burkert2031 二位二通隔膜阀，带有不锈钢外壳电磁阀 宝德2031现场控制的隔膜阀，带有气动的活塞驱动装置和由冷变形不锈钢管构成的阀体。PA 或 PPS 材料的驱动装置。burkert隔膜阀
现场控制的隔膜阀，带有气动的活塞驱动装置和由冷变形不锈钢管构成的阀体。PA 或 PPS 材料的驱动装置。
2/2-way Diaphragm Valve, cast valve body, weld end and clamp connec-tion, port connection DN 4-50
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Type 8697 Type 8640/8644
Electrical Valve block
position feedback
The externally piloted diaphragm valve consists of a pneumatically operated piston actuator, a diaphragm and a 2-way valve housing made of investment cast stainless steel.
The standard material of the actuator is PPS. With its favourable fl ow characteristics and zero dead volume, the valve housing enables high flow capacities and a variety of applica-tions to be realized.
Applications
Water treatment
Biotechnology
Food industry
| Type 6012/6014 P | Type 8311 |
| Pilot valve | Pressure Sensor/ |
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| Switch |
Technical data
| Port Connection | DN 4-50 |
| Body material | Cast stainless steel 316 L/1.4435 |
| Actuator material | PPS (PA polyamide on request) |
| Pilot air ports | Stainless steel 1.4305 |
| Diaphragm materials | EPDM (AB), PTFE/EPDM (EA) |
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| EPDM (AD), advanced PTFE/EPDM (EU) and FKM (FF) |
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| on request |
| Medium | Neutral gases and liquids, high purity, sterile, aggressive |
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| or abrasive fl uids |
| Viscosity | up to viscous |
| Surface finish | (average surface fi nish) |
| internal mechanical polished | Ra ≤ 0.8 μm |
| (external cast surface) |
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| internal electro polished | Ra ≤ 0.6 μm |
| (external cast surface electro |
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| polished) (more on request) |
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| Media temperature |
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| EPDM (AB), PTFE/EPDM (EA) | -10 to +130 °C (steam sterilisation +140 °C for 60 min) |
| EPDM (AD), advanced PTFE/ | -5 to +143 °C (steam sterilisation +150 °C for 60 min) |
| EPDM (EU) |
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| FKM (FF) | 0 to +130 °C (not recommended for steam) |
| Ambient temperature |
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| Actuator size < 100 | +5 to +140 °C |
| Actuator size ≥ 100 | +5 to +90 °C Briefl y up to +140 °C |
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