Needle Valve
Series NVH101
Catalog HY15-3501/US
FC9
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Parker Hannifin Corporation
Hydraulic Cartridge Systems
Technical Information
Performance Curves
Flow vs. Inlet Pressure (Through cartridge only)
General Description
Cartridge Style Needle Valve. For additional
information see Technical Tips on pages FC1-FC4.
Features
•
Hardened, precision ground parts for durability
•
Compact size for reduced space requirements
•
Fine adjustment needle option available for precise
adjustment
•
Polyurethane “D”-Ring eliminates backup rings and
prevents hydrolysis
•
Valve meters flow in either direction, but (2 to 1) is the
preferred direction for lowest leakage at shut off
•
All external parts zinc plated
Specifications
Rated Flow Fixed 60 LPM (16 GPM)
Adjusted 60 LPM (16 GPM)
Maximum Inlet 380 Bar (5500 PSI)
Pressure
Cartridge Material All parts steel. All operating
parts hardened steel.
Operating Temp. -45°C to +93.3°C (“D”-Ring)
Range/Seals (-50°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO Code 16/13,
SAE Class 4 or better
Approx. Weight .18 kg (0.4 lbs.)
Cavity C10-2
(See BC Section for more details)
Form Tool Rougher None
Finisher NFT10-2F
(2)
(1)
COARSE
ADJUSTMENT
(2)
(1)
FINE
ADJUSTMENT
(2)(1)
Flow (Q)
23
6
7.6
2
15
4
LPM
GPM
0
30
8
38
10
45
12
53
14
61
16
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
100
200
500 34.5
20.7
27.6
6.9
13.8
300
400
PSI Bar
Pressure Drop ( P)
1 Turn
2 Turns
4 Turns
Full Open
3 Turns
Coarse
Adjustment
Flow (Q)
23
6
7.6
2
15
4
LPM
GPM
0
30
8
38
10
45
12
53
14
61
16
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
100
200
500 34.5
20.7
27.6
6.9
13.8
300
400
PSI Bar
Pressure Drop ( P)
1 Turn
5 Turns
4 Turns
Full Open
6 Turns
3 Turns
Fine
Adjustment
2 Turns