Antistatic Device Flanged Float Valve / Petroleum Stainless Steel
Float Valve
Flanged Float Valve Brief introduction:
The ball valve is designed and manufactured according well to ISO
standard .
Floating ball when small caliber, and fixed ball when large
caliber.
It has fire protection structure and antistatic device.
Widely used for petroleum,chemistry,water treatment industries.
Flanged Float Valve Main part & material
Part name | Material |
body | WCB,ZG1Cr18Ni9Ti,CF8 |
ball | 1Cr18Ni9Ti 304,316 |
stem | 1Cr18Ni9Ti 304,316 |
seal ring | Polytetrafluoroethlene(PTFE) |
packing | Polytetrafluoroethlene(PTFE) |
DN | G | B | L | H | A |
6 | 1/4" | 8 | 65 | 57 | 98 |
10 | 3/8" | 10 | 65 | 57 | 98 |
15 | 1/2" | 15 | 75 | 68 | 125 |
20 | 3/4" | 20 | 85 | 70 | 125 |
25 | 1" | 25 | 95 | 80 | 145 |
32 | 1-1/4" | 32 | 110 | 84 | 145 |
40 | 1-1/2" | 38 | 125 | 93 | 205 |
50 | 2" | 50 | 150 | 100 | 205 |
65 | 2-1/2" | 64 | 175 | 142 | 250 |
80 | 3" | 76 | 216 | 155 | 265 |
100 | 4” | 100 | 260 | 172 | 300 |
Technical Specification
Nominal pressure(Mpa) | PN | 2.5,4.0,6.4 |
Strength testing pressure(Mpa) | PT | 3.8,6.0,9.6 |
Low pressure seal test(Mpa) | | 0.6 |
High pressure seal test(Mpa) | | 3.0,4.8,7.6 |
Applicable medium | water, oil, gas, nitric acid, acetic acid |
Applicable temperature | -40～180℃ |
Feature:
- Anti-blowout Structure of Valve Stem
When medium pass through the valve, the pressure in valve body may
possibly
push the stem out, or when the valve is in repair, if there is
pressure in the middle
cavity, the stem or medium seems to easily fly out upon
disassembling the valve,
which can cause injures to human beings,
To prevent the possibilities, a dummy club is packing and thrust
bearing are burnt
or packing is damaged due to other causes, the pressure of medium
in valve body
will make the dummy club of valve stem in close contact with the
upper seal face of
valve body.
Thus to prevent medium leaking out from the damage packing
position.
- Reliable Seal Structure
The seat is made of PTFE. Because the contact area between seat and
the ball will
becomes more high with rising of pressure of the middle cavity,
Small Resistance ball valve has the smallest resistance of all the
valve, in the case
of reduced bore, the resistance is little still.
- Prompt switch
The ball valve circumrotates in 90°,It work quickly to open or
close.
Features:
- Anti-blowout Structure of Valve Stem
When medium pass through the valve, the pressure in valve body may
possibly push the stem out, or
when the valve is in repair, if there is pressure in the middle
cavity, the stem or medium seems to easily
fly out upon disassembling the valve, which can cause injures to
human beings, To prevent the
possibilities, a dummy club is packing and thrust bearing are burnt
or packing is damaged due to other
causes, the pressure of medium in valve body will make the dummy
club of valve stem in close contact
with the upper seal face of valve body. Thus to prevent medium
leaking out from the damage packing
position.
- Reliable Seal Structure
The seat is made of PTFE. Because the contact area between seat and
the ball will becomes more high
with rising of pressure of the middle cavity, Small Resistance ball
valve has the smallest resistance of all
the valve, in the case of reduced bore, the resistance is little
still.
-Prompt switch
The ball valve circumrotates in 90°,It work quickly to open or
close.
