Created on 06/15/2015
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2015 Sun Hydraulics Corporation See www.sunhydraulics.com for detailed product information 1 of 1
MODEL
NFAB
Fully adjustable needle valve - pilot capacity
SERIES P / CAPACITY: 0,8 L/min. (0,9 mm) / CAVITY: T-8A
Two-port, pilot-stage needle valves are fully adjustable devices used to regulate pilot flow in a main-stage valve or
to meter in/out flow in low flow applications. These cartridges are designed for pilot flow applications and utilize
Sun's T-8A cavity so they can be used in conjunction with Sun's pilot-operated, main-stage valves.
TECHNICAL DATA
Maximum Operating Pressure 350 bar
Adjustment - Number of Counterclockwise Turns - Fully Closed to Fully Open 3
Effective Orifice Size 0,9 mm
Seal kit - Cartridge Buna: 990-008-007
Seal kit - Cartridge Polyurethane: 990-008-002
Seal kit - Cartridge Viton: 990-008-006
(K)CONTROL
K Handknob
(X)MAXIMUM ORIFICE DIAMETER
X .03 in. (0,8 mm)
(N)SEAL MATERIAL
N Buna-N
E EPDM
V Viton
snhy.com/
NFAB
TECHNICAL FEATURES
Utilizes the Sun T-8A 2-port cavity making it the ideal choice to use in conjunction with Sun's main stage pilot or vent-to-operate cartridges. Separate pilot lines are
eliminated and only one cavity needs to be machined to accommodate both the control and primary function. Note: All 2-position, 2-way pilot stage control
cartridges utilize the same cavity and are physically interchangeable. Functionality is the only consideration.
Note: The main stage valve should first be installed to the correct torque value followed by the T-8A pilot control section into the main stage valve to its required
torque value.
Ports 1 and 2 may be pressured to 5000 psi (350 bar).
Needle adjusts from fully closed to fully open in three complete turns resulting in extremely fine resolution.
Adjustment mechanism equipped with locking device to maintain consistent orifice dia/flow rate.
Leakage rate at shutoff is less than 1 drop/min.
Model Code Example: NFABKXNCONFIGURATION OPTIONS
