180VALVE-BU-ENG-1987.pdf 02/17
(Issue 17)
180 Series
Rotary Shear Directional Control Valve
180 Series
Rotary Shear Directional Control Valve
Milwaukee, WI 53235, USA
Tel: +1 (414) 769-6400
sales-us@webtec.com
St. Ives, Cambs. PE27 3LZ, UK
Tel: +44 (0) 1480 397 400
sales-uk@webtec.com
www.webtec.com
Certicate No.8242
Hydraulic measurement and control
Features
l 6 centre conditions
l 3 position / 2 position
l Flow throttling capability
l Zero leakage
l Spring to centre or detent
action
l Position lock version
available (button or
removable key type)
l Pressurised tank port with
additional drain available
l Express build available
(single unit orders)
The 180 series of high-pressure aluminium hydraulic rotary shear directional
control valves are the ideal solution for control of hydraulic actuators on mobile
and industrial applications where internal leakage must be minimised. The valves
utilise an optically at rotary spool with pressure loaded seats, to ensure either
zero or near zero leakage. They have excellent tolerance to contaminates.
Porting:
See Table 2, ordering codes
Material:
Steel components in an Aluminium body. Nitrile rubber (NBR) seals.
Weight:
Typically 1.4 kg, 3 lbs
Mounting:
See tables 2 & 4, ordering codes
Symbol:
e.g 183
A B
P T
Up to
l
38 lpm, 10 US gpm
l
700 bar, 10,000 psi
Ordering Codes Typical Code 180 - E 2 F - A
Valve Model (Table 1)
Porting (Table 2)
Flow Size (Table 3)
Handle Type and Rotor Action (Table 4)
Non Standard Options (Table 5)
Only use designator if required
Code Handle Type Action
D Straight Detented Action
E Straight Spring Centred Action *
4
F Bent 18° Detented Action + Panel Mount *
5
G Bent 18° Spring Centred Action *
4
+ Panel Mount *
5
Table 4: Handle Type & Rotor Action
Code Symbol
A
PT
A
PT
PT
AB
PT
AB
PT
AB
PT
AB
180*
1
181*
1
182
183
185
187
Table 1: Valve Model
Table 3: Flow Size
Code Max. ow Max. pressure *
3
Pressure drop curve Throttle capability
0 15 lpm, 4 US gpm 700 bar, 10,000 psi *
3
A No
1 26.5 lpm, 7 US gpm 350 bar, 5,000 psi B Yes
2 38 lpm, 10 US gpm 207 bar, 3,000 psi C Yes
Code Port size
L 9/16” -18UN #6 SAE ORB
E 3/8” NPTF *
2
T 3/8” BSPP
C 014 O’ ring Manifold mount
A 014 O’ ring
M CETOP3 interface Manifold mount *
3
U D03 interface Manifold mount *
3
Table 2: Porting
*
1
Models 180 & 181 are 3 port congurations. Port B
plugged. Not available with porting codes C, A, M,
or U (Table 2)
*
3
Maximum pressure for valve with port codes M & U is 450 bar (6500 psi)
*
2
All NPTF threads are to ANSI B1.20.3 -1976 Class 1. As stated in the standard
it is recommended that “sealing is accomplished by the means of a sealant
applied to the thread”. NPT ttings may also be used to connect to NPTF ports
(also with a sealant applied to the thread)
*
4
The performance of the spring return on the 15 lpm, 4 US gpm version is compromised above 207 bar, 3000 psi
*
5
Panel mount option is not available with port codes C, M, or U (Table 2).
Code Function (and any combination of these features)
A Tank port pressurised. Additional 1/8”NPTF drain. *
6
B 8 port version - side ports with additional
4 x bottom ports *
7
C
2 Position Valve. Cente & right position only
D
2 Position Valve. Centre & left position only
E 18° Bent Handle (for non-panel mount options)
F Position lock with push button*
8
G Position lock with removable key*
8
Table 5: Non Standard Options (see Page 6)
*
6
Not available with Position Lock version (codes F & G, Table 5) See
page 6 for updated hydraulic symbols.
