Design and selection notes

Butterfly valve / Product 2565
Concentric rubber seated flanged butterfly valve Class 150
Catalogue configuration
Selection and installation
Concentric rubber seated flanged butterfly valve Class 150. Catalogue WCB body and NBR seat in a concentric flanged design. Review Class 150 dimensions and request a ZGV quotation.
What distinguishes this product?
Concentric rubber seated flanged butterfly valve Class 150. This Class 150 concentric model uses flanged ends, with a WCB body and NBR seat in the catalogue example. Match the flanged face-to-face length and the required size before comparing installation dimensions. Provide the medium, operating conditions, actuation requirements and quantity for confirmation.
What information is needed for a quotation?
ZGV is an industrial valve manufacturer for B2B project enquiries. Send the product ID, quantity, fluid, size, operating and design pressure and temperature, body and seat materials, connection and actuation. Include project standards and inspection documents for confirmation.
Confirm pressure-temperature limits and the final configuration with ZGV.
Product parameters
Design, materials and dimensions.
Dimensions & weights
Dimensions & weights
Units and blank cells are shown with the table.
| Size (in) | L (mm) | L1 (mm) | H1 (mm) | H (mm) | D0 (mm) | L0 (mm) | Weight (Kg) |
|---|---|---|---|---|---|---|---|
| 2 | 43 | 108 | 110 | 135 | -- | 150 | 20 |
| 3 | 48 | 114 | 125 | 155 | -- | 180 | 29 |
| 4 | 54 | 127 | 147 | 162 | -- | 200 | 33 |
| 6 | 57 | 140 | 166 | 240 | -- | 300 | 74 |
| 8 | 64 | 152 | 215 | 375 | 180 | -- | 86 |
| 10 | 71 | 165 | 238 | 396 | 180 | -- | 142 |
| 12 | 81 | 178 | 283 | 446 | 180 | -- | 167 |
| 14 | 92 | 190 | 302 | 472 | 315 | -- | 218 |
| 16 | 102 | 216 | 338 | 555 | 350 | -- | 275 |
| 18 | 114 | 222 | 381 | 605 | 400 | -- | 315 |
| 20 | 127 | 229 | 408 | 638 | 480 | -- | 395 |
| 24 | 154 | 267 | 495 | 738 | 480 | -- | 580 |
| 28 | 165 | 292 | 561 | 976 | 480 | -- | 657 |
| 30 | 190 | 318 | 590 | 1016 | 610 | -- | 717 |
| 32 | 190 | 318 | 650 | 1160 | 610 | -- | 880 |
| 36 | 203 | 330 | 700 | 1205 | 480 | -- | 1042 |
| 40 | 216 | 410 | 750 | 1294 | 480 | -- | 1760 |
| 42 | 229 | 410 | 780 | 1350 | 480 | -- | 1820 |
| 48 | 254 | 470 | 892 | 1523 | 480 | -- | 2660 |
Structure & product views
Product structure and views.

Product parameters
Technical data tables.
Part materials
Class 150 · Part materials
| Part | Material |
|---|---|
| Body | ASTM A216 Gr.WCB |
| Gland | ASTM A105 |
| Seat | NBR |
| Thrust Washer | 304 + PTFE |
| Plate | ASTM A216 WCB |
| Packing Bushing | ASTM A276 410 |
| Stem | ASTM A276 410 |
| Packing | Flexible Graphite |


