Ethylene-Specific Regulator
2024/6/6
1. Product details
| Product Specifications (L) | 40L | 50L |
| Pressure (MPa) |
≈13.5±0.5 |
≈20±0.5 |
| Valve | Thread outlet | px-32QF-2丨CGA580 |
px-32QF-2丨CGA580 |
| Reload quantity (m³/kg） |
≈5.4m³ |
≈10m³ |
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More specifications can be customized!Widely used in military industry, scientific research, petrochemical, refrigeration, medical, semiconductor, pipeline leakage detection, superconducting experiments, metal manufacturing, high-precision welding, optoelectronic product production, etc. |
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2. Structural characteristics
(1) Single-stage pressure reducing structure
(2) Use metal diaphragm
(3) Maternal thread NPT1/4
(4) A double-layer filter is installed
(5) Pressure gauge accuracy level 2.5
(6) Can be installed using panels or gas cylinders
3. Technical parameters
Maximum intake pressure: 15MPa
Maximum air outlet pressure: 1.5MPa
Internal and external leakage rate:＜5X10-9Pa.m³/s
Voltage Regulatory Characteristics:The gas source pressure is within the range of 5-15MPa. For every 1MPa change in the inlet pressure, the outlet pressure will not change much more than7x10-3MPa。
Flow characteristics:When the inlet pressure is greater than 2MPa, the adjustment flow rate changes within the rated range, and the output pressure changes are no more than ±6% of the upper limit of the output pressure gauge measurement.
Usage environment:Temperature is -20℃~+60℃, and the relative humidity is not greater than 85%.
YQJ (G) series products are only suitable for non-corrosive gases. YQJ (G)F series product series is suitable for corrosive gases.
4. Main components
Yqj （g）
Stainless steel single-stage pressure regulator series
Top cover: brass
Top cover: 321
Main body: brass
Subject: 316L
Diaphragm: 316L
Diaphragm: 316L
Valve seat: brass
Valve seat: 316L
Stem parts: Nylon
Stem parts:Polychlorotrifluoroethylene
Product net weight: 1.18KG
Product net weight: 1.21KG
5. Dimension drawing
six,Flow characteristic curve diagram
7. Flow coefficient
Product model
Flow 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
| model | High pressure gauge range |
Low pressure gauge range |
Maximum input pressure | Maximum output pressure | Rated flow |
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Yqj (g) (f) -1 |
25MPa |
0.6pa |
15MPa |
0.45MPA |
0.6m³/h |
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Yqj (g) (f) -2 |
0.16MPa |
0.12MPa | 0.06m³/h | ||
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Yqj (g) (f) -4 |
0.25MPa |
0.18MPa | 0.2m³/h | ||
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Yqj (g) (f) -5 |
1.0MPa |
0.75MPa | 0.6m³/h | ||
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Yqj (g) (f) -6 |
1.6pump |
1.2MPa | 0.6m³/h | ||
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Yqj (g) (f) -7 |
2.5MPa |
1.5MPa | 0.8m³/h |
9. Selection Guide
| Series name | Installation hole | Maternal material | Hole position selection | High voltage gauges | Low voltage meter | Input interface | Output interface | Options |
| YQJ |
none： No mounting holes |
none： brass |
none： K v |
00: none |
00： none |
00:NPT1 / 4 (F) |
00:NPT1 / 4 (F) |
00:none |
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G： With mounting hole |
F： 316L |
b： K IV |
01： 25MPa |
01： 0.6pa |
01： G5/8RH(F) |
01： φ3 attachment |
01： Needle valve |
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C： K III |
02： 30MPa |
02： 0.16MPa |
02: G5/8LH(F) |
02： 1/8 Attachment |
02： Flowmeter |
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Other forms are available |
04： 0.25MPa |
03： W21.8-14RH(F) |
03： 1/4 Attachment |
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05： 1MPA |
04： W21.8-14LH(F) |
04： φ6 attachment |
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Other forms are available |
Other forms are available |
Other forms are available |
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