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Double Eccentric Butterfly Valve PN25
Model: 756/218-008
Double eccentric butterfly valve with tilted and fixated disc for extended service life. Features integral seat, IP67 gearbox with handwheel, and SS shaft. DVGW/WRAS approved for drinking water and neutral liquids up to 70°C. Bi-directional application.
Approvals
Available Sizes: DN200 - DN1200
Technical Specifications
Valve Type
Double Eccentric Butterfly
Operation
IP67 Gearbox + Handwheel
Connection
Flanged EN1092, PN25
Pressure Rating
PN25 (25 bar)
Temperature
Max 70°C
Design Standard
EN 593
Face-to-Face
EN 558 Series 13 (F16)
Seat Type
Integral Seat
Materials of Construction
Dimension Table - PN25 (EN1092)
| DN | D (mm) | L (mm) | H2 (mm) | W1 (mm) | W2 (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| 200 | 250 | 152 | 217 | 195 | 287 | 50 |
| 250 | 400 | 165 | 258 | 228 | 332 | 77 |
| 300 | 400 | 178 | 303 | 253 | 368 | 108 |
| 350 | 400 | 190 | 318 | 285 | 392 | 118 |
| 400 | 400 | 216 | 373 | 320 | 435 | 178 |
| 450 | 600 | 222 | 411 | 345 | 503 | 238 |
| 500 | 600 | 229 | 455 | 375 | 564 | 282 |
| 600 | 700 | 267 | 541 | 430 | 632 | 448 |
| 700 | 700 | 292 | 566 | 483 | 706 | 609 |
| 800 | 700 | 318 | 650 | 546 | 789 | 805 |
| 900 | 700 | 330 | 707 | 593 | 839 | 1021 |
| 1000 | 700 | 410 | 771 | 663 | 909 | 1341 |
| 1200 | 700 | 470 | 899 | 768 | 1044 | 2175 |
Legend: D = Flange Drilling | L = Face-to-Face | H2 = Height | W1, W2 = Width
Key Features
Double Eccentric Design
Tilted disc releases compression after few degrees of opening for low operating torque.
Drinking Water Approved
EPDM disc seal with DVGW-WRAS-KIWA-ACS approvals for drinking water applications.
Corrosion Protection
Blue epoxy coating to GSK. Bolt holes sealed with O-rings for corrosion protection.
Bi-Directional Flow
Suitable for bi-directional application with reliable sealing in both directions.
Standards & Accessories
Standards Compliance
Available Accessories
- Extension Spindle
- Street Cover
- Dismantling Joint
- Flange Adaptor