External screw stop valve for ammonia
Product model: J21B, J21F
Nominal diameter: DN15 ~ DN50
Nominal pressure: PN1.6 ~ 4.0MPa
Temperature range: -40℃ ~ 150℃
Applicable medium: ammonia, ammonia liquid
Main material: cast steel, stainless steel, etc
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Product overview
The
sealing surface of the external screw ammonia globe valve is made of
babbitt alloy, tetrafluoroides, nylon, etc. Low temperature resistant
high quality carbon steel or stainless steel body, long service life. It
is installed in the equipment or pipeline of the refrigeration system
to connect and cut off the flow channel of the refrigerant, and can
naturally achieve chemical treatment performance under the environment
of temperature difference amplitude change during use.
Main use
External
screw ammonia stop valve is suitable for opening and closing of
ammonia, ammonia liquid medium pipelines and liquefied gas pipelines
with temperature of -40~+150℃. It is mainly used in freezing,
refrigeration, chemical industry, petroleum, food, smelting, liquefied
gas and other units.
Main contour connection dimensions
|
DN(mm) |
Size(mm) |
|||||
|
L |
D |
D1 |
H |
H1 |
D2 |
|
|
10 |
175 |
14 |
20 |
170 |
190 |
80 |
|
15 |
180 |
20 |
26 |
170 |
150 |
80 |
|
20 |
190 |
23 |
30 |
175 |
155 |
100 |
|
25 |
213 |
28 |
34 |
190 |
165 |
120 |
|
32 |
- |
- |
- |
- |
- |
140 |
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