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Flow Control Valves

FC12-20 — Flow Control with Reverse Flow Check
   Selection guide - similar valves.
  PDF file of this page.
  STP file for FC12-20.
  Request a quote.

FC12-20 Valve

SYMBOL:
FC12-20 Valve symbol

 DESCRIPTION
A screw-in, cartridge-style, variable orifice, hydraulic flow control valve with reverse flow check.

OPERATION
The FC12-20 adjusts flow passage from 2 to 1 to full open with counterclockwise rotation.
The cartridge has a fully guided check which is spring-biased closed until sufficient pressure
is applied at 1 to open to 2.

FEATURES
• Adjustments cannot be backed out of the valve.
• Desired settings may be locked down.
• Hardened parts for long life.
• Aluminum knob option.
• Positive shut-off.
• Linear adjustment.
• Cost-effective cavity.

RATINGS
Operating Pressure: 241 bar (3500 psi)
Flow: 129 lpm (34 gpm) nominal at 9.7 bar (140 psi) at full open 4.2 turns
Internal Leakage: 0.15 cc/minute (3 drops/minute) max. at 240 bar (3500 psi)
Adjustment Torque Required: 0.17 Nm (1.5 inch-pounds) at 6.9 bar (100 psi);
   16.9 Nm (150 inch-pounds) at 207 bar (3000 psi)
Temperature: -40° to 100°C (-40° to 212°F) with Buna seals;
   -26° to 204°C (-15° to 400°F) with Fluorocarbon seals
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: VC12-2; See page 9.112.1_2w
Cavity Tool: CT12-2xx; See page 8.600.1
Seal Kit: SK12-2x-M; See page 8.650.1

PERFORMANCE:

FC12-20 Flow Pressure

DIMENSIONS:
FC12-20 Dimensions

MATERIALS:

Cartridge: Weight: 0.20 kg. (0.45 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: 0.57 kg.
(1.25 lbs.); Anodized high-strength 6061
T6 aluminum alloy, rated to 207 bar
(3000 psi); Ductile iron bodies available;
dimensions may differ.
See page 8.012.1_2w.		  

ORDERING CHART:

FC12-20 Ordering Chart

Selection guide - similar valves.
 PDF file of this page. STP file for FC12-20 Request a quote.