Danfoss FIA Filters (Strainers)
FIA strainers are angle-way and straight-way strainers designed for favourable flow conditions, easy installation and quick inspection and cleaning. They are installed ahead of automatic controls, pumps and compressors — for initial plant start-up and where permanent filtration of the refrigerant is required.
The stainless steel filter net mounts directly without extra gaskets; two insert types are available — a plain stainless insert and a pleated insert with extra-large surface (DN 15–200) for long cleaning intervals and low pressure drop.
Wenzhou Phonetoo Electromechanical Co., Ltd. is an authorized Danfoss distributor in China. Contact us for availability, pricing and delivery time.
Specification
| Item | Value |
|---|---|
| Series | FIA (parts programme) |
| Max. working pressure | 40 bar (580 psi) |
| Temperature range | –60 – +150 °C |
| Sizes | DN 15 – 200 (½ – 8 in.) |
| Versions | Angleway / straightway |
| Filter mesh | 100 / 150 / 250 / 500 µm stainless steel, plain or pleated |
| Refrigerants | HCFC, HFC, R717 (ammonia), R744 (CO2), all flammable refrigerants |
| Classification | DNV, CRN, BV, EAC |
Key features
- Plain or pleated stainless steel inserts; pleated version for extra-long intervals
- Filter bag insert (DN 50–200) for plant cleaning during commissioning
- Magnetic insert (DN 80–200) traps iron and magnetic particles
- Modular Flexline concept: convert to a stop, regulating, stop-check or check valve by replacing the complete top part — no welding
- Housing and bonnet in low-temperature steel per Pressure Equipment Directive
Confirm the exact FIA type, size and code number in your RFQ and we will quote it.
FIA-140B — 140 bar series for CO2 transcritical
For industrial CO2 transcritical systems, the FIA-140B series (Flexline SVL-140B platform) offers the same strainer function at 140 bar (2030 psi): DN 50 – 150 (2 – 6 in.), angle or straightway, DIN / ANSI butt-weld and brazing connections up to 64 mm, –40 – +150 °C. UL / CRN approved.
FIA 250–300 — large-size strainers
For large lines, the angle-type FIA 250–300 (10–12 in.) covers DN 250–300: 40 bar, –60 – +150 °C, low-temperature steel housing, DIN / ANSI connections. Stainless mesh inserts of 150 or 250 micron (100 / 72 mesh) mount directly without gaskets; a magnetic insert is available for trapping iron and magnetic particles. DNV / CRN / BV / EAC approved.
Applications
- Protection of automatic controls, pumps and compressors in industrial refrigeration plants
- Plant start-up cleaning and permanent filtration of refrigerants
Code numbers
Ordering codes for Danfoss FIA filters (strainers): complete strainer housings, filter inserts, the FIA-140B 140 bar series, FIA 250-300 and accessories. Confirm the exact type and code number in your RFQ and we will quote it.
