Created on 12/14/2016
c
2016 Sun Hydraulics Corporation See www.sunhydraulics.com for detailed product information 1 of 2
MODEL
DCFB
4-way, 2-position, pilot-to-shift, detented, directional valve
SERIES 4 / CAPACITY: 320 - 480 L/min. / CAVITY: T-64A
Two-position, detented, 4-way directional cartridges are 6-port directional valves that can be configured with up to 3
different spool options. The supply port is port 1 and all ports will accept 5000 psi (350 bar). Capacity for these pilot-
to-shift valves is dependent on the spool type specified.
TECHNICAL DATA
Cavity T-64A
Series 4
Capacity 320 - 480 L/min.
Maximum Operating Pressure 350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 30 cc/min.@70 bar
Pilot Volume Displacement 14 cc
Valve Hex Size 41,3 mm
Valve Installation Torque 474 - 508 Nm
Seal kit - Cartridge Buna: 990064007
Seal kit - Cartridge Polyurethane: 990064002
Seal kit - Cartridge Viton: 990064006
Model Weight 1.86 kg.
(X)CONTROL
X Standard Pilot
D Vent to Operate
(C)SPOOL CONFIGURATION
C Blocked Crossover
H Open Crossover
X P to B and A to T Crossover
(N)SEAL MATERIAL
N Buna-N
V Viton
snhy.com/
DCFB
TECHNICAL FEATURES
All ports will accept 5000 psi (350 bar), including the x and y pilot ports (port 5 and port 6).
Model Code Example: DCFBXCNCONFIGURATION OPTIONS
Created on 12/14/2016
c
2016 Sun Hydraulics Corporation See www.sunhydraulics.com for detailed product information 2 of 2
Leakage listed in technical data is for each path.
Hardened spool and sleeve provide consistent and low spool leakage rates and excellent wear characteristics.
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.
PERFORMANCE CURVES