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FD83 series quick-disconnect couplings
Danfoss Hansen FD83 Series Coupling Thermal Management
Danfoss Hansen FD83 couplings are designed for fluid transfer and electronics cooling applications where full flow, fluid compatibility and safety are essential.
FD83 series quick-disconnect couplings with a full-flow design, now available in a 2-inch size and additional configurations of the popular 1-inch size, are known globally for their performance and reliability.
Their turn-to-connect feature allows connections to be made without the risk of hose torsion or the need for additional adapters, which also prevents leaks due to incorrect assembly.
Danfoss Hansen FD83 Series Coupling Thermal Management
Danfoss Hansen FD83 quick-disconnect couplings
Danfoss Hansen′s FD83 coupling is designed for fluid transfer and electronics cooling applications where full flow, fluid compatibility and safety are essential. The FD83 identical halves include two interlock features to eliminate spills and ensure maximum safety. Valves cannot be opened until the coupling halves are mated and coupling halves cannot be disconnected until both halves are closed.
Product features
- Dual interlock safety feature eliminates accidental opening of coupling when disconnected with the use of a patented locking pin design and lever handle.
- Design provides reliable performance and no spillage during maintenance or service.
- Standard seal material: EPDM, additional material available on request
- Standard body material: 303 stainless steel
- Full flow coupling
- Color coded bumper seals are available
- Identical coupling halves
- Maintenance and service friendly
- 303 stainless steel material provides broad fluid compatibility
- Wide range of terminal end options
Physical Characteristics
Dimensions
| Part number |
Order number |
Body Size |
Port Size |
Thread |
Type |
Fig. n° |
| FD83-2052-16-16 |
FD83-2052-16-16 |
1 |
1 |
1-11-1/2 |
Female NPTF |
1 |
| FD83-2052-12-16 |
FD83-2052-12-16 |
1 |
3/4 |
3/4-14 |
Female NPTF |
1 |
| FD83-2046-16-16 |
FD83-2046-16-16 |
1 |
1 |
NA |
1" Hose Barb EHW194 hose |
2 |
| FD83-2092-16-16 |
FD83-2092-16-16 |
1 |
1 |
NA |
1" Hose Barb 90° EHW194 hose |
3 |
| FD83-2096-16-16 |
FD83-2096-16-16 |
1 |
1 |
1 5/16-12 |
Male ORB ISO 11926-3 |
5 |
| FD83-2140-16-16 |
FD83-2140-16-16 |
1 |
1 |
G1-11 |
Male BSPP ISO 1179-2 |
5 |
| FD83-2126-16-16 |
FD83-2126-16-16 |
1 |
1 |
G1-11 |
Female BSPP ISO 1179-1 |
1 |
| FD83-2128-16-16 |
FD83-2128-16-16 |
1 |
1 |
NA |
Sanitary Flange 1"-DIN32676/ISO2852/BS4825 |
4 |
| FD83-2126-32-32 |
FD83-2126-32-32 |
2 |
2 |
G2-11 |
Female BSPP ISO 1179-1 |
1 |
| FD83-2046-32-32 |
11349026 |
2 |
2 |
NA |
2" Hose barb EHW194 hose |
2 |
| FD83-2046-24-32 |
11349477 |
2 |
1 1/2 |
NA |
1 1/2" Hose Barb 90° EHW194 hose |
2 |
| FD83-2046-20-32 |
11349492 |
2 |
1 1/4 |
NA |
1 1/4" Hose Barb EHW194 hose |
2 |
| FD83-2128-32-32 |
FD83-2128-32-32 |
2 |
2 |
NA |
Sanitary Flange 2"-DIN32676/ISO2852/BS4825 |
4 |
| FD83-2052-32-32 |
FD83-2052-32-32 |
2 |
2 |
2-11-1/2 |
Female NPT |
1 |
| FD83-2092-32-32 |
11358296 |
2 |
2 |
NA |
2" Hose barb EHW194 hose |
6 |
| FD83-2175-32-32 |
11369532 |
2 |
2 |
G2-11 |
Male BSPP ISO 1179-3 |
5 |
| FD83-2168-16-16 |
11367128 |
1 |
1 |
N/A |
1" 1G Crimp |
8 |
| FD83-2170-16-16 |
11367142 |
1 |
1 |
N/A |
1" 1G Crimp |
7 |
| FD83-2170-32-32 |
11367130 |
2 |
2 |
N/A |
2" 1G Crimp |
7 |
| FD83-2168-32-32 |
11367129 |
2 |
2 |
N/A |
2" 1G Crimp |
8 |
Other end connections available upon request.