Complete FIA strainers — housing without filter element
| Type | Size (DN) | Code no. |
|---|---|---|
| FIA 15 D ANG | 15 (1/2 in.) | 148B5242 |
| FIA 20 D ANG | 20 (3/4 in.) | 148B5342 |
| FIA 25 D ANG | 25 (1 in.) | 148B5442 |
| FIA 32 D ANG | 32 (1 1/4 in.) | 148B5543 |
| FIA 40 D ANG | 40 (1 1/2 in.) | 148B5624 |
| FIA 50 D ANG | 50 (2 in.) | 148B5712 |
| FIA 65 D ANG | 65 (2 1/2 in.) | 148B5812 |
| FIA 80 D ANG | 80 (3 in.) | 148B5905 |
| FIA 100 D ANG | 100 (4 in.) | 148B6006 |
| FIA 125 D ANG | 125 (5 in.) | 148B6105 |
| FIA 150 D ANG | 150 (6 in.) | 148B6202 |
| FIA 200 D ANG | 200 (8 in.) | 148B6302 |
| FIA 15 D STR | 15 (1/2 in.) | 148B5243 |
| FIA 20 D STR | 20 (3/4 in.) | 148B5343 |
| FIA 25 D STR | 25 (1 in.) | 148B5443 |
| FIA 32 D STR | 32 (1 1/4 in.) | 148B5544 |
| FIA 40 D STR | 40 (1 1/2 in.) | 148B5625 |
| FIA 50 D STR | 50 (2 in.) | 148B5713 |
| FIA 65 D STR | 65 (2 1/2 in.) | 148B5813 |
| FIA 80 D STR | 80 (3 in.) | 148B5906 |
| FIA 100 D STR | 100 (4 in.) | 148B6007 |
| FIA 125 D STR | 125 (5 in.) | 148B6106 |
| FIA 150 D STR | 150 (6 in.) | 148B6203 |
| FIA 200 D STR | 200 (8 in.) | 148B6303 |
| FIA 15 A ANG (ANSI Sch 80) | 15 (1/2 in.) | 148B5244 |
| FIA 20 A ANG (ANSI Sch 80) | 20 (3/4 in.) | 148B5344 |
| FIA 25 A ANG (ANSI Sch 80) | 25 (1 in.) | 148B5444 |
| FIA 32 A ANG (ANSI Sch 80) | 32 (1 1/4 in.) | 148B5545 |
| FIA 40 A ANG (ANSI Sch 80) | 40 (1 1/2 in.) | 148B5642 |
| FIA 15 A STR (ANSI Sch 80) | 15 (1/2 in.) | 148B5247 |
| FIA 20 A STR (ANSI Sch 80) | 20 (3/4 in.) | 148B5347 |
| FIA 25 A STR (ANSI Sch 80) | 25 (1 in.) | 148B5447 |
| FIA 32 A STR (ANSI Sch 80) | 32 (1 1/4 in.) | 148B5552 |
| FIA 40 A STR (ANSI Sch 80) | 40 (1 1/2 in.) | 148B5644 |
| FIA 50 A ANG (ANSI Sch 40) | 50 (2 in.) | 148B5714 |
| FIA 65 A ANG (ANSI Sch 40) | 65 (2 1/2 in.) | 148B5814 |
| FIA 80 A ANG (ANSI Sch 40) | 80 (3 in.) | 148B5907 |
| FIA 100 A ANG (ANSI Sch 40) | 100 (4 in.) | 148B6008 |
| FIA 125 A ANG (ANSI Sch 40) | 125 (5 in.) | 148B6107 |
| FIA 150 A ANG (ANSI Sch 40) | 150 (6 in.) | 148B6204 |
| FIA 200 A ANG (ANSI Sch 40) | 200 (8 in.) | 148B6304 |
| FIA 50 A STR (ANSI Sch 40) | 50 (2 in.) | 148B5716 |
| FIA 65 A STR (ANSI Sch 40) | 65 (2 1/2 in.) | 148B5815 |
| FIA 80 A STR (ANSI Sch 40) | 80 (3 in.) | 148B5908 |
| FIA 100 A STR (ANSI Sch 40) | 100 (4 in.) | 148B6009 |
| FIA 125 A STR (ANSI Sch 40) | 125 (5 in.) | 148B6108 |
| FIA 150 A STR (ANSI Sch 40) | 150 (6 in.) | 148B6205 |
| FIA 200 A STR (ANSI Sch 40) | 200 (8 in.) | 148B6305 |
| FIA 150 G ANG (GOST butt-weld) | 150 (6 in.) | 148B6206 |
| FIA 150 G STR (GOST butt-weld) | 150 (6 in.) | 148B6207 |
| FIA 15 FTP ANG (FPT, NPT) | 15 (1/2 in.) | 148B5246 |
| FIA 20 FTP ANG (FPT, NPT) | 20 (3/4 in.) | 148B5346 |
| FIA 25 FTP ANG (FPT, NPT) | 25 (1 in.) | 148B5446 |
