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- DEF Tight-Sealing Butterfly Valve - PN 16
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DEF Tight-Sealing Butterfly Valve - PN 16
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Product Description
How energy efficiency is improved
Intelligent collar design for working without loss through leakage
Features
- For cutting off and regulating water and low-pressure steam up to 110 °C
- Butterfly valve with 3-way brass bearing bush as spindle bearing
- Fits PN 6, PN 10 and PN 16 flanges
- Can be combined with motorised actuators of the ADM 322 and A44W type or damper actuators with spring return of the ASM 124, 134 and ASF 122, 123 type
- Damper body made of grey cast iron
- Collar made of ethylene-propylene rubber
- Butterfly disc made of stainless steel
- Spindle made of stainless steel with two O-rings
Technical Details
| Parameters | |
| Nominal Pressure | 16 bar |
| Valve Characteristic | Linear |
| Angle of Rotation | 90° |
| Leakage Rate | < 0,0001% of the Kvs value |
| Ambient Conditions | |
| Operating Temperature | –10...130 °C |
| Maximum Operating Pressure | 16 bar |
Overview
| Type | Nominal Diameter | kvs value | Weight |
| DEF025F200 | DN 25 | 36 m³/h | 1 kg |
| DEF032F200 | DN 32 | 40 m³/h | 1.15 kg |
| DEF040F200 | DN 40 | 50 m³/h | 2.75 kg |
| DEF050F200 | DN 50 | 85 m³/h | 3.05 kg |
| DEF065F200 | DN 65 | 215 m³/h | 4.05 kg |
| DEF080F200 | DN 80 | 420 m³/h | 4.3 kg |
| DEF100F200 | DN 100 | 800 m³/h | 4.85 kg |
| DEF125F200 | DN 125 | 1010 m³/h | 7.2 kg |
| DEF150F200 | DN 150 | 2100 m³/h | 9.5 kg |
| DEF200F200 | DN 200 | 4000 m³/h | 12 kg |