圆盘式疏水阀是根据伯努力热动力原理，利用蒸汽和凝结水的热动力学不同的特性，引起动能和势能动静压变化。使动作件阀片上下压差变化，启动阀片开启和关闭，从而达到阻汽排水目的。
Thermodynamic DT46 disc steam traps are compact and lightweight-easy to install traps, excellent for high pressure systems, including steam tracing applications.
The insulation cover insures a consistent operation and makes it particularly suitable for those applications where the weather conditions, such as rain and wind, may affect the normal operation.
These traps have only one moving part and offer a wide operating range, without adjustment. Connections are female screwed or flanged.
MAIN FEATURES
Intermittent discharge.
Standard insulation cover
Operates on superheated steam.
The seat and disc can be easily replaced in field without removing the trap from the line.
Unaffected by water hammer and vibrations Built-in easy-to-clean strainer.
| OPTIONS: | Blowdown valve |
| USE: | Saturated and superheated steam. |
| AVAILABLE | |
| MODELS: | DT 46 |
| SIZES: | DN ½” to DN 1” – DN15 to DN25 |
| CONNECTIONS: | Female screwed ISO7/1 Rp (BS21) |
| Flanged EN1092-1 PN40-PN100 or ANSI | |
| INSTALLATION: | Horizontal installation recommended. |
| APPLICATION | Can be installed in any position. |
| LIMITS: | Min. working pressure – 1,5 bar |
| Max.working back pressure – 80% |
BODY LIMITING CONDITIONS
| FLANGED PN 40 / ANSI 300 * | FLANGED ANSI 150 ** | FLANGED PN 63 * | FLANGED PN 100 * | FLANGED ANSI 600# ** | RELATED TEMP. |
| ALLOW. PRES. | ALLOW. PRES. | ALLOW. PRES. | ALLOW. PRES. | ALLOW. PRES. | |
| 40 bar | 17,3 bar | 63 bar | 100 bar | 90,5 bar | 50 ºC |
| 37,1 bar | 15,4 bar | 58,5 bar | 92,8 bar | 80,2 bar | 100 ºC |
| 33,3 bar | 13,8 bar | 52,5 bar | 83,3 bar | 72 bar | 200 ºC |
| 27,6 bar | 10,2 bar | 43,5 bar | 69 bar | 59,7 bar | 300 ºC |
| 23,8 bar | 6,5 bar | 37,5 bar | 59,5 bar | 51,4 bar | 400 ºC |
| PMO - Max. Operating pressure | 46bar | TMO - Max. Operating temperature | 400 ºc | ||
| * According to EN1092-1:2007 ; | ** Acc. to EN1759-1:2004 | ||||
Body limiting conditions PN100 or below , depending on the type of connection adopted. Rating PN100 for thread, SW and BW.
MATERIALS
| POS.Nr. | DESIGNATION | MATERIAL |
| 1 | Body | P250GH / 1.0460 |
| 2 | Cover | AISI 304 / 1.4301 |
| 3 | *Gasket | StainlessSt./Graphite |
| 4 | *Seat | Hardened St.Steel |
| 5 | *Valve disc | Hardened St.Steel |
| 6 | *Bimetal ring | Bimetal |
| 7 | *Washer support | AISI 304 / 1.4301 |
| 8 | *Tube | AISI 304 / 1.4301 |
| 9 | *Strainer screen | AISI 304 / 1.4301 |
| 10 | *Gasket | StainlessSt./Graphite |
| 11 | Plug | A105 / 1.0432 |
| 12 | Insulation cover | AISI 304 / 1.4301 |
*Available spare parts.
DIMENSIONS (mm)
| Screwed and SW * | EN PN16/PN40 | EN PN63 | ANSI 150 | ANSI 300 | |||||||||
| SIZE DN | A | B | C | D | WGT. Kgs | E | WGT. Kgs | E | WGT. Kgs | E | WGT. Kgs | E | WGT. Kgs |
| 15-1/2" | 95 | 60 | 50 | 109 | 1,3 | 150 | 2,8 | 150 | 3,7 | 150 | 3,9 | 150 | 4,9 |
| 20-3/4" | 95 | 60 | 50 | 109 | 1,2 | 150 | 3,3 | 150 | 5,2 | 150 | 4,8 | 150 | 7 |
| 25-1" | 95 | 66 | 50 | 115 | 1,5 | 160 | 4,1 | 160 | 6,7 | 160 | 6,5 | 160 | 8,5 |
* BW (butt weld) on request.