| FIA 32 FTP ANG (FPT, NPT) | 32 (1 1/4 in.) | 148B5547 |
| FIA 15 FTP STR (FPT, NPT) | 15 (1/2 in.) | 148B5249 |
| FIA 20 FTP STR (FPT, NPT) | 20 (3/4 in.) | 148B5349 |
| FIA 25 FTP STR (FPT, NPT) | 25 (1 in.) | 148B5449 |
| FIA 32 FTP STR (FPT, NPT) | 32 (1 1/4 in.) | 148B5549 |
| FIA 15 SOC ANG (socket weld) | 15 (1/2 in.) | 148B5245 |
| FIA 20 SOC ANG (socket weld) | 20 (3/4 in.) | 148B5345 |
| FIA 25 SOC ANG (socket weld) | 25 (1 in.) | 148B5445 |
| FIA 32 SOC ANG (socket weld) | 32 (1 1/4 in.) | 148B5546 |
| FIA 40 SOC ANG (socket weld) | 40 (1 1/2 in.) | 148B5643 |
| FIA 50 SOC ANG (socket weld) | 50 (2 in.) | 148B5715 |
| FIA 15 SOC STR (socket weld) | 15 (1/2 in.) | 148B5248 |
| FIA 20 SOC STR (socket weld) | 20 (3/4 in.) | 148B5348 |
| FIA 25 SOC STR (socket weld) | 25 (1 in.) | 148B5448 |
| FIA 32 SOC STR (socket weld) | 32 (1 1/4 in.) | 148B5548 |
| FIA 40 SOC STR (socket weld) | 40 (1 1/2 in.) | 148B5645 |
| FIA 50 SOC STR (socket weld) | 50 (2 in.) | 148B5717 |
Type codes: D = butt-weld DIN (EN 10220); A = butt-weld ANSI; G = butt-weld GOST; ANG = angleway; STR = straightway; SOC = socket weld ANSI (B 16.11); FTP/FPT = female pipe thread, NPT (ANSI/ASME B 1.20.1).
Filter inserts
| Size (DN) | Plain 100µ (150 mesh) | Plain 150µ (100 mesh) | Plain 250µ (72 mesh) | Plain 500µ (38 mesh) | Pleated 150µ (100 mesh) | Pleated 250µ (72 mesh) | Pleated 500µ (38 mesh) |
|---|---|---|---|---|---|---|---|
| 15-25 | 148H3122 | 148H3124 | 148H3126 | 148H3128 | 148H3303 | 148H3363 | – |
| 32-40 | 148H3123 | 148H3125 | 148H3127 | 148H3129 | 148H3304 | 148H3269 | – |
| 50 | 148H3157 | 148H3130 | 148H3138 | 148H3144 | 148H3179 | 148H3184 | 148H3189 |
| 65 | – | 148H3131 | 148H3139 | 148H3145 | 148H3180 | 148H3185 | 148H3190 |
| 80 | – | 148H3119 | 148H3120 | 148H3121 | 148H3181 | 148H3186 | 148H3191 |
| 100 | – | 148H3132 | 148H3140 | 148H3146 | 148H3182 | 148H3187 | 148H3192 |
| 125 | – | 148H3133 | 148H3141 | 148H3147 | 148H3183 | 148H3188 | 148H3193 |
| 150 | – | 148H3134 | 148H3142 | 148H3148 | 148H3226 | 148H3293 (1) | – |
| 200 | – | 148H3135 | 148H3143 | 148H3149 | 148H3297 | 148H3294 (1) | – |
(1) 60 mesh.
FIA 250-300
| Type | Size (DN) | Housing without filter insert | Filter insert 150µ (100 mesh) | Filter insert 250µ (72 mesh) |
|---|---|---|---|---|
| FIA 250 D ANG (butt-weld DIN, angleway) | 250 (10 in.) | 148H3171 | 148H3136 | 148H3175 |
| FIA 300 D ANG (butt-weld DIN, angleway) | 300 (12 in.) | 148H3172 | 148H3137 | 148H3176 |
| FIA 250 A ANG (butt-weld ANSI, angleway) | 250 (10 in.) | 148H3173 | 148H3136 | 148H3175 |
| FIA 300 A ANG (butt-weld ANSI, angleway) | 300 (12 in.) | 148H3174 | 148H3137 | 148H3176 |
Order the FIA 250-300 housing without filter insert together with the filter insert.
