AFFCO valve believes high quality valve starts from high quality casting,forging and other raw materials. we have profound experience in compliance with stringent material standards including NORSOK and wide variety blue chip end user specifications covering both metallic and non-metallic materials.
Increasingly, serve upstream operation conditions demanding not only primary components, but also accessories like bolting, bearing ,O-ring, packing and actuation components. AFFCO valve can cater the needs of any project specifications together with our vast network of material supply chain.
Ductile iron
Carbon steels
Stainless Steel
Duplex/Super Duplex
Ni-Al Brz
According to your project specifications
PMI
MPE
DPI/LPE
Radiography/UT testing
Nylon/PTFE etc coating
Painting suitable for marine etc environment
NBR/EPDM/VITON/SILICON/PTFE/PFA material for seat
Brass/Bronze material for bearing
Coating(Nylon etc) to wide range of project requirement
ASTM/EN/DIN/JIS/GB standard material for project requirement
Machining accuracy is controlled by high precision CNC machine
Surface roughness can reach Ra0.2
AFFCO valve supplies a full range of butterfly valves, Compact design and streamlined disc design a high Kv/Cv values, low pressure loss and energy cost. The replaceable seat for longer lifetime, no are maintenance friendly and easy in use.corrosion between body and liner. Because of the limited number of parts our valves are maintenance friendly and easy in use.
Top Flange
According ISO 5211
Shaft
Centric one piece shaft designs
100% bi-directional sealing result
No restriction to valve installation direction
Valve Body
Valve body material: Ductile JS1030 at least
Other materials are available
Support bearing
Extra support bearing for lower valve torque
Disc
Streamlined centric disc to reduce pressure loss and lower energy costs available in several materials
Bearing bush
Stainless steel bearing bush with PTFE coating
Reduce friction on shaft, decrease the torque of valve
Liner
Replaceable seat encapsulated to the body, no corrosion between valve body and liner:
Suitable for dry conditions
Longer life time
For end of line service
Low torque
No flange rubber gasket is needed
Other material is available
Stop plug
To Seal bottom side of the valve and to guide stem/shaft
| DN | NPS | ФE | F | B | C | D | Top Flange (ISO 5211) |
| 50 | 2″ | 11 | 25 | 65 | 140 | 43 | F07 |
| 65 | 2 1/2″ | 11 | 25 | 73 | 152.5 | 46 | F07 |
| 80 | 3″ | 11 | 25 | 80 | 157.5 | 46 | F07 |
| 100 | 4″ | 11 | 25 | 98 | 176 | 52 | F07 |
| 125 | 5″ | 14 | 28 | 110 | 191 | 56 | F07 |
| 150 | 6″ | 14 | 28 | 133 | 203 | 56 | F07 |
| 200 | 8″ | 17 | 28 | 158 | 240 | 60 | F07 |
| 250 | 10″ | 22 | 30 | 194 | 273 | 68 | F10 |
| 300 | 12″ | 22 | 30 | 219 | 311 | 78 | F10 |
| 350 | 14″ | 27 | 29 | 294 | 345 | 78 | F12 |
| 400 | 16″ | 27 | 29 | 319 | 375 | 102 | F12 |
| 450 | 18″ | 36 | 38 | 352 | 405 | 114 | F14 |
| 500 | 20″ | 36 | 38 | 387 | 438 | 127 | F14 |
