Diagnostic Products
Quick Coupling Division
8145 Lewis Road • Minneapolis, MN 55427
www.parker.com/quickcouplings
F-23
F
Diagnostic
Port
Hex Interface
Part
Thread
Size
Thread Overall
Wt. (LB.)
No.
Size
(mm)
Size
Length P/Piece
A
B
C
D
EMA3/1/8NPT
1/8-27NPT 17 M16X2.0 1.81 0.15
EMA3/1/4NPT
1/4-18NPT 17 M16X2.0 1.98 0.16
EMA3/1/4NPT71 1/4-18NPT 17 M16X2.0 1.95 0.16
Stainless Steel
Port
Hex Interface
Part
Thread
Size Thread Overall
Wt. (LB.)
No.
Size
(mm)
size
Length P/Piece
A
B
C
D
EMA3/7/16-20UNF-2A* 7/16-20UNF-2A 17 M16X2.0 1.88 0.15
EMA3/9/16-18UNF-2A* 9/16-18UNF-2A 19 M16X2.0 1.88 0.17
* O-Ring seal on port
Test Port Couplings
EMA3 Series
Male Pipe Thread
SAE Straight Thread
Metric Straight Thread
British Parallel Pipe
Features
• Knurled sleeve allows simple twist-to-connect operation
without the use of tools
• Rugged design allows connect-under-pressure operation
up to 5800 psi
• Maximum rated working pressure of 9000 psi exceeds the
requirements of most applications
• Integral threaded dust cap protects the test point from
damage and contamination
• EMA fittings are machined from solid barstock and
protected with Chromium-6 Free plating.
• Stainless steel springs for corrosion resistance
• Elastomeric interface and valve seals provide leak free
operation
• Compact design and optional high pressure hose
assemblies provide flexibility for tight space requirements
D
C
A
B
D
C
A
B
D
C
A
B
D
C
A
B
Applications
EMA couplings provide easy diagnostic connections for
Parker SensoControl
®
equipment or mechanical gages. EMA
test points are typically permanently plumbed into a fluid
system at locations where pressure measurements are
required for maintenance or testing. Integral pressure cap
protects the test point from damage and prevents contam-
ination of the fluid system. Proven twist-to-connect design
allows the test points to be connected even when the system
is in operation and the test points are pressurized. EMA’s
compact design and optional high pressure hose assemblies
allow extra flexibility for the location of system test points.
Although designed primarily for diagnostic applications, EMA
fittings and hose assemblies are idea for a wide range of
applications that require compact high pressure connections
and limited flow rates.
Specifications
Body Size
1/8
Rated Pressure
(PSI)
9000 PSI
Max Connect-Under-Pressure
(PSI)
5800
Rated Flow
(GPM)
0.8
Body Material
Chromium-6 Free Plated Steel
Seal Material
(std.)
Nitrile/Fluorocarbon
Temperature Range
(std. seals)
-15° to +250° F
Port
Hex Interface
Part
Thread
Size Thread
Overall
Wt. (LB.)
No.
Size
(mm)
Size
Length P/Piece
A
B
C
D
EMA3/M8X1OR*
M8X1
17 M16X2.0
1.81 0.15
EMA3/10X1ED**
M10X1
17 M16X2.0
1.85 0.15
EMA3/12X1.5ED**
M12X1.5
17 M16X2.0
1.94 0.16
EMA3/14X1.5ED**
M14X1.5
19 M16X2.0
1.94 0.16
* O-Ring seal on port
** Molded seal on port
Port
Hex Interface
Part
Thread
Size Thread
Overall
Wt. (LB.)
No.
Size
(mm)
Size
Length P/Piece
A
B
C
D
EMA3/1/8ED**
1/8 BSPP 19 M16X2.0 1.77 0.15
EMA3/1/4ED**
1/4 BSPP 19 M16X2.0 1.94 0.16
EMA3/3/8ED**
3/8 BSPP 21 M16X2.0 1.94 0.16
** Molded seal on port