FIA-140B (140 bar) — ordering from the parts program
| Size (DN) | Housing ANG, butt-weld ANSI | Housing ANG, butt-weld DIN | Housing ANG, brazing SA | Housing ANG, brazing SD | Housing STR, butt-weld ANSI | Housing STR, butt-weld DIN | Housing STR, brazing SA | Housing STR, brazing SD | Top complete (FIA-140B) |
|---|---|---|---|---|---|---|---|---|---|
| 50 (2 in.) | 148B5861 | 148B5861 | 148B6861 | 148B6861 | 148B5862 | 148B5862 | 148B6862 | 148B6862 | 148B6932 (2) |
| 65 (2 1/2 in.) | 148B6908 | 148B6910 | 148B6912 | 148B6914 | 148B6909 | 148B6911 | 148B6913 | 148B6915 | 148B6932 |
| 80 (3 in.) | 148B5971 | 148B5971 | – | – | 148B5972 | 148B5972 | – | – | 148B6933 |
| 100 (4 in.) | 148B6918 | 148B6918 | – | – | 148B6919 | 148B6919 | – | – | 148B6934 |
| 125 (5 in.) | 148B6922 | 148B6920 | – | – | 148B6923 | 148B6921 | – | – | 148B6935 |
| 150 (6 in.) | 148B6924 | 148B6924 | – | – | 148B6925 | 148B6925 | – | – | 148B6936 |
Connection codes: A = butt-weld ANSI (B 36.10 Schedule 80); D = butt-weld DIN (EN 10216-2); SA = brazing ASME B16.50; SD = brazing EN 1254-5; ANG = angle flow; STR = straight flow. (1) Code numbers may cover more connection types (e.g. A/D) where standards and tolerances allow for it. (2) Same code number for DN 50-65. Order the FIA housing, the top complete, the strainer element and accessories separately.
FIA-140B pleated strainer inserts
| FIA size (DN) | Pleated 50µ | Pleated 150µ | Pleated 250µ | Pleated 500µ |
|---|---|---|---|---|
| 50 | 148H3415 | 148H3180 | 148H3185 | 148H3190 |
| 65 | 148H3415 | 148H3180 | 148H3185 | 148H3190 |
| 80 | 148H3416 | 148H3181 | 148H3186 | 148H3191 |
| 100 | 148H3417 | 148H3182 | 148H3187 | 148H3192 |
| 125 | 148H3418 | 148H3183 | 148H3188 | 148H3193 |
| 150 | 148H3419 | 148H3226 | 148H3293 | – |
FIA-140B accessories
| Part | Accessory for | Code no. |
|---|---|---|
| Magnet insert | FIA 65-100 | 148H3447 |
| Magnet insert | FIA 125-150 | 148H3448 |
| Filter bag | FIA 50-65 | 148H3151 |
| Filter bag | FIA 80 | 148H3152 |
| Filter bag | FIA 100 | 148H3153 |
| Filter bag | FIA 125 | 148H3154 |
| Filter bag | FIA 150 | 148H3155 |
| Blind nut with gasket | FIA 50-150 | 148H3450 |
SVL housings — ordering from the parts program
| Size (DN) | Butt-weld DIN ANG | Butt-weld DIN STR | Butt-weld ANSI ANG | Butt-weld ANSI STR | Butt-weld GOST ANG | Butt-weld GOST STR | Socket weld ANG | Socket weld STR | FPT ANG | FPT STR | T ANG |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 148B5252 | 148B5253 | 148B5254 | 148B5255 | 148B5391 | 148B5392 | 148B5256 | 148B5257 | 148B5258 | 148B5259 | – |
