DIRECTIONAL VALVES
HPD42-S61 HyPerformance™ Piloted 4-Way Spool
DESCRIPTION
A high pressure, spool-type, screw-in, cartridge-style, pilot-operated, hydraulic
directional valve.
OPERATION
When in neutral the HPD42-S61 allows flow between ports 2 and 3, and between ports
4 and 5. On remote pilot signal at 1, the valve’s spool shifts to allow flow between 3
and 4 while blocking 2 and 5. The spring chamber is vented to the tank through port
6. The vented spring chamber allows the valve to be fully pressurized at ports 1, 2, 3,
4 and 5 without affecting required pilot pressure. Pressure at port 6 will increase the
required pilot pressure at a 1:1 ratio.
FEATURES
• Hardened spool and cage for long life.
• All HyPerformance™ products are tested to the rigorous standards of the NFPA
specification T2.6.1 and are tested at a verification level of 90% and an assurance
of 99%
RATINGS
Operating Pressure: 350 bar (5075 psi); 10% cycle life: 420 bar (6090 psi)
Note: All HyPerformance™ products are tested for 900K cycles at 350 bar and
100K at 420 bar.
Proof Pressure: 690 bar (10000 psi)
Burst Pressure: 1380 bar (20000 psi)
Flow Rating: Up to 189 lpm (50 gpm) with seal options N, V and U with no flow
restriction; up to 189 lpm (50 gpm) with seal options NS, VS and US with flow
restriction from ports 2 to 3 of 132 lpm (35 gpm) maximum. See Performance Chart
Maximum Internal Leakage: at 350 bar (5075 psi) with 32 cSt oil:
HPD42-S61: 490 ml/minute (30 cu. in./minute)
HPD42-S61N: 640 ml/minute (40 cu. in./minute)
Temperature: -40 to 100°C (-40 to 212°F) with Buna N seals; -26 to 204°C (-15 to
400°F) with Viton seals; -54 to 107°C (-65 to 225°F) with Urethane seals
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: HVC42-S6; See page 9.142.1
Cavity Tool: HCT42-S6XX; See page 8.600.1
Seal Kit: HSK42-S6X-BMMMM (Buna N), HSK42-S6V-BMMMM (Viton),
HSK42-S6U-0000 (Urethane); See page 8.650.1
SYMBOL
PERFORMANCE
(Cartridge Only)
4.393.3
13.8/200
10.3/150
6.9/100
3.4/50
75
20
151
40
114
30
FLOW lpm/gpm
PRESSURE DROP bar/psi
Port 3 to 2 Port 3 to 4 and 4 to 5
32 cSt/150 sus oil at 40°C
189
50
HYDRAFORCE
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®
ISO:
OPEN TRANSITION OPTION:
Blue rectangles are links to other catalog pages.
Cartridge: Weight: 2.0 kg. (4.3 lbs.)
Steel with hardened work surfaces.
Zinc-plated exposed surfaces.
Ported Body: Weight 16.61 kg
(36.62 lbs). HyPerformance
TM
ductile iron (code 'D') standard.
Rated to 354 bar (5000 psi).
See page 8.042.1 Consult factory.
DIMENSIONS
MATERIALS TO ORDER
HPD42-S61
4.393.4
HPD42-S61 - __ __ - __ - __ __ __
Porting
Cartridge Only 0
1-1/4 in. BSP 10 BD
SAE 20 20 TD
*BSP Body; U.K. Mfr. Only
Bias Spring
160 11.0 bar (160 psi)
6.94
176.4
2.75
69.8
INCH
MILLIMETRE
0.50
12.7
2.15
54.7
4.75
120.7
8.25
209.6
3.45
87.7
6.05
153.7
0.59
15.1
2.75
69.8
2.50
63.5
5.00
127.0
2.00
50.8
4.00
101.6
Dia. 0.344 / 8.74
Mounting Holes,
Thru, 2 Places
0.50
12.7
M42 x 2 – 6g
0.75
19.1
0.75
19.1
1.99
50.4
ACROSS FLATS
TORQUE:
290 to 310 ft-lbs
394 to 420 Nm
ORIFICE DISC CANNOT BE USED
WITH THIS VALVE
due to HyPerformance™ cavity.
Seals
N Buna N (Std.)
V Fluorocarbon
U Urethane
NS Buna N w/Sealed Spool 1 to 2 only
VS Fluorocarbon w/Sealed Spool 1 to 2 only
US Urethane w/Sealed Spool 1 to 2 only
Note: Urethane seals recommended for operating
pressures above 241 bar (3500 psi)
Consult factory for additional seal options.
®
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Option
None Blank
Open Transition N
Blue rectangles are links to other catalog pages.
