| 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 |
| 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 |
