Vacuum Negative-Pressure Safety Valve (TFA72W-10R)
| Price: |
Negotiable/Piece |
| Trade Terms: |
FOB,CFR,EXW |
| Min Order: |
1/Piece |
| Pay Type: |
L/C,T/T,D/P,Western Union,Paypal |
Vacuum Negative-Pressure Safety Valve (TFA72W-10R) Tive pressure system with temperature 200. When the netative pressure in the container exceeds the allowable value, the valve will open automatically and absorbs air When the netative pressure in the container reaches the allowable value, the valve will close automatically so as to protect the equipment and the system. It is to be installed in normal non-negative pressure systems. When the discharge valve of the container and system has not opened, which produces the negative pressure, this valve will open TFA72W is applicable in nega-automatically.
| NO. | Name of part | TFA72W-P Materials | TFA72W-R Materials |
| 1 | Body | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 2 | Seat | 1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 3 | Adjusting ring | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | Bonnet | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 5 | Stem | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 6 | Spring | 50CrVA | 50CrVA Coated Teflon |
| Working temperature | 200 |
| Suitable medium | TFA72W-10P Nitric acid etc. medium |
| TFA72W-10R Acetic acid etc. medium |
| Explanation of materials for main parts |
Nominal diameter
DN(mm) | Dimensions |
| D | D 1 | D 2 | Z- d | b | f 1 | H |
| 15 | 95 | 65 | 45 | 4-14 | 14 | 2 | 110 |
| 20 | 105 | 75 | 55 | 4-14 | 16 | 2 | 130 |
| 25 | 115 | 85 | 65 | 4-14 | 16 | 2 | 150 |
| 32 | 140 | 100 | 78 | 4-18 | 18 | 2 | 180 |
| 40 | 150 | 110 | 85 | 4-18 | 18 | 3 | 200 |
| 50 | 165 | 125 | 100 | 4-18 | 20 | 3 | 221 |
| 80 | 200 | 160 | 135 | 4-18 | 22 | 3 | 245 |
| 100 | 220 | 180 | 155 | 8-18 | 22 | 3 | 253 |
| 125 | 250 | 210 | 185 | 8-18 | 24 | 3 | 280 |
| 150 | 285 | 240 | 210 | 8-23 | 24 | 3 | 329 |
| 200 | 340 | 295 | 265 | 8-23 | 26 | 3 | 377 |
| 250 | 395 | 350 | 320 | 12-23 | 28 | 3 | 440 |
| Prod Model: |
TFA72W-10R |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Type: |
Spring Type |
Tianjin U-ideal Instrument Co., Ltd is a professional supplier of level instruments, flow meters, gates valves, pressure control valves, pneumatic and electric control ball valves, check valves, globe valve, pressure reducing and sustaining valve and steam traps and strainers from year 2006, are one of the repute' S manufactures in China, We have been cooperated with many famous companies all over the world, and quantities are satisfy all of our customers. Our products have passed the CE, GS, ISO9001 approvals.
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