Fully adjustable needle valve with reverse flow check
Capacity:
Functional Group:
Products : Cartridges : Corrosion Resistant : Flow Control : 2 Port, Fully Adjustable
Needle with Reverse Flow Check
Model:
NCCA
Product Description
Needle valves with reverse-flow check are fully adjustable orifices used to regulate flow. They
are infinitely adjustable from fully closed up to the maximum orifice diameter. An integral high-
capacity check valve provides unrestricted flow from port 2 to port 1. They are not pressure-
compensated.
Technical Features
All 2-port flow control cartridges are physically and
functionally interchangeable (i.e. same flow path,
same cavity for a given frame size). However,
cartridge extension dimensions from the mounting
surface may vary.
Because needle valves are non-compensating
devices, the fixed orifice size will regulate flow
through the valve in proportion to the square root
of the pressure differential across ports 1 and 2.
Stainless steel cartridge options P or W are
intended for use within corrosive environments
with all external components manufactured in
stainless steel or titanium. Internal working
components remain the same as the standard
valves.
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.
Technical Data
U.S. Units Metric Units
Model Weight 0.31 lb. 0.14 kg.
Cavity T-13A
Series (from Cavity) Series 1
Valve Hex Size 7/8 in. 22,2 mm
Valve Installation Torque 30 - 35 lbf ft 45 - 50 Nm
Seal Kits Buna: 990-010-007
Seal Kits Viton: 990-010-006
Label
Control Reverse Flow Check
External Material/Seal
Material
Standard Options
K Handknob
L Standard Screw Adjustment
A 4 psi (0,3 bar)
B 15 psi (1 bar)
C 30 psi (2 bar)
D 50 psi (3,5 bar)
E 75 psi (5 bar)
F 100 psi (7 bar)
N Buna-N
P Stainless/Buna-N
V Viton
W Stainless/Viton
Control Reverse Flow Check External Material/Seal Material
Copyright © 2006-2007 Sun Hydraulics Corporation.
All rights reserved.
Terms and Conditions - ISO Certification - Statement of Privacy
