-46℃ for the TDZ series of carbon steels. For the stainless-steel UTDZ series.
Compatible with low temperatures down to -104°C.
Low Temperature Service Ball Valve has the extended bonnet for assured stem seal and freezing prevention.
Ball Valves for Low Temperature services
Extension Bonnet Ball Valve
Specification
- Product Code : (G-)10UTBDXK(M)/(G-)150UTBXK(M)
- Nominal size : DN 15 – 150 (NPS 1/2 – 6)
- Nominal pressure : ASME Class150 JIS 10K
- Face to Face : ASME B16.10
- Flange type : RF
- Temperature range : -50℃ ～+ 260℃※
※Applicable temperature range used for heat cycle operation:
for low temperature from -50℃ to +150℃
for high temperature from -30℃ to +260℃
Features
- Extended bonnet to prevent stem sealing area from freezing
- Anti-blowout stem
- Vent hole on ball prevents any excessive cavity pressure
- Oil/water free treatment（as per KITZ standards）
- Price advantage in thermal retention including brine services
| Parts | Main parts material | |
|---|---|---|
| Material(150UTBXK) | Material(150UTBXKM) | |
| Body | A351 Gr.CF8/SCS13A | A351 Gr.CF8/SCS14A |
| Cap | A351 Gr.CF8/SCS13A | A351 Gr.CF8/SCS14A |
| Stem | 304SS | 316SS |
| Ball | 304SS | 316SS |
| Gland packing | PTFE | PTFE |
| Lever handle | Ductile cast iron | Ductile cast iron |
| Gasket | PTFE | PTFE |
| Ball seat | Hypatite®PTFE | Hypatite®PTFE |
Valve operator
NPS 1/2 to 4 : Lever operation
NPS 5 to 6 : Gear operation
Pneumatic and electric actuated valves are available as option.
Dimensions
unit：mm
| Nominal Size | DN | 15 | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NPS | 1/2 | 3/4 | 1 | 1 1/2 | 2 | 2 1/2 | 3 | 4 | 5 | 6 | |
| d | 15 | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | |
| d1 | 13 | 18 | 23 | 38 | 48 | 63 | 78 | 98 | 123 | 148 | |
| H | 254 | 257 | 276 | 265 | 272 | 305.5 | 315 | 349 | 464 | 489 | |
| D1 | 130 | 130 | 160 | 230 | 230 | 400 | 400 | 460 | 310 | 310 | |
| L | 108 | 117 | 127 | 165 | 178 | 190 | 203 | 229 | 356 | 394 | |
| A | – | – | – | – | – | – | – | – | 65.5 | 65.5 | |
| B | – | – | – | – | – | – | – | – | 165 | 165 | |
※Please refer as built dimensional drawing for more details
150UTBXK(M)/G-150UTBXK(M)
Ball Valves for Low Temperature
Features
- Bolted bonnet with body seal gasket.
- Protection of stem alignment by means of two bearings built on top and bottom of stem extension.
Specification
- Class 150 / 300
- Full bore, Split body, Side entry design
- Lowest working temperature: -104℃
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