe Valve〈Open/Closed or Regulating Type〉
Product documents:
-
File size: 2.3MB
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Product Details
Features
01. Mounted at any angle, keep cylinder position indicator vertically upward&installed horizontally which may extend life span
02. Emergency manual device (operating mechanism) optional. Air source pressure: 3~8bar
03. No viscosity limit and the flow direction of medium should be consistent with the arrow direction on the valve body
04. Valve body material: Cast steel WCB (code: C), SS304 (code: B)
SS316 (code: R), SS316L (code: L)
05. Nominal pressure: Normal---16bar, CL150Lb, special---25～250bar, Cl300～1500Lb
06. Control mode: QJ11---single acting NC QJ12---single acting NO QJ2---double acting control
QJ114X---single acting NC regulating type QJ124X---single acting NO regulating type
QJ24X---double acting regulating type
Note: X=1 refers to the regulating type 4～20mA. DC input and no signal output (normal)
X=2 refers to the regulating type 4～20mA. DC input and output (special)
07. Special configuration: QJ-&---with emergency manual device
QJ-◆---with position limit switch (valve position signal output)
Table of Applicable Medium Temp. Range for Common Valve Body Materials and Seals
Note: *represents the temperature of conventional applicable medium.
Component and Material Table
Note: □---nominal diameter.
Structure Diagram
Application Code
Note:
As shown in the diagram
DN＜100, the medium flows from left to right
DN≥100, the medium flows from right to left
Dimension
Note: The flange is manufactured according to JB/T79-1994 standard by default, sealing surface of PN16bar, PN25bar is raised face, PN40bar
is female face and can also be manufactured according to the standards specified by users, such as GB/T9124, HG/T20592, ANSI, JIS,
DIN and other standards.
Keywords： QJ Series Flanged Carbon Steel, Stainless Steel Pneumatic Globe Valve〈Open/Closed or Regulating Type〉
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