Fujikoki F series · J series
Refrigeration & Transport Expansion Valves
Our product range includes expansion valves for buses and refrigerated trucks. FWE, FFE and JBE are flare-connection thermostatic expansion valves that can also be used in hot gas defrost cycles.

F series · Flare
FWE Thermostatic Expansion Valve
- Capacity
- 0.35–17.6 kW
- Pipe sizes
- 3 sizes, 6.35–15.88 mm
- Refrigerants
- R134a, R407C, R404A, R410A

F series · Flare · Build-to-order
FFE Thermostatic Expansion Valve
- Capacity
- 1.1–17.6 kW
- Pipe sizes
- 2 sizes, 6.35–12.70 mm
- Refrigerants
- R134a, R407C, R404A, R410A

J series · Flare
JBE Thermostatic Expansion Valve
- Capacity
- 10.6–105.5 kW
- Pipe sizes
- 3 sizes, 9.52–19.05 mm
- Refrigerants
- R134a, R407C, R404A, R410A
Compare
| Type | Capacity | Pipe inlet × outlet | Equalization | Max. working pressure | Weight | Note |
|---|---|---|---|---|---|---|
| FWE | 0.35–17.6 kW | 6.35 (1/4) × 12.70 (1/2) 9.52 (3/8) × 12.70 (1/2) 12.70 (1/2) × 15.88 (5/8) | Internal / External | 1.47 MPaG (R134a / R407C / R404A) | 330 / 340 g | Flare · 3 pipe sizes |
| FFE | 1.1–17.6 kW | 6.35 (1/4) × 12.70 (1/2) 9.52 (3/8) × 12.70 (1/2) | Internal / External | 1.47 MPaG (R134a / R407C / R404A) | 290 / 300 g | Compact · build-to-order |
| JBE | 10.6–105.5 kW | 9.52 (3/8) × 12.70 (1/2) 12.70 (1/2) × 15.88 (5/8) 15.88 (5/8) × 19.05 (3/4) | External | 2.75 MPaG (R134a / R407C / R404A) | 540 / 850 g | Medium capacity · ø44 / ø60 diaphragm |
Internal equalization JBE models are available only on a build-to-order basis.
Evaporating temperature range
Same ranges for FWE, FFE and JBE. The last letter of the model number selects the range.
| Refrigerant | Wide (W) | Medium temperature (M) | Low temperature (L) |
|---|---|---|---|
| R134a | 10°C to -30°C | -1°C to -30°C | -18°C to -30°C |
| R407C | 10°C to -40°C | -1°C to -40°C | -18°C to -40°C |
| R404A | 10°C to -45°C | -1°C to -45°C | -18°C to -45°C |
| R410A | 10°C to -45°C | — | — |
How to read the model number
Models of the F series are displayed as shown below (example: FWE-E1534QW).
FWEType
EExternal equalization
15Capacity
34Pipe code
QRefrigerant
WEvap. range
Equalizing systemE is appended for external equalization.
Refrigerant codeR134a: Q · R22/R407C: H · R404A: N · R410A: G
Evaporating temperature rangeWide use: W · Medium temperature use: M · Low temperature use: L
Capacity & pipe codeRead them from the model list (for example “1534” = 5.3 kW, 9.52 × 12.70 mm).
Specifications: FUJIKOKI Product Catalog (2016), pages 7, 9 and 13–14.
Request a Quote
Send the model number, refrigerant and quantity.