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Ethylene-Specific Regulator

2024/6/6


  1、Product Details

Product Specifications（L） 40L 50L
Pressure（MPa） ≈13.5±0.5
 ≈20±0.5
 Valve 丨 Threaded Outlet
 px-32QF-2丨CGA580 px-32QF-2丨CGA580
Refill Quantity（m³/kg） ≈5.4m³
 ≈10m³
  More Specifications Available Upon Request!
  Widely used in military,scientific research,petrochemicals,refrigeration,medical,semiconductor,pipeline leak detection,superconductivity experiments,metal fabrication,precision welding,optoelectronic product manufacturing,and more.


  2、Structural characteristics
  (1) Single-stage pressure reducing structure
  (2) Using metal film sheets
  (3) Mother thread NPT1/4
  (4) Equipped with double-layer filter screen inside
  (5) Pressure gauge accuracy level 2.5
  (6) Can be installed using panels or gas cylinders

  3、Technical parameters
  Maximum intake pressure:15MPa
  Maximum exhaust pressure:1.5MPa
  Internal and external leakage rate:＜5X10-9Pa.m³/s
   Pressure stabilization characteristics:The gas source pressure is within the range of 5-15MPa,and the change in outlet pressure is not greater than7x10-3MPa for every 1MPa change in inlet pressure.
   Flow characteristics:When the inlet pressure is greater than 2MPa,adjust the flow rate within the rated range,and the output pressure change shall not exceed±6%of the upper limit measured by the output pressure gauge.
  Operating environment:Temperature range of-20℃to+60℃,relative humidity not exceeding 85%.
  The YQJ(G)series products are only suitable for non corrosive gases.The YQJ(G)F series product series is suitable for corrosive gases.


  4、Main component materials

YQJ（G）
Brass single-stage pressure regulator series

YQJ（G）
Stainless steel single-stage pressure regulator series

Upper cover: brass Upper cover:321
Main body: brass Main body: 316L
diaphragm: 316L diaphragm: 316L
Valve seat: brass
 Valve seat: 316L
Valve stem components: Nylon Valve stem component: Polyvinylidene fluoride
Net weight: 1.18KG Net weight : 1.21KG


  5、Outline dimension diagram



  6、Flow characteristic curve graph


  7、Flow coefficient

Product model
 Discharge coefficient
YQJ(G)(F)-1
 0.01016
YQJ(G)(F)-2
 0.00102
YQJ(G)(F)-4
 0.00338
YQJ(G)(F)-5
 0.01016
YQJ(G)(F)-6
 0.01016
YQJ(G)(F)-7
 0.01355

  8、Optional pressure range

Product model
 High voltage gauge range
 Low voltage gauge range
 Maximum input pressure
 Maximum output pressure
 Rated flow rate
YQJ(G)(F)-1
 25MPa
 0.6MPa 15MPa
 0.45MPa
 0.6m³/h
YQJ(G)(F)-2
 0.16MPa
 0.12MPa 0.06m³/h
YQJ(G)(F)-4
 0.25MPa
 0.18MPa 0.2m³/h
YQJ(G)(F)-5
 1.0MPa
 0.75MPa 0.6m³/h
YQJ(G)(F)-6
 1.6MPa
 1.2MPa 0.6m³/h
YQJ(G)(F)-7
 2.5MPa
 1.5MPa 0.8m³/h


  9、Selection Guide

Series
Name
 Installation
hole
 Mother
material
 Hole
selection
 High voltage
gauge
 Low voltage
gauge
 Input
interface
 Output
interface
 option
YQJ

None:
Installation
hole

None:
brass

None:

K V

00:

None

00:
None

00:
NPT1/4(F)

00:
NPT1/4(F)

00:
None


G：
With installation
holes

F：

316L

b：

K IV

01：

25MPa

01：

0.6MPa

01：

G5/8RH(F)

01：

φ3 enclosure

01：

Needle valve




C：

K III

02：

30MPa

02：

0.16MPa

02:

 G5/8LH(F)

02：

1/8 enclosure

02：

Flowmeter





Other forms are optional

04：

0.25MPa

03：

W21.8-14RH(F)

03：

1/4 enclosure







05：

1MPa

04：

W21.8-14LH(F)

04：

φ6 enclosure







Other forms are optional
 Other forms are optional
 Other forms are optional



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