FLOW CONTROLS
FC10-21 Flow Control
DESCRIPTION
A screw-in, cartridge-style, variable orifi ce, hydraulic fl ow control valve with reverse
fl ow check.
OPERATION
The FC10-21 increases its orifi ce value from fully closed to fully open with clockwise
adjustment rotation.
FEATURES
• Adjustments cannot be backed out of the valve.
• Desired settings may be locked down.
• Hardened parts for long life.
• Industry common cavity.
• Aluminum knob option.
• Positive shut-off.
• Linear adjustment.
RATINGS
Operating Pressure: 240 bar (3500 psi)
Flow: 57 lpm (15 gpm) nominal at 5.5 bar (80 psi) at full open 2.0 turns
Internal Leakage: 0.50 cc/minute (10 drops/minute) max. at shut-off
Adjustment Torque Required: 0.34 Nm (3 inch-pounds) at 7 bar (100 psi);
4.50 Nm (40 inch-pounds) at 207 bar (3000 psi)
Free Reverse Flow Check Bias Spring: See ordering information
Temperature: -40 to 120°C
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC10-2; See page 9.110.1 (Cavity Variation "A")
Cavity Tool: CT10-2XX; See page 8.600.1
Seal Kit: SK10-2X-M; See page 8.650.1
USASI: ISO:
SYMBOLS
PERFORMANCE (Cartridge Only)
5.212.1
6.9/100
5.2/75
3.4/50
1.7/25
18.9
5
37.9
10
56.8
15
FLOW lpm/gpm
PRESSURE DROP bar/psi
Full Open — ; Rev. Flow - - -
32 cSt/150 ssu oil at 40°C
75.8
20
HYDRAFORCE
.com
®
Blue rectangles are links to other catalog pages.
Cartridge: Weight: 0.17 kg. (0.37 lbs.)
Steel with hardened work surfaces.
Zinc-plated exposed surfaces.
Buna N O-rings and polyester
elastomer back-ups standard.
Anodized aluminum knobs.
Standard Ported Body: Weight:
0.16 kg. (0.35 lbs.). Anodized high-
strength 6061 T6 aluminum alloy,
rated to 207 bar (3000 psi). Ductile
iron bodies available; dimensions
may differ. See page 8.010.1
DIMENSIONS
MATERIALS
TO ORDER
FC10-21
5.212.2
FC10-21__ - __ __ __ - __ - __
Adjustment Option
1/4 in. Hex Allen Head A
1-1/2 in. Dia. Alum. Knob B
Option A with Cover Cap C
Top Knob with Lock Nut D
Top Knob Only E
Seals
N Buna N (Std.)
V Fluorocarbon
Porting
0 Cartridge Only
8T SAE 8
Spring Setting
05 0.34 bar (5 psid)
25 1.72 bar (25 psid)
55 3.78 bar (55 psid)
®
HYDRAFORCE
HYDRAFORCE
.com
®
Blue rectangles are links to other catalog pages.
