The 2 piece type floating ball valve has full port, fire safe design, anti blowout stem, ANSI 150 flange and lever operation. The carbon steel ball valve is designed with A216 WCB body, F316 stem and ball, PTFE soft seat.
Quick Detail
Type |
Ball Valve |
Size |
4" |
Pressure |
150 LB |
Construction |
Floating Type Ball, Two Piece Body, Full Bore |
Connection |
Raised Face Flange End |
Operation |
Wrench Operation |
Body Material |
Cast Steel WCB |
Trim Material |
SS316 &PTFE |
Design Standard |
API 6D |
Pressure & Temp Code |
ASME B16.34 |
Face to Face |
ASME B16.10 |
End Connection |
ASME B16.5 |
Inspection Code |
API 6D |
Temperature Range |
-29℃~+125℃ |
Media |
Water, oil and gas |
Material & Dimension
No | Part Name | Carbon steel to ASTM | Stainless Steel to ASTM | ||||
WCB | LCB | CF8 | CF8M | CF3 | CF3M | ||
1 | Body | A216 WCB | A352 LCB | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
2 | Bonnet nut | A194 2H | A194 4 | A194 8 | |||
3 | Bonnet bolt | A193 B7 | A320 L7 | A193 B8 | |||
4 | Cap | A216 WCB | A352 LCB | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
5 | Gasket | SS Spiral Wound/graphite or SS Spiral Wound/PTFE | |||||
6 | Ball | A105/Ep.Cr or F6 | A182 F6 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
7 | Seat Ring | RPTFE or POM | |||||
8 | Small spring | Stainless Steel | |||||
9 | Small ball | A182 F304 A182 F316L | |||||
10 | Stem | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
11 | Stem Seat | PTFE | |||||
12 | Stem Packing | PTFE or Graphite | |||||
13 | Gland | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L | |
14 | Gland Bolt | A193 B7 | A193 B8 | ||||
15 | Galnd Flange | A216 WCB | A351 CF8 | ||||
16 | Positioning Plate | Steel | |||||
17 | Wrentch | A216 WCB | |||||
The material is according to ASTM standard |
CLASS 150 | ||||||||||||
DN | mm | 15 | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 |
NPS | in | 0.5 | 0.75 | 1 | 1.5 | 2 | 2.5 | 3 | 4 | 6 | 8 | 10 |
L (RF) |
mm | 108 | 117 | 127 | 165 | 178 | 191 | 203 | 229 | 394 | 457 | 533 |
in | 4.25 | 4.6 | 5 | 6.5 | 7 | 7.5 | 8 | 9 | 15.5 | 18 | 21 | |
L1 (BW) |
mm | 140 | 152 | 165 | 190 | 216 | 241 | 283 | 305 | 457 | 521 | 559 |
in | 5.5 | 6 | 6.5 | 7.48 | 8.5 | 9.5 | 11.13 | 12 | 18 | 20.5 | 22 | |
L2 (RTJ) |
mm | 119 | 129.7 | 139.7 | 178 | 191 | 203 | 216 | 241 | 406 | 470 | 546 |
in | 4.69 | 5.11 | 5.5 | 6.9 | 7.5 | 8 | 8.5 | 9.5 | 16 | 18.5 | 21.5 | |
H | mm | 66 | 74 | 87 | 105 | 132 | 152 | 182 | 215 | 250 | 285 | 495 |
in | 2.6 | 2.9 | 3.48 | 4.2 | 5.28 | 6.08 | 7.28 | 8.6 | 10 | 11.4 | 19.5 | |
Do(W) | mm | 130 | 130 | 160 | 230 | 400 | 400 | 600 | 850 | 1100 | 1500 | *350 |
in | 5.1 | 5.11 | 6.3 | 9 | 15.74 | 15.74 | 23.62 | 33.46 | 43.3 | 59 | 13.8 | |
RF(Kg) | 2.3 | 3 | 4.5 | 7 | 15 | 20 | 25 | 40 | 97 | 160 | 240 | |
BW(Kg) | 2.0 | 2.5 | 3.8 | 5.8 | 12 | 17 | 21 | 36 | 92.8 | 154 | 227 | |
*Worm Gear or Electric actuator operated |
Special Tests & Inspections
In addition to regular hydraulic testing and air testing, Dervos could also do specials test as per clients’ requests, such as PT test, RT test, UT test, cryogenic test, low leakage test, fire proof test, and hardness test and so on.