| Part Number |
Order Number |
Body Size |
Port Size |
Thread |
Type |
Fig. |
Dimensions A (mm) |
Dimensions B (mm) |
Hex (mm) |
| FD83-2052-16-16 |
FD83-2052-16-16 |
1 |
1 |
1-11-? |
Female NPTF |
1 |
95.5 |
71.6 |
41 |
| FD83-2052-12-16 |
FD83-2052-12-16 |
1 |
? |
?-14 |
Female NPTF |
1 |
70.1 |
71.6 |
41 |
| FD83-2046-16-16 |
FD83-2046-16-16 |
1 |
1 |
NA |
1” Hose Barb |
2 |
84.2 |
71.6 |
- |
| FD83-2092-16-16 |
FD83-2092-16-16 |
1 |
1 |
NA |
1” Hose Barb 90° |
3 |
125 |
71.6 |
- |
| FD83-2096-16-16 |
FD83-2096-16-16 |
1 |
1 |
1 5/16-12 |
Male ORB |
5 |
95.5 |
71.6 |
41 |
| FD83-2140-16-16 |
FD83-2140-16-16 |
1 |
1 |
G1-11 |
Male BSPP |
5 |
95.5 |
71.6 |
41 |
| FD83-2126-16-16 |
FD83-2126-16-16 |
1 |
1 |
G1-11 |
Female BSPP |
1 |
84.3 |
71.6 |
41 |
| FD83-2128-16-16 |
FD83-2128-16-16 |
1 |
1 |
NA |
Sanitary Flange 1” |
4 |
79.6 |
71.6 |
- |
| FD83-2126-32-32 |
FD83-2126-32-32 |
2 |
2 |
G2-11 |
Female BSPP |
1 |
122.4 |
105.3 |
70 |
| FD83-2046-32-32 |
11349026 |
2 |
2 |
NA |
2” Hose barb |
2 |
156.8 |
105.3 |
- |
| FD83-2046-24-32 |
11349477 |
2 |
1 ? |
NA |
1 1/2” Hose barb |
2 |
149.8 |
105.3 |
- |
| FD83-2046-20-32 |
11349492 |
2 |
1 ? |
NA |
1 1/4” Hose barb |
2 |
141.6 |
105.3 |
- |
| FD83-2128-32-32 |
FD83-2128-32-32 |
2 |
2 |
NA |
Sanitary Flange 2' |
4 |
102.4 |
105.3 |
- |
| FD83-2052-32-32 |
FD83-2052-32-32 |
2 |
2 |
2-11-? |
Female NPT |
1 |
122.4 |
105.3 |
70 |
Other end connections available upon request.
Part Number Order Number Body Size Port Size Thread Type Fig. Dimensions A (mm) Dimensions A (in) Dimensions B (mm) Dimensions B (in) Hex (mm) Hex (in) FD83-2052-16-16 FD83-2052-16-16 1 1 1-11-? Female NPTF 1 95.5 3.76 71.6 2.82 41 1.63 FD83-2052-12-16 FD83-2052-12-16 1 ? ?-14 Female NPTF 1 70.1 2.76 71.6 2.82 41 1.63 FD83-2046-16-16 FD83-2046-16-16 1 1 NA 1” Hose Barb 2 84.2 3.31 71.6 2.82 - - FD83-2092-16-16 FD83-2092-16-16 1 1 NA 1” Hose Barb 90° 3 125 4.92 71.6 2.82 - - FD83-2096-16-16 FD83-2096-16-16 1 1 1 5/16-12 Male ORB 5 95.5 3.76 71.6 2.82 41 1.63 FD83-2140-16-16 FD83-2140-16-16 1 1 G1-11 Male BSPP 5 95.5 3.76 71.6 2.82 41 1.63 FD83-2126-16-16 FD83-2126-16-16 1 1 G1-11 Female BSPP 1 84.3 3.32 71.6 2.82 41 1.63 FD83-2128-16-16 FD83-2128-16-16 1 1 NA Sanitary Flange 1” 4 79.6 3.13 71.6 2.82 - - FD83-2126-32-32 FD83-2126-32-32 2 2 G2-11 Female BSPP 1 122.4 4.82 105.3 4.15 70 2.76 FD83-2046-32-32 11349026 2 2 NA 2” Hose barb 2 156.8 6.17 105.3 4.15 - - FD83-2046-24-32 11349477 2 1 ? NA 1 1/2” Hose barb 2 149.8 5.90 105.3 4.15 - - FD83-2046-20-32 11349492 2 1 ? NA 1 1/4” Hose barb 2 141.6 5.57 105.3 4.15 - - FD83-2128-32-32 FD83-2128-32-32 2 2 NA Sanitary Flange 2’ 4 102.4 4.03 105.3 4.15 - - FD83-2052-32-32 FD83-2052-32-32 2 2 2-11-? Female NPT 1 122.4 4.82 105.3 4.15 70 2.76
Other end connections available upon request.
Flow data
Applications & Markets
- Data Centers
- Mobile Battery Cooling
- Thermal ManagementSystems
- Industrial Fluid Transfer
- Danfos FD83 fact sheet February 2026 PDF download - Latest Updated Version of FD83 Order Model, February 26, 2026
- Danfoss Hansen FD83 quick-disconnect couplings increase efficiency of data center liquid cooling applications
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