Butterfly valve 308
DN50-DN350, PN3-7
Own production
Certificates and full package of documents
Production time from 20 days
Technical Specifications
-
Nominal diameter
— DN50-300
-
Nominal pressure
— PN3-PN7
-
Medium temperature
— -60 °C ... +180 °C
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Types of Valve End Connections
— Wafer-type, lug-type
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Leakage Class
— «А»
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Mounting Position
— Horizontal, vertical, except with the actuator facing downward
-
Types of Control
— — Manual (lever, handwheel, gearbox)— Pneumatic actuator
— Electric actuator
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Warranty Period
— 12 months
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Average Service Life
— 10 000 cycles
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Guaranteed Service Life
— Not less than 5000 cycles
Technical Drawings and Dimensions
Nominal pressure PN 3–7
Basic dimensions table
| DN | Dn, mm | L, mm | PN, MPa (Bar) |
|---|---|---|---|
| 50 | 57 | 42 | 0.7 |
| 65 | 72 | 46 | 0.7 |
| 80 | 80 | 46 | 0.7 |
| 100 | 102 | 56 | 0.6 |
| 125 | 130 | 70 | 0.5 |
| 150 | 153 | 71 | 0.5 |
| 200 | 203 | 87 | 0.4 |
| 250 | 255 | 111 | 0.3 |
| 300 | 312 | 132 | 0.3 |
| 350 | 358 | 132 | 0.3 |
Product Description
Butterfly Valve Model 308 is designed for shutting off the flow of working media in industrial and chemically aggressive installations.
Design features of the model:
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Short face-to-face length (compact design)
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Replaceable sealing
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Lightweight construction
Thanks to various material versions of the body (UPVC, PVDF, PP) and sealing (EPDM, VITON), the valve can operate in a wide temperature range from –60°C to +180°C and at a working pressure of up to 0.7 MPa.
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Nastassia Kudrashova
Senior Engineer
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