Fujikoki F series · Flare
Type FWE Thermostatic Expansion Valve
Has flare connection and can be used for hot gas defrost cycle as well. Evaporating temperature can be set according to the intended use.
Overview
This expansion valve can be used over a wide range of applications including cooling, air conditioning, refrigeration, freezing, and ecological equipment. It is also suitable for hot gas defrost cycle.
- Capacity
- 0.35–17.6 kW (nominal)
- Pipe sizes
- 6.35 (1/4) × 12.70 (1/2) mm (in)
9.52 (3/8) × 12.70 (1/2) mm (in)
12.70 (1/2) × 15.88 (5/8) mm (in) - Equalization
- Internal or external pressure equalization (E)
- Refrigerants
- R134a, R407C, R404A, R410A
- Also supported
- R448A, R449A, R407H, R463A-J
additionally supportable refrigerants listed in the current Fujikoki product lineup - Connection
- Flare
FWE model list
| Internal eq. | External eq. | kW | Pipe in × out mm (in) | R134a | R407C | R404A | R410A | A | B | Quote |
|---|---|---|---|---|---|---|---|---|---|---|
| FWE-124□□ | FWE-E124□□ | 0.35 | 6.35 (1/4) × 12.70 (1/2) | – | ※ | – | – | 45 | 48 | Quote |
| FWE-224□□ | FWE-E224□□ | 0.7 | – | ※ | – | – | Quote | |||
| FWE-324□□ | FWE-E324□□ | 1.1 | ○ | ○ | ○ | – | Quote | |||
| FWE-524□□ | FWE-E524□□ | 1.8 | ○ | ○ | ○ | ※ | Quote | |||
| FWE-1024□□ | FWE-E1024□□ | 3.5 | ○ | ○ | ○ | ※ | Quote | |||
| FWE-1524□□ | FWE-E1524□□ | 5.3 | ○ | ○ | ○ | ※ | Quote | |||
| FWE-134□□ | FWE-E134□□ | 0.35 | 9.52 (3/8) × 12.70 (1/2) | – | ※ | – | – | 45 | 47 | Quote |
| FWE-234□□ | FWE-E234□□ | 0.7 | – | ※ | – | – | Quote | |||
| FWE-334□□ | FWE-E334□□ | 1.1 | ○ | ○ | ○ | – | Quote | |||
| FWE-534□□ | FWE-E534□□ | 1.8 | ○ | ○ | ○ | ○ | Quote | |||
| FWE-1034□□ | FWE-E1034□□ | 3.5 | ○ | ○ | ○ | ○ | Quote | |||
| FWE-1534□□ | FWE-E1534□□ | 5.3 | ○ | ○ | ○ | ○ | Quote | |||
| FWE-2034□□ | FWE-E2034□□ | 7.0 | ○ | ○ | ○ | ○ | Quote | |||
| FWE-2534□□ | FWE-E2534□□ | 8.8 | ○ | ○ | ○ | ○ | Quote | |||
| FWE-3034□□ | FWE-E3034□□ | 10.6 | ○ | ○ | ○ | ○ | Quote | |||
| FWE-4034□□ | FWE-E4034□□ | 14.1 | – | ○ | – | ○ | Quote | |||
| FWE-5034□□ | FWE-E5034□□ | 17.6 | – | ○ | – | – | Quote | |||
| FWE-2045□□ | FWE-E2045□□ | 7.0 | 12.70 (1/2) × 15.88 (5/8) | ○ | – | ○ | – | 47 | 49 | Quote |
| FWE-2545□□ | FWE-E2545□□ | 8.8 | ○ | – | ○ | – | Quote | |||
| FWE-3045□□ | FWE-E3045□□ | 10.6 | ○ | ○ | ○ | – | Quote | |||
| FWE-4045□□ | FWE-E4045□□ | 14.1 | – | ○ | – | – | Quote | |||
| FWE-5045□□ | FWE-E5045□□ | 17.6 | – | ○ | – | – | Quote |
○Listed in the catalog※Build-to-order–Not listed for this refrigerant□□ = refrigerant code + evaporating temperature code (see below)Dimensions in mm
Specifications
| Adjustment range of static superheat | 1°C to 7°C (usually, adjustment is unnecessary — do not spin the adjusting nut) |
|---|---|
| Factory default setting | Static superheat: 3.5°C to 4.5°C |
| Maximum working pressure | R134a / R407C / R404A: 1.47 MPaG — R410A: 3.3 MPaG |
| Airtightness pressure | R134a / R407C / R404A: 1.67 MPaG — R410A: 3.4 MPaG |
| Withstand pressure | R134a / R407C / R404A: 4.42 MPaG — R410A: 4.5 MPaG |
| Charge system | Gas cross charge |
| Maximum ambient temperature | 120°C |
| Connection | Flare |
| Weight | 330 g (internal pressure equalization), 340 g (external pressure equalization) |
| Capillary / thermal sensing bulb | ø2.4 × 1000 mm / ø12.7 × 90 mm |
Evaporating temperature 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 | — | — |
Dimensions
Drip-proof cover for type FWE
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).
Notes
- Do not allow pressure higher than the airtightness pressure to be applied to the expansion valve when checking the airtightness of the piping.
- When using the R410A-compatible valve in a heat pump circuit, install the thermal sensing bulb and external equalizing tube between the 4-way valve and the accumulator (at the inlet side of the compressor).
- The R407C-compatible valve is designed on the basis of an R22-compatible obsolete model, so its values may differ slightly from those listed.
- For mounting the thermal sensing bulb, see installation tips.
Specifications: FUJIKOKI Product Catalog (2016), page 7; additional refrigerants: Fujikoki product lineup (fujikoki.co.jp).
Need a quote for FWE?
Send the model number (or capacity, refrigerant and pipe size) and the quantity.