Type 487
คุณสมบัติสินค้า:
DN 65 - 200 (2 1/2″ - 8″)
หมวดหมู่ : PIPE , FITTING & VALVES , SAMSON SED , Metal Diaphragm Valves ,
แบรนด์ : SAMSON SED
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Features
- Process media can be neutral and aggressive liquid and gaseous, dependent upon material selection of body and diaphragm
- Flow can be in either direction
- Insensitive to dirty or contaminated media
- Excellent flow characteristics
- Bubble tight sealing
- Installation can be in any position
- Eliminates water hammer
- Maintenance free non corrosive actuator
Technical specifications
| Design | Diaphragm Valve |
| Size range | DN 65 - 200 |
| Diaphragm size | MA 65 - 200 |
| Body material | S.G. iron EN-GJS-400-18-LT (GGG40.3)-PP-Lined S.G. iron EN-GJS-400-18-LT (GGG40.3)-PFA-Lined Cast iron EN-GJL-250 (GG 25) Cast iron EN-GJL-250 (GG 25)-Hard-Rubber-Lined |
| End connection standards | Flange: EN 1092 PN10/16, ANSI Class 125/150 |
| Diaphragm material | EPDM, PTFE, NBR, FPM |
| Max. working pressure | 10 bar (150 PSI), Type 295 6 bar (87 PSI), Type 289 |
| Temperature range | -10 °C to +150 °C, depending on diaphragm and body material |
| Control functions | Single acting (NC or NO) and double-acting (DA) pneumatic diaphragm actuator |
Technical specifications - pneumatic actuator
| Design | Diaphragm Actuator |
| Actuator material | Robust plastic housing, Actuator size 3,5,7 Robust metal housing 4,6,8,9 |
| Max. control air pressure | See table below and diagram on the following pages |
| Control media | Dry or lubricated filtered compressed air. If using other fluids, contact the SED service center |
| Filling volume | Actuator size: 3, 5, 7 = 2,5 NL Actuator size: 4, 6, 8 = 6,8 NL Actuator size: 9, 6/2, 8/2 = 13,6 NL |
| Control media temperature | Max. 40 °C |
| Ambient temperature | -20 °C to +50 °C |