Test Pressure Test Item | Shell Test | Seal Test | Back Seal Test | Air Seal Test | Medium | Water | Air | Unit | MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | Pressure (Class) | 150 | 3.1 | 450 | 2.2 | 315 | 2.2 | 315 | 0.5-0.7 | 60-100 | 300 | 7.8 | 1125 | 5.6 | 815 | 5.6 | 815 | 400 | 10.3 | 1500 | 7.6 | 1100 | 7.6 | 1100 | 600 | 15.3 | 2225 | 11.2 | 1630 | 11.2 | 1630 | 900 | 23.1 | 3350 | 16.8 | 2440 | 16.8 | 2440 |
Main Connection Dimensions
Type | Size(mm) | Dimension(mm) | inch | DN | L | D | D1 | D2 | b | Z-Φd | H | W | Q41F/H/Y-150Lb
Q341 F/H/Y-150Lb
Q641 F/H/Y-150Lb | 1/2″ | 15 | 108 | 89 | 60.5 | 35 | 12 | 4-Φ15 | 68 | 115 | 3/4″ | 20 | 117 | 98 | 70 | 43 | 12 | 4-Φ15 | 75 | 130 | 1″ | 25 | 127 | 108 | 79.5 | 51 | 12 | 4-Φ15 | 85 | 150 | 11/4″ | 32 | 140 | 117 | 89 | 64 | 13 | 4-Φ15 | 96 | 190 | 11/2″ | 40 | 165 | 127 | 98.5 | 73.2 | 15 | 4-Φ15 | 107 | 230 | 2″ | 50 | 178 | 152 | 120.7 | 92 | 16 | 4-Φ19 | 118 | 240 | 21/2″ | 65 | 190 | 177.8 | 139.7 | 104.7 | 18 | 4-Φ19 | 145 | 280 | 3″ | 80 | 203 | 190.5 | 152.4 | 127 | 19 | 4-Φ19 | 160 | 310 | 4″ | 100 | 229 | 229 | 190.5 | 157 | 24 | 8-Φ19 | 185 | 330 | 5″ | 125 | 356 | 254 | 216 | 185.7 | 26 | 8-Φ22 | 230 | 600 | 6″ | 150 | 394 | 279 | 241.3 | 216 | 26 | 8-Φ22 | 260 | 800 | 8″ | 200 | 457 | 343 | 298.5 | 270 | 29 | 8-Φ22 | 310 | 1000 | 10″ | 250 | 533 | 406 | 362 | 324 | 31 | 12-Φ25 | 350 | 1200 |
|
Type | Size(mm) | Dimension(mm) |
| inch | DN | L | D | D1 | D2 | b | Z-Φd | H | W |
Q41F/H/Y-300Lb
Q341F/H/Y-300Lb
Q641F/H/Y-300LbY | 1/2″ | 15 | 140 | 95 | 66.5 | 35 | 15 | 4-Φ15 | 72 | 115 |
| 3/4″ | 20 | 152 | 117 | 82.5 | 43 | 16 | 4-Φ19 | 75 | 130 |
| 1″ | 25 | 165 | 124 | 89 | 51 | 18 | 4-Φ19 | 85 | 150 |
| 11/4″ | 32 | 178 | 133 | 98.5 | 64 | 19.5 | 4-Φ19 | 95 | 180 |
| 11/2″ | 40 | 190 | 156 | 114.3 | 73.2 | 21 | 4-Φ22 | 110 | 230 |
| 2″ | 50 | 216 | 165 | 127 | 92 | 23 | 8-Φ19 | 120 | 240 |
| 21/2″ | 65 | 241 | 190.5 | 149.4 | 104.7 | 26 | 8-Φ22 | 150 | 280 |
| 3″ | 80 | 283 | 210 | 168.5 | 127 | 29 | 8-Φ22 | 165 | 310 |
| 4″ | 100 | 305 | 254 | 200.2 | 157 | 32 | 8-Φ22 | 190 | 330 |
| 5″ | 125 | 381 | 279 | 235 | 185.7 | 35 | 8-Φ22 | 240 | 600 |
| 6″ | 150 | 403 | 318 | 270 | 216 | 37 | 12-Φ22 | 270 | 800 |
| 8″ | 200 | 502 | 381 | 330 | 270 | 42 | 12-Φ25 | 315 | 1000 |
| 10″ | 250 | 568 | 445 | 387.5 | 324 | 48 | 16-Φ29 | 380 | 1200 |