*
7
Only available with port codes L, E, or T (SAE, NPTF, or BSPP - Table 2)
*
8
Only available with detent action (see Table 4).
PT
AB
188
0
5 10
15
20 25
5
10
15
20
25
30 35
0
Flow (lpm)
Pressure Drop (bar)
Typical Pressure Drop Curve #
A
B
C
50
100
200
300
400
Pressure Drop (psi)
2.5
5 7.5 10
Flow (US gpm)
# Test Conditions: Using ISO32 Oil at 45°C, 113°F,
207 bar, 3,000 psi
Porting Codes E, L, & T Porting Code A
P
A
T
B
P
A
T
B
CETOP3/D03 interface Manifold mount type (M & U, Table 2 of Order Code)
These manifold mount valves have interfaces compatible with CETOP3/D03 standards. The end user should note
that the overall width of the valve assembly exceeds that required by the standard.
CETOP3 (M) type is supplied with 4 x M5 steel cap head screws.
D03 (U) type is supplied with 4 x #10-24UNC steel cap head screws.
Both port types are supplied with 4 x BS ISO 3601, AS568A – 011 NBR O’ rings, & with additional instructions.
Leakage between ow paths.
Closure tests with low pressure air (82 psi) were conducted on Webtec’s 180 Series of rotary directional control valves.
Flow size 0 with non-interow was found to have no visually detectable leakage for the duration of the test (60 seconds).
Flow sizes 1 & 2 with interow were found to have a leakage of 1.67x10
-4
lpm which equates to less than 1 drop of water
every 10 minutes.
Note: The performance of the valve in terms of leakage across paths is adversely aected by a reduction in uid viscosity
Handle Position
The handle can be re-assembled through 180 degrees.
This minimizes the pitch between banked valves (16mm, 0.63” straight handle, 14mm, 0.55” bent handle)
Tank Port Pressure
Maximum tank port pressure 17 bar, 250 psi, unless ‘Tank port pressurised’ option ordered. See table 5, ordering codes.
Optional Express Build - 7 working-day lead-time
Available on ALL single-unit orders, subject to conrmation at time of order, maximum 7 working days from receipt
of order to dispatch, surcharge applies.
Porting Code C
P
A T
B
Porting Codes M & U
P
A
T
B
Left position
Right position
Centre position 180 degrees
16
(0.63”)
16
(0.63”)
A
P
B
T
4 x Standard mount holes.
5/16”-18UNC x 32mm (1.26”) deep
SAE / NPTF / BSPP (order codes L, E, T)
with standard mount & straight handle
014 O’ ring (order code A)
with panel mount & bent handle
Installation Details
Dimensions in millimetres (Inches)
P
T
B
A
4 x 5/16”-18UNC x 11mm (0.43”) deep
mounting holes
See Standard / Panel mount template
Bent Handle
4 x counter bores supplied with BS ISO3601 , AS568A
-014 O’ rings (NBR)
See Standard / Panel mount template See 014 O’ ring Template
Left Position (P to B)
Centre
Position
Right Position (P to A)
Total
Travel
90°
4 Panel mount holes.
5/16”-18UNC x 8mm (0.3”) deep
4 x Side ports (SAE, NPTF, or BSPP)
35.0
(1.38”)
35.0
(1.38”)
146.1
(5.75”)
82.0 (3.23”)
82.8 (3.26”)
110.1 (4.33”)
130.6 (5.14”)
Ø50.3
(1.98”)
18°
148.7
(5.85”)
82.0
(3.23”)
82.0
(3.23”)
115.7
(4.56”)
100.6
(3.96”)
18.0 (0.71”)
70.0 (2.76”)
35.0 (1.38”)
35.0
(1.38”)
70.0
(2.76”)
Webtec reserve the right to make improvements and changes to the specication without notice
014 O’ ring Manifold mount
(order code C)
Standard / Panel Mount Template
4 x mounting holes
Ø 52.0 (2.05”) required
hole for top cap -
Panel mount only
Supplied with 4 x 5/16”-18UNC through bolts,
washers, & nuts.
