Closed Spring Loaded Full Bore Type Safety Valve, Size DN25mm ~ DN400mm
Applications
A42Y-C type are used for the equipment and pipeline of the air, petroleum gas, liquid etc medium what the working tempera-true are less than 300℃.
A42Y-P type and A42Y-R type are used for the equipment and pipeline of the quality with corrode medium What the working temperature are less than 200℃. A48Y is be used in equipments and pipelines of steam, air with operation temperature no higher than 350. Take for extra pressure protection devices.
Flange connecting dimensions of comply with Standard series first of JB/T: -94, Comply with Standard Service of JB/T----94 when more than 6.4Mpa.
Nominal Diameter DN (mm) | Dimensions (mm) | |||
d0 | L | L1 | DN’ | |
25 | 15 | 110 | 95 | 32 |
32 | 20 | 115 | 100 | 40 |
40 | 25 | 120 | 110 | 50 |
50 | 32 | 165 | 120 | 65 |
65 | 40 | 160 | 135 | 80 |
80 | 50 | 170 | 135 | 100 |
100 | 65 | 195 | 175 | 125 |
125 | 80 | 210 | 190 | 150 |
150 | 100 | 255 | 230 | 175 |
200 | 125 | 300 | 260 | 250 |
250 | 150 | 350 | 320 | 300 |
300 | 200 | 380 | 350 | 400 |
350 | 300 | 500 | 450 | 500 |
400 | 350 | 500 | 450 | 500 |
Materials for main parts
No. | Name of part | A42Y-C A48Y-C KA42Y-C Materials | A42Y-P/KA42Y-P Materials | A42Y-R Materials | DA42Y-P Materials |
1 | Nozzle | 2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | ZG1Cr18Ni9Ti |
2 | Body | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | LCB/ZG1Cr18Ni9Ti |
3 | Adjusting ring | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
4 | Disc holder | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
5 | Disc | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
6 | Guide sleeve | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
7 | Bonnet | ZG230-450 | ZG230-450 | ZG230-450 | ZG1Cr18Ni9Ti |
8 | Spring | 50CrVA | Coated Teflon | Coated Teflon | 50Cr18Ni9Ti |
9 | Stem | 2Cr13 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
10 | Adjusting bolt | 45 | 2Cr13 | 2Cr13 | 2Cr13 |
11 | Cap | ZG200-400 | ZG200-400 | ZG200-400 | ZG230-450 |
Sealing surface of material | Depositing satellite | ||||
Closed spring loaded full bore type safety valve
Applications
A48Y type are used for the equipment and pipeline of the with steam and air etc medium what the working temperature are less than 350℃. A44Y type are used for the equipment and pipeline of the with air and petroleum gas medium what the working temperature are less than 300℃. Take for extra pressure protection Devices.
Flange connecting dimensions of comply with Standard series first and second of JB/T-94 when the pressure less than 6.4Mpa, comply with Standard series second of JB/T-94 when more than 6.4Mpa.
Nominal Diameter DN (mm) | Dimensions (mm) | |||
d0 | L | L1 | DN′ | |
25 | 15 | 110 | 105 | 32 |
32 | 20 | 130 | 110 | 40 |
40 | 25 | 135 | 120 | 50 |
50 | 32 | 160 | 130 | 65 |
80 | 50 | 175 | 160 | 100 |
100 | 65 | 220 | 200 | 125 |
150 | 100 | 285 | 260 | 200 |
200 | 125 | 350 | 320 | 250 |
Nominal Pressure PN (MPa) | Nominal Diameter DN (mm) | Dimensions (mm) | |||
L | L1 | d0 | DN’ | ||
1.6 2.5 4.0 | 25 | 110 | 95 | 15 | |
32 | 115 | 100 | 20 | 40 | |
40 | 120 | 110 | 25 | 50 | |
50 | 135 | 120 | 32 | 65 | |
65 | 160 | 135 | 40 | ||
80 | 170 | 135 | 50 | 100 | |
100 | 195 | 175 | 65 | 125 | |
150 | 255 | 230 | 100 | 175 | |
200 | 300 | 260 | 125 | 250 | |
6.4 10.0 | 25 | 110 | 105 | 15 | 32 |
32 | 130 | 110 | 20 | 40 | |
40 | 135 | 120 | 25 | 50 | |
50 | 160 | 130 | 32 | 65 | |
80 | 175 | 160 | 50 | 100 | |
100 | 220 | 200 | 65 | 125 | |
150 | 285 | 260 | 100 | 200 | |
Materials for main parts
No. | Name of part | A48Y-C A44Y-C A42Y-C Materials | A44Y-P A42Y-P Materials | A44Y-R A42Y-R Materials |
1 | Body | WCB | ZG1Cr18Ni9Ti | CF8M |
2 | Nozzle | 2Cr13 | 1Cr18Ni9Ti | 316 |
3 | Adjusting ring | ZG2Cr13 | ZG1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
4 | Disc holder | ZG2Cr13 | ZG1Cr18Ni9Ti | 316 |
5 | Disc | 2Cr13 | 1Cr18Ni9Ti | 316 |
6 | Guide sleeve | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
7 | Bonnet | ZG230-450 | ZG230-450 | ZG230-450 |
8 | Spring | 50CrVA | Coated Teflon | Coated Teflon |
9 | Stem | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
10 | Lever | ZG200-400 | ZG200-400 | ZG200-400 |
11 | Adjusting bolt | 45 | 2Cr13 | 2Cr13 |
12 | Cap | ZG200-400 | ZG200-400 | 316 |
Sealing surface of material | Depositing satellite | |||
Shinjo Company is a high tech enterprise specialized in producing various industrial valves. Shinjo strive on providing full package of industrial valve solution to client, focus on industrial valve manufacture, development, sales and services.
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