Low Temperature check valve
Negotiable /Unit
Min.Order:1 Unit
Zhejiang ChengYi Valve Co.,Ltd.
Executive Standard of Low Temperature check valve |
ltem | Design and Manufacture |
Face to face |
Flange standard |
Inspection and Test |
Standard |
API600 | ANSI B16.10 | ANSI B16.5 | API598 |
Material for Low Temperature check valve's main parts |
Name of parts | BodyBonnet Disc Hinge |
Double-end nut |
Double-end | Sealing face |
Packing |
Materials |
A352-LCB A352-LC3 A351-CFB |
A182-F304 | Cr-Mo | Co-based alloy |
Polytetrafluo- roethylene |
Specification of Low Temperature check valve |
Type |
PN(Lb) Nominal Pressure |
Test pressure atmormal temperature |
(MPa) Test pressure of se aling at low temperature |
Woking temperature vand applicable medium | |||
Shell |
Sealing | ||||||
DH44Y-150(lb) | 150 | 3.0 | 0.6 | 0.6 | Ammonia,liquid nitrogen,prorane |
Ethylene, Carbon dioxide |
-Methane Liquefied natural gas |
DH44Y-300(lb) | 300 | 7.5 | 0.6 | 0.6 | |||
DH44Y-600(lb) | 600 | 15.0 | 0.6 | 0.6 |
Main external and connecting dimensions |
NPS Nominal diameter |
in | 11/2 | 2 | 21/2 | 3 | 4 | 6 | 8 | 10 | 12 | 14 |
Mm | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 |
DH44Y-150Lb | ||||||||||
L | 165 | 203 | 216 | 241 | 292 | 356 | 495 | 622 | 698 | 787 |
H | 154 | 175 | 177 | 191 | 222 | 325 | 383 | 448 | 540 | 560 |
kg | 14 | 18 | 22 | 30 | 46 | 82 | 116 | 158 | 238 | 324 |
DH44Y-300Lb | ||||||||||
L | 241 | 267 | 292 | 318 | 356 | 445 | 533 | 622 | 711 | 124 |
H | 172 | 198 | 204 | 222 | 277 | 346 | 412 | 465 | 562 | |
kg | 18 | 26 | 34 | 45 | 64 | 105 | 167 | 272 | 375 |