Flow Woodward R Ddv How To Order 1505492257 Part Number, Jan 22, 2010 User Manual

Woodward R-Ddv How To Order-1505492257 WOODWARD_R-DDV_HOW_TO_ORDER-1505492257

2017-10-06

User Manual: Flow Woodward R-Ddv How To Order-1505492257

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R-DDV



SERVOVALVE PART NUMBER SYSTEM
basic part number

Example Part Number:

options

27A50F - 3D01 G - 999
Options: Spool Lap

Basic Configurations
Model

27A50F
27B50F
27C20F
27E50F
27G50F

Code

Std Elec Connection
0.48”
.938” X 1.032”
4-wire shielded cable
------ D03 ------4-wire shielded cable
0.78”
1.344” X 1.688”
4-wire shielded cable
0.875”
1.750” X 2.562” 4-pin MS 3102 connector
1.75”
2.375” X 3.625” 4-pin MS 3102 connector

Port Circle

Bolt Pattern

Option

Std machined Overlap, electrically compensated
to apparent Zero-lap (27A and 27C only)
-999
Flow ground to Zero-lap (cost adder 27A, 27C)
-998* Flow ground to 3% Underlap
-997* Std machined Overlap, no electrical
compensation for lap
-996* ‘Zero Flow’ shut-off at zero command
-995
10% Overlap, electrically compensated to
apparent Zero-lap (cost adder 27A, 27C)
-8XX* No Internal Fuse
-XXX* Contact WHRT for other special considerations
Blank

* at additional cost

O-Ring Material
Code

Description

A*
V*

Nitrile (std config)
Ethylene Propylene
Viton

Electrical Commands
Code Command

01
02
03
04
05*
06
07*
08*
09*

* at additional cost

Options: Leadwire / Connector*

Code Command

± 5 Volts
± 10 Volts
± 5 mA
± 50 mA
0 to + 10 Volts
± 40 mA
± 2 Volts / ± 5 mA
± 3 Volts / ± 7.5 mA
± 5 Volts / ± 12.5 mA

10
11
12
13*
14
15*
16*
17*
18*

Code

Description

Blank
See ‘Basic Configurations’ Table
Models 27A50F, 27B50F and 27C20F
G
In line 4-pin MS 3102 connector
A – F, H Contact WHRT for description
Models 27E50F and 27G50F
J
6-pin MS 3102 connector

4 to 20 mA
± 10 mA
± 8 mA
± 12 mA
± 20 mA
± 10 Volts / ± 20 mA
± 2.5 Volts
± 100 mA
± 2.5 Volts / ± 6.2 mA

* at additional cost for other than ‘Basic’

* at additional cost

Flow Rate
Model 27A50F
Code gpm*

0M
1E
2F
3D
4K

0.18
0.4
0.9
1.8
3.5

scfm** C Factor*** Max Pressure

0.45
1.0
2.0
4.0
8.0

0.008
0.018
0.036
0.071
0.14

5000 psi
5000 psi
5000 psi
5000 psi
5000 psi

Std Lap

5% UL
5% UL
1% OL
10% OL
10% OL

1A
2B
3C
4D
5E
6F
7G

0.2
0.6
1.2
2.5
5.0
8.0
11.0

scfm** C Factor***

0.5
1.5
3.0
6.0
11.5
18
25

Code gpm*

3B
4D
5K

5.0
8.0
10.5

0.009
0.027
0.054
0.11
0.21
0.32
0.45

Max Pressure

5000 psi
5000 psi
5000 psi
5000 psi
3000 psi
2000 psi
1000 psi

* 4-way flow rating with hydraulic oil at 1000 psid

scfm**

11.5
18
24

C Factor*** Max Pressure

0.21
0.32
0.43

3000 psi
2000 psi
1000 psi

Std Lap

10% OL
10% OL
10% OL

Model 27E50F
Code gpm*

Model 27B50F
Code gpm*

Model 27C20F

3B
4A

10.0
15.0

scfm**

C Factor***

Max Pressure

23
34

0.41
0.61

5000 psi
5000 psi

scfm**

C Factor***

Max Pressure

46
68
92
136

.82
1.22
1.64
2.44

5000 psi
5000 psi
5000 psi
3000 psi

Model 27G50F
Code gpm*

1F
3F
5F
9F

20.0
30.0
40.0
60.0

** 4-way flow rating with air at 100 psig

*** Per orifice

R-DDV Part Number, Jan 22, 2010.doc



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