SD Butterfly Valves consist of two high-pressure aluminium alloy die-cast semi-bodies, aluminium swivel disc, and a pre-stressed elastomer seal.
For the food industry a version with stainless steel disc and an FDA/EN-approved, integral seal is available.Available in a fully stainless steel housing.
While SD has a top flange and beaded bottom section – suitable for the attachment of a flexible sleeve , SID comes with identical top and bottom flange.
Valve diameters from 4" to 16" are available
Series SD Butterfly Valves
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SD Series Butterfly Valves are used in all types of bulk solids processing plants where interception of gravity fed or pneumatically conveyed dry powders or granules are required.
SD Series Butterfly Valves can be fitted beneath hoppers, bins, silos or other type conveyors, or material interception in pneumatc conveying. Single or Double Flanged Models are available.
For closing bins, hoppers and silos containing powders or granular materials, SD Series Butterfly Valves are among the most widely used equipment worldwide.
What used to be custom-built items for specific applications, have been turned by AKMK into a mass-produced industrial product with features that allow extremely versatile use.
Performance & Technical Features - Benefits:
• S1D with top flange and beaded bottom section suitable for fixing of flexible sleeve
• S2D with identical top and bottom flange
• Pressure-proof up to 0.2 bar (2.9 PSI)
• High-pressure die-cast semi-bodies manufactured from aluminium alloy
• Disc in cast iron, engineering polymer, stainless steel
• Seals for standard or food-grade application
• Small number of components
• Lightweight and easy to handle
• Interchangeable discs
• Highly abrasion-resistant
• Easy to fit
• Quick maintenance
Model: SD100,SD150,SD200, SD250 ,SD300,SD350,SD400
CODE | ØA | ØB | ØC | E | F | ØG | ØG1 | Kg. | Fig. |
SD-100 | 100 | 180 | 220 | 183 | 222 |
| 220 | 4,5 | 1 |
SD-150 | 150 | 200 | 228 | 233 | 272 | 18 | 228 | 5 | 1 |
SD-200 | 200 | 250 | 278 | 287 | 322 | 18 | 280 | 7 | 1 |
SD-250 | 250 | 300 | 328 | 337 | 372 | 18 | 335 | 8 | 2 |
SD-300 | 300 | 350 | 378 | 387 | 422 | 22 | 385 | 11 | 2 |
CODE | ØA | ØB | ØC | E | F | ØG | ØG1 | Kg. | Fig. |
SD-350 | 350 | 400 | 420 | 439 | 489 | 22 | 445 | 20 | 3 |
SD-400 | 400 | 470 | 530 | 509 | 559 | 25 | 515 | 23 | 4 |
CODE | A | B | C | F | ØN (DIN 54B2) | P | Q | R | S | ØT | Z |
DA-80 | 92 | 285 | 130 | 66 | 19x22 | 65 | 90 | 54 | 76 | 8,5 | 50 |
DA-100 | 112 | 295 | 140 | 66 | 19x22 | 65 | 90 | 54 | 76 | 8,5 | 50 |
DA-125 | 137 | 430 | 196 | 89 | 25x28 | 68 | 106 | 60 | 84 | 10,5 | 80 |