| 20 | 148B5352 | 148B5353 | 148B5354 | 148B5355 | 148B5393 | 148B5394 | 148B5356 | 148B5357 | 148B5358 | 148B5359 | – |
| 25 | 148B5452 | 148B5453 | 148B5454 | 148B5455 | 148B5498 | 148B5499 | 148B5456 | 148B5457 | 148B5458 | 148B5459 | – |
| 32 | 148B5576 | 148B5577 | 148B5578 | 148B5579 | 148B5593 | 148B5594 | 148B5580 | 148B5581 | 148B5582 | 148B5583 | – |
| 40 | 148B5652 | 148B5653 | 148B5654 | 148B5655 | 148B5681 | 148B5682 | 148B5656 | 148B5657 | – | – | – |
| 50 | 148B5741 | 148B5742 | 148B5743 | 148B5744 | 148B5759 | 148B5760 | 148B5745 | 148B5746 | – | – | – |
| 65 | 148B5816 | 148B5817 | – | 148B5819 | 148B5816 | 148B5817 | – | – | – | – | – |
| 80 | 148B5912 | 148B5913 | 148B5914 | 148B5915 | 148B5912 | 148B5913 | – | – | – | – | – |
| 100 | 148B6014 | 148B6015 | 148B6016 | 148B6017 | 148B6033 | 148B6034 | – | – | – | – | – |
| 125 | 148B6112 | 148B6113 | 148B6114 | 148B6115 | 148B6133 | 148B6134 | – | – | – | – | – |
Complete top parts including gaskets and bolts
| Size (DN) | Top complete FIA | Insert 100µ (150 mesh) | Insert 150µ (100 mesh) | Insert 250µ (72 mesh) | Insert 500µ (38 mesh) | Pleated 150µ (100 mesh) | Pleated 250µ (72 mesh) | Pleated 500µ (38 mesh) |
|---|---|---|---|---|---|---|---|---|
| 15-25 | 148B5284 | 148H3122 | 148H3124 | 148H3126 | 148H3128 | 148H3303 | – | – |
| 32-40 | 148B5484 | 148H3123 | 148H3125 | 148H3127 | 148H3129 | 148H3304 | 148H3269 | – |
| 50 | 148B5748 | 148H3157 | 148H3130 | 148H3138 | 148H3144 | 148H3179 | 148H3184 | 148H3189 |
| 65 | 148B5832 | – | 148H3131 | 148H3139 | 148H3145 | 148H3180 | 148H3185 | 148H3190 |
| 80 | 148B5922 | – | 148H3119 | 148H3120 | 148H3121 | 148H3181 | 148H3186 | 148H3191 |
| 100 | 148B6024 | – | 148H3132 | 148H3140 | 148H3146 | 148H3182 | 148H3187 | 148H3192 |
| 125 | 148B6122 | – | 148H3133 | 148H3141 | 148H3147 | 148H3183 | 148H3188 | 148H3193 |
Accessories (FIA)
| Part | Accessory for | Code no. |
|---|---|---|
| Magnet insert | FIA 80-100 | 148H3447 |
| Magnet insert | FIA 125-200 | 148H3448 |
| Filter element µ150 with removable µ50 element for the first start up | FIA 15-20 | 148H3301 |
| Filter element µ150 with removable µ50 element for the first start up | FIA 25-40 | 148H3302 |
| Filter bag | FIA 50 | 148H3150 |
| Filter bag | FIA 65 | 148H3151 |
| Filter bag | FIA 80 | 148H3152 |
| Filter bag | FIA 100 | 148H3153 |
| Filter bag | FIA 125 | 148H3154 |
| Filter bag | FIA 150 | 148H3155 |
| Filter bag | FIA 200 | 148H3156 |
| Complete relief valve assembly | – | 148B3745 |
| Blind nut with gasket | FIA 50-300 | 148H3450 |
| Special filter element 50µ for CO2 applications | FIA 15-20 | 032F9113 |