| A21F-16C | A21W-16P | KA21Y16C |
| A21H-16C | A21W-40P | KA21Y-16P |
| A21H-40 | A21F-40P | A21Y-16R |
| A21H-64 | A21W-64P | A21Y-40R |
| A21Y-100 | A21W-100P | A21Y-64R |
| A21H-160 | A21W-160P | A21Y-100R |
| A21Y-160R |
A21F、A21H-C type are used for the equip-ment and pipeline of the air, ammonia, petroleumgas, etc.medium what the working temperature areless than 200℃.A21W-P, R type are used for theequipment and pipeline of the quality with corrodegas and liquid medium what the working temper-ature are less than 200℃.Take for extrapressure
protection devices.KA21Y type are used for liquefied petroleumgas what the working temperature are less than100℃.
No. |
Name of part |
KA21Y-C Materials |
A21W-P/A21F-P KA21Y-P Materials |
|
1 |
Union |
20 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
2 |
Union nut |
35 |
2Cr13 |
1Cr18Ni9Ti |
3 |
Nozzle |
35 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
4 |
Body |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
5 |
Disc |
2Cr13/2Cr13+PTFE |
1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE |
1Cr18Ni12Mo2Ti |
6 |
Spring washer |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
7 |
Spring |
50CrVA |
50CrVA Coated Teflon |
50CrVA Coated Teflon |
8 |
Locking nut |
Q235-A |
2Cr13 |
1Cr18Ni9Ti |
9 |
Spring guide |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
10 |
Adjusting nut |
Q235-A |
2Cr13 |
1Cr18Ni12Mo2Ti |
Sealing surface of material |
Y” Co Depositing stellite, “H” Depositing D507, “W” body |
|||
Type |
Nominal Diameter |
do |
d |
D₀ |
M |
d₁ |
D₁ |
L |
L₁ |
≈H |
KA21-16C |
15 |
12 |
15 |
20 |
M27×1.5 |
G1/2" |
30 |
35 |
76 |
66 |
20 |
16 |
20 |
25 |
M33×1.5 |
G 3/4" |
34 |
40 |
87 |
68 |
|
25 |
18 |
25 |
31 |
M39×1.5 |
G1" |
40 |
50 |
100 |
105 |
|
A21Y-64 |
15 |
10 |
15 |
25 |
M39×1.5 |
G1 |
44 |
50 |
100 |
66 |
20 |
10 |
20 |
31 |
M39×1.5 |
G1” |
44 |
50 |
100 |
68 |
|
25 |
12 |
25 |
31 |
M39×1.5 |
G1 |
44 |
50 |
100 |
105 |
|
A21W-160 |
15 |
8 |
20 |
/ |
M24×2 |
G1" |
44 |
52 |
100 |
261 |
20 |
8 |
25 |
/ |
M33×2 |
G1" |
44 |
52 |
100 |
261 |
|
25 |
8 |
28 |
/ |
M36×2 |
G1 |
44 |
52 |
100 |
285 |
