Threaded Stainless Steel Ball Float Valve , Double Block And Bleed
Ball Valve
Stainless Steel Ball Float Valve Description:
The fully-weled ball valve adopts forged material , welded body,
instead of bolts and nuts,to aviod any potential leakage from body.
The forged body with regular structure and even thickness can avoid
shrinkage cavities, pin holes, cracks, sand holes and other defects
occurring to casted valves.
Stainless Steel Ball Float Valve Technical Specification
Face to face standard: ASME B16.10,GB/T 12221
Flange ends: ASME B16.5,ASME B16.47 ,GB/T 9113
Fire safe design:API 6FA ,API 607
Pressure test:API 6D,API 598,GB/T 13927
Design Features | Application |
Simple structure with good tightness and small torque;
With a fully-welded valve body, full bore and the minimum flow
resistance (zero actually);
Fire safe, anti-static and anti-blowout stem desjgn;
Valve seat function DBB, DIB-1, DIB-2;
Be able to be used for underground installation without corrosion
of interior parts, therefore, it is the best application for
petroleum and natural gas lines;
Service life up to 30 years. |
Long distance pipe lines for petroleum, chemical industry,
metallurgy, light industry, power station,
urban construction water supply, as well as oil, gas and natural
gas transmission and so on
Technical Specification
- Nominal diameter: 1/2”-25”
- Applicable Temperature: -29℃～425℃(steel) -40℃～550℃(stainless
steel)
- Nominal pressure: 150lbs, 300lbs, 600Lb,900lbs,1500lbs
PN16/25/40/64/100/160, JIS 5K /10K/20K
- Applicable Medium: water ,gas,oil,and other causticity medium.
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
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.
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 |