4 x counter-bores with supplied BS ISO 3601, AS568A -014
O’ rings (NBR)
P
B
T
A
014 O’ ring /1/4” NPTF bottom port Template
4 x mounting holes
4 x 014 O’ ring or 1/4”
NPTF equi-spaced on
PCD 25.4 (1.00”)
P
T
B
A
Some dismantling & re-assembly is required for installation.
See 014 O’ ring manifold mount installation details below.
Installation Details
Dimensions in millimetres (Inches)
See 014 O’ ring template
CETOP3/D03 Template
Note: The valve assembly exceeds the maximum width
required by CETOP3/D03 standards
CETOP3 / D03 interface Manifold mount
(order codes M & U)
CETOP3 supllied with 4 x M5 x 25mm
D03 supplied with 4 x #10-24UNC x 1”
Perimeter
of valve
CETOP3/D03
maximum
valve width
See CETOP3/D03 Template
4 x counter-bores with supplied BS ISO 3601, AS568A -011 O’
rings (NBR)
P
B
T
A
Some dismantling & re-assembly is required for installation.
See supplied instruction leaet
The valve is pre-assembled for test using 4 x 5/16”-18UNC
through bolts, with nuts and washers. Some dismantling is
required for installation, during which care should be taken
not to allow debris to enter the valve. This requires a 13mm
(1/2”) A/F spanner and 13mm (1/2”) hexagon bit.
To ensure correct operation, the valve re-assembly
tightening torque to be used is 23Nm, 7lbft
014 O’ ring Manifold mount Installation details
18.5 (0.73”)
110.1
(4.33”)
110.1
(4.33”)
10.4 (0.41”)
10.0
(0.39)
43.0
(1.69)
10.0
(0.39)
50.0
(1.97)
51.0
(2.01)
10.0
(0.39)
9.0
(0.35)
13.5
(0.53)
47.63
(1.875)
47.63
(1.875)
47.63
(1.875)
47.63
(1.875)
Note:
Updated hydraulic symbols for valve with pressurised tank port &
additional drain
1/8” NPTF drain.
This side (port A)
only.
T
P
B
A
T
P
B
A
T
P
B
A
T
P
B
A
T
P
B
A
T
P
B
A
181
183
185
184
182
180
187
188
T
P
A
T
P
A
Option A - tank port pressurised with additional drain
Port T can now be used at full system working pressure
(depending on ow size. Maximum tank line pressure
now applies to the drain port. The drain port must not be
plugged.
See 1/4” NPTF bottom port Template on page 5
4 x 1/4” NPTF bottom ports.
supplied plugged
For type C
This Travel ONLY
Left Position (P to B)
Centre
Position
Right Position (P to A)
For type D
This Travel ONLY
45°
45°
Options C & D - 2 position. Centre and right only
(order code C) or Centre and left only (order code D)
Option B - 8 port valve. Side ports
(SAE, NPTF, or BSPP) with additional 4 x bottom ports on PCD
Side View
Plan view
Webtec reserve the right to make improvements and changes to the specication without notice
Non-Standard Options (order code table 5)
T
P
B
A
T
P
B
A
18°
Option E - Bent handle
Available for non panel mount versions
Options F & G – 180 valve with position lock.
AISI 303 stainless steel plunger in zinc-plated steel threaded body.
Some black technopolymer external parts
Lock in any of the three positions.
Push button (or key) down and twist clockwise to lock.
Push button (or key) down and twist anti-clockwise to unlock.
Option F - Button type.
Option G - Key type
(key removable).
57.0 (2.24”)
35.0
(1.38”)
