PN25 Double Block And Bleed Ball Valve , Trunnion Mounted Ball Valve
Double Block And Bleed Ball Valve Description:
The ball valve is designed and manufactured according well to API 608. 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.
Double Block And Bleed Ball Valve Applications Standard
- Manufacture standard : API 608/ DIN/ BS/JIS
- Face to face dimension: ANSI B 16.10,API 6D/ DIN/ BS/JIS
- Flange dimension: ANSI B 16.5 MSS-SP-44/ DIN/ BS/JIS
- Test: API 598 API 6D/ DIN/ BS/JIS
OEM brand ball valve, full bore |
body :ductile iron to BS EN 1563 |
ball : Stainless steel CF8M ( SS 316) |
shaft: Stainless steel 316 |
seats: PTFE (pls quote this with WRAS approval if available) |
operation: with stainless steel lever for DN150 and less |
with gear and hand wheel for DN200 and above |
internal fastenings: Stainless steel 316 (A4) |
working pressure : 16 bar at max. 40 deg. C |
seat leakage: no visible leakage as specified in EN 12266-1 |
coating : minimum 250 micron epoxy |
suitable for use in potable water |
application : air or water |
flanged to PN25 of BS EN1092-2 |
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
Main Connection Dimensions
|
Type | Size(mm) | Dimension(mm) | ||||||||
| inch | DN | L | D | D1 | D2 | b | Z-Φd | H | W |
Q41F/H/Y-300Lb | 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 |
Type | Size(mm) | Dimension(mm) | ||||||||
| inch | DN | L | D | D1 | D2 | b | Z-Φd | H | W |
Q41F/H/Y-600Lb | 1/2″ | 15 | 165 | 95 | 66.5 | 35 | 15 | 4-Φ15 | 88 | 115 |
| 3/4″ | 20 | 190 | 118 | 82.5 | 43 | 16 | 4-Φ19 | 98 | 130 |
| 1″ | 25 | 216 | 124 | 89 | 51 | 18 | 4-Φ19 | 105 | 150 |
| 11/2″ | 40 | 241 | 156 | 114.3 | 73.2 | 23 | 4-Φ22 | 135 | 180 |
| 2″ | 50 | 292 | 165 | 127 | 92 | 26 | 8-Φ19 | 155 | 240 |
| 3″ | 80 | 356 | 210 | 168.2 | 127 | 32 | 8-Φ22 | 175 | 280 |
| 4″ | 100 | 432 | 273 | 216 | 157 | 38 | 8-Φ25 | 210 | 330 |
| 6″ | 150 | 559 | 356 | 292 | 216 | 48 | 12-Φ29 | 340 | 800 |
| 8″ | 200 | 660 | 419 | 349 | 270 | 56 | 12-Φ32 | 400 | 1000 |
| 10″ | 250 | 787 | 508 | 432 | 324 | 64 | 16-Φ35 | 440 | 1200 |