FXDC-XAN – Sun Hydraulics Fixed-orifice, pressure compensated flow control valve
Part number: FXDCXAN · FXDC-XAN · FXDC XAN
Fixed-orifice, pressure compensated flow control valve. Cavity T-5A, capacity 12 gpm (45 L/min.). Genuine Sun Hydraulics cartridge — MultiFlow is an authorized distributor.
FXDC-XAN overview
FXDCXAN (FXDC-XAN, FXDC XAN) is a Sun Hydraulics Sun Hydraulics Fixed-orifice, pressure compensated flow control valve, rated 12 gpm (45 L/min.) and installed in cavity T-5A. MultiFlow supplies genuine Sun Hydraulics cartridges in the UAE, GCC and India — use Add to Enquiry above for availability and a quotation.
Ordering codes
Pick the code that matches the material and finish you need. Add it to your enquiry above, or tap a code to select it.
| FXDCXAN/AP | Stainless Steel, PassivatedStainless Steel, Passivated |
|---|---|
| FXDCXAN | Standard Material/CoatingStandard Material/Coating |
Specifications
| Cavity | T-5A |
|---|---|
| Series | 2 |
| Capacity | 12 gpm (45 L/min.) |
| Maximum Operating Pressure | 5000 psi (350 bar) |
| Valve Hex Size | 1 1/8 in. (28,6 mm) |
| Valve Installation Torque | 45 - 50 lbf ft (61 - 68 Nm) |
| Adjustment Screw Internal Hex Size | 5/32 in. (4 mm) |
| Locknut Hex Size | 9/16 in. (15 mm) |
| Locknut Torque | 80 - 90 lbf in. (9 - 10 Nm) |
| Model Weight | .40 lb (0,20 kg) |
| Seal kit - Cartridge | Viton: 990203006 |
How to read FXDCXAN
Sun part numbers are the model followed by one code per option. Hyphens, slashes and spaces are only dividers, so FXDCXAN, FXDC-XAN, FXDC XAN are the same part.
| Model | FXDC — Sun Hydraulics Fixed-orifice, pressure compensated flow control valve |
|---|---|
| Control | X — Not Adjustable |
| Adjustment Range | A — .09 - .12 gpm (.34-.46 L/min.) |
| Seal Material | N — Buna-N |
| Material / coating | Add /AP (stainless steel, passivated) or /LH (mild steel, zinc-nickel) to the end; no suffix is the standard finish. |
Control options
- C — Tamper Resistant - Factory Set
- K — Handknob
- L — Standard Screw Adjustment
- X — Not Adjustable
Adjustment Range options
- A — .09 - .12 gpm (.34-.46 L/min.)
- B — .22 - .3 gpm (.85 - 1.15 L/min.)
- C — .45 - .61 gpm (1.70-2.30 L/min.)
- D — .67 - .91 gpm (2.55 - 3.45 L/min.)
- F — .84 - 1.14 gpm (3.19 - 4.31 L/min.)
- G — 1.03 - 1.4 gpm (3.91 - 5.29 L/min.)
- H — 1.26 - 1.7 gpm (4.76 - 6.44 L/min.)
- J — 1.55 - 2.09 gpm (5.87 - 7.94 L/min.)
- K — 1.91 - 2.58 gpm (7.23 - 9.78 L/min.)
- L — 2.36 - 3.19 gpm (8.93 - 12.08 L/min.)
- M — 2.92 - 3.95 gpm (11.50 - 14.95 L/min.)
- N — 3.59 - 4.86 gpm (13.60 - 18.40 L/min.)
- P — 4.4 - 5.95 gpm (16.66 - 22.54 L/min.)
- R — 5.5 - 7.44 gpm (20.83 - 28.18 L/min.)
- S — 6.73 - 9.11 gpm (25.50 - 34.50 L/min.)
- T — 8.3 - 11.23 gpm (31.45 - 42.55 L/min.)
- V — 10.1 - 13.66 gpm (38.25 - 51.75 L/min.)
