These safety valves are used for the equipment and pipeline of the poisonous gas, qu-ality with corrode medium what the working temperature are less than 200℃. Take for extrapressure protection devices. Flange connectiong dimensions of comply with Standard seriesfirst of JB/T……-94 when less than 4MPa, comply with Standard series
twice of JB/T….....-94when more than 4MPa.
WA42Y-16C |
WA42Y-40P |
WA42Y-16P |
WA42Y-64 |
WA42Y-16R |
WA42Y-64P |
WA42Y-25 |
WA42Y-64R |
WA42Y-25P |
WA42Y-100 |
WA42Y-25R |
WA42Y-100P |
WA42Y-40 |
WA42Y-100R |
WA42Y-40R |
NO. |
Name of parl |
WA42Y-C |
WA42Y-P Malerials |
WA42Y-R Materials |
1 |
Body |
WCB |
ZG1Cr18Ni9Ti,304 |
CF8M |
2 |
Nozzle |
2Cr13 |
1Cr18Ni9Ti |
316 |
3 |
Adjusting ring |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
4 |
Disc |
2Cr13 |
1Cr18Ni9Ti |
316 |
5 |
Disc holder |
2Cr13 |
1Cr18Ni9Ti |
316 |
6 |
Bellows |
304 |
304 |
316 |
7 |
Guide sleeve |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
8 |
Bonnet |
ZG230-450 |
ZG230-450 |
ZG230-450 |
9 |
Spring |
50CrVA |
50CrVA Coated Teflon |
50CrVA Coated Teflon |
Sealing surface of material |

