DAFC12-20 Flow Control

DESCRIPTION

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

OPERATION

The DAFC12-20 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.

RATINGS

Operating Pressure:240 bar（3500 psi）

Flow:See Performance Chart
Internal Leakage: 0.15 ml/minute (3 drops/minute) max. at 240 bar (3500 psi)
Adjustment Torque Required: 7.0 bar (100 psi): 0.17 Nm (1.5 lb.-in.) 207 bar (3000 psi): 16.9 Nm (150 lb.-in.)
Bias Spring：1.4 bar（20 psi）
Temperature:-40℃～ 120℃
Fluids:Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 ssu)

Cavity：