Seal Material options
- L — Extended Temp. Buna
- N — Buna-N
- V — Viton
Material/coating options
- /AP — Stainless Steel, Passivated
- — Standard Material/Coating
Manifold & standard assemblies
Sun manifolds for cavity T-5A (106)
- CDX Sun Hydraulics ISO 08: T to A and B Sandwich manifoldFXDCXAN-CDX — request assembly
- DAA Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAA — request assembly
- DAB Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAB — request assembly
- DAC Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAC — request assembly
- DAD Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAD — request assembly
- DAI Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAI — request assembly
- DAJ Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAJ — request assembly
- DAK Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAK — request assembly
- DAL Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAL — request assembly
- DAT Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAT — request assembly
- DAU Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAU — request assembly
- DAV Sun Hydraulics Ninety degree Line mount manifoldFXDCXAN-DAV — request assembly
Technical features
- All 2-port flow control cartridges are physically and functionally interchangeable (i.e. same flow path, same cavity for a given frame size). However, cartridge extension dimensions from the mounting surface may vary.
- The sharp-edged orifice design minimizes flow variations due to viscosity changes.
- Customer must select a nominal flow setting range from the available options. Factory flow settings are within +/- 10% of the nominal flow setting for the “L” and “K” controls and within +/- 15% for the “X” control.
- The tunable control options, “L” control and “K” control, provide +/- 25% variation from the nominal factory pre-set flow. Turn the adjustment clockwise to increase flow and counterclockwise to decrease it.
- Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.
Drawings, symbol & performance curves
Downloads
Datasheet
Technical reference sheets
CAD files
Frequently asked questions
Is FXDCXAN the same as FXDC-XAN?
Yes. Sun Hydraulics writes this part number as FXDCXAN. It is the model FXDC followed by the configuration code; hyphens, slashes and spaces are only dividers, so FXDCXAN, FXDC-XAN, FXDC XAN all refer to the same product.
Do you supply FXDCXAN in the UAE, GCC and India?
Yes. MultiFlow supplies genuine Sun Hydraulics cartridges, including FXDCXAN, to customers in the UAE, the wider GCC and India. Use Add to Enquiry on this page for availability, lead time and a quotation.
Can I get the datasheet and CAD files?
Yes. The datasheet, technical reference sheets and CAD files (DXF, DWG, STP) are listed in the Downloads section of this page.
How big is a drop of hydraulic oil?
There are exactly 250 Sun drops in a cubic inch or 15 in a cc.
What is the pressure drop through a flow control?
In a meter-in flow control circuit if the pump is set at 3000 psi and the load is 2000 psi the drop through the flow control is 1000 psi. In a meter-out circuit with the load at 2000 psi the drop through the flow control is 2000 psi.
How accurate are Sun's flow controls?
We claim +/- 10%. We set to +/- 5% in production testing to allow for differences in customers' conditions. If you want accuracy, stay in the bottom 2/3rds of the range. Our 12 gpm (45 L/min.) flow controls are quite flat at 9 gpm (34 L/min.) and dead flat below 6 gpm (23 L/min.), until you get to the bottom of the range. Below about .25 gpm (1 L/min.), spool leakage and orifice conditions start to limit accuracy.
I have a heat problem, will Sun's priority flow control help?
I am afraid not. Unless you are overflowing your current valve and correctly size ours, you are not likely to notice any improvement. Priority flow controls are not efficient devices. They are an easy way to get more than 1 source of oil from 1 pump but they can generate a lot of heat. Try to size your actuators so the pressures are similar on both the priority and the bypass circuits. If you can't do that, try to have the lower flow leg be the lower pressure. The pump pressure is determined by whichever leg is higher and if there is flow that is taking a pressure drop that is not doing work it is creating heat.
What happens if I block the control flow (priority) port?
All flow is blocked, hence the term priority. The priority flow has to be satisfied.
What happens if I block the bypass port on a priority flow control?
The valve acts as a 2 port restrictive flow control.
What is the compensating pressure of Sun's flow controls?
The spring force in our flow controls equates to about 100 psi (7 bar). This is high enough to give the valves acceptable capacity and not too high for proper circuit operation. 100 psi (7 bar) is the spring force; at the upper end of the flow control's range, the drop through the valve will be as high as 250 psi (17 bar) before it starts modulating.
What parts of the Sun cartridge valve are field serviceable?
Manufacturer reference: https://www.sunhydraulics.com/model/FXDC
