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 Stainless Steel
According to your project specifications
PMI
MPE
DPI/LPE
UT testing/Radiography
PTFE/PFA material for seat
Viton material for O-ring
SS+PTFE material for bearing
Duplex Stainless Steel for
ASTM/EN/DIN/JIS/GB standard material for project requirement
Accuracy is ensured by high precision CNC machine and measured by CMM
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. Fully PTFE/PFA-lined butterfly valves are suitable for corrosive and chemical services. The patented shaft seal design ensures reliability in high-corrosive applications.
Top Flange
According ISO 5211.
Seat
Fully PTFE/PFA-lined seat are suibable for corrosive and chemical services.
More than 3mm PTFE/PFA lining thickness.
Valve Body
Valve body material: Ductile JS1030 at least.
Split body design, easy for assembly and maintenance.
Safety seal at both shaft ends
Primary sealing by means of a belleville spring washer, transimitting prestress on spherical segment area.
Secondary sealing of shaft by means fo PTFE/PFA seal and viton O-ring.
Disc
Streamlined centric disc to reduce pressure loss and lower energy costs.
Fully PTFE/PFA-lined disc are suibable for corrosive and chemical services.
More than 3mm PTFE/PFA lining thickness.
| DN | H1 | H | L | F | K | G | W | GearBox |
| 40 | 57 | 183 | 33 | 34.5 | 43.5 | 145 | 150 | Q200+C150 |
| 50 | 65 | 193 | 43 | 34.5 | 43.5 | 145 | 150 | Q200+C150 |
| 65 | 75 | 208 | 46 | 34.5 | 43.5 | 145 | 150 | Q200+C150 |
| 80 | 95 | 218 | 46 | 34.5 | 43.5 | 145 | 150 | Q200+C150 |
| 100 | 108 | 238 | 52 | 34.5 | 43.5 | 145 | 150 | Q200+C150 |
| 125 | 125 | 258 | 56 | 34.5 | 43.5 | 145 | 150 | Q200+C150 |
| 150 | 140 | 268 | 56 | 34.5 | 43.5 | 145 | 150 | Q200+C150 |
| 200 | 173 | 313 | 60 | 39 | 52.5 | 213 | 200 | Q400+W200 |
| 250 | 212 | 343 | 68 | 39 | 52.5 | 213 | 200 | Q400+W200 |
| 300 | 236 | 388.5 | 78 | 48 | 69 | 269 | 250 | Q800+W250 |
| 350 | 281 | 440.5 | 78 | 48 | 69 | 269 | 250 | Q800+W250 |
| 400 | 319 | 477 | 102 | 52 | 84 | 290 | 300 | Q1500+W300 |
| 500 | 393 | 550 | 127 | 50 | 96.5 | 339 | 500 | Q2000+W500 |
| 600 | 465 | 683 | 154 | 73.5 | 137.5 | 408 | 500 | Q4000+W500 |
