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EH 294 Series - EMA3 Diagnostic Quick Couplings (Steel)

EH 294 Series - EMA3 Diagnostic Quick Couplings (Steel)
EH 294 Series - EMA3 Diagnostic Quick Couplings (Steel)EH 294 Series - EMA3 Diagnostic Quick Couplings (Steel)EH 294 Series - EMA3 Diagnostic Quick Couplings (Steel)EH 294 Series - EMA3 Diagnostic Quick Couplings (Steel)EH 294 Series - EMA3 Diagnostic Quick Couplings (Steel)
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CategoriesTest Quick Couplers
Trademark/BrandEH
InterchangePARKER EMA3 SERIES
Update TimeFeb 4,2026
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Detail Information
Items
Specs
This EH series is interchangeable with the PARKER EMA3 SERIES. Steel Product. EMA couplings serve as diagnostic test points for Parker SensoControl® equipment and mechanical gauges. Designed for permanent installation at key monitoring locations, they feature a pressure cap to prevent damage and contamination. Their proven twist-to-connect design allows for safe connection under pressure. Compact and compatible with high-pressure hoses, EMA test points offer flexible installation in fluid systems.

Test Coupler-EMA3


Other Threads/Fitting Ends Are Available Upon Request
Art. No.
Body Size 
(inch)
Wrench Flats
Interface Thread Size
Overall 
Length 
(in)
Weight
(lbs)
End Thread 
Size
HFSFC29418-1/8"NPT
1/8''
17mm
M16x2
1.81
0.15
1/8" NPT 
Male
HFSFC29418-1/4"NPT
1/8''
17mm
M16x2
1.98
0.16
1/4" NPT 
Male
HFSFC29418-7/16UNF
1/8''
17mm
M16x2
1.88
0.15
7/16-20UNF Male
HFSFC29418-9/16UNF
1/8''
19mm
M16x2
1.88
0.17
9/16-18UNF Male
HFSFC29418-M8x1
1/8''
17mm
M16x2
1.81
0.15
M8x1 Male
HFSFC29418-M10x1
1/8''
17mm
M16x2
1.85
0.15
M10x1 Male
HFSFC29418-M12x1.5
1/8''
17mm
M16x2
1.94
0.16
M12x1.5 Male
HFSFC29418-M14x1.5
1/8''
19mm
M16x2
1.94
0.16
M14x1.5 Male
HFSFC29418-G1/8
1/8''
19mm
M16x2
1.77
0.15
G1/8 Male
HFSFC29418-G1/4
1/8''
19mm
M16x2
1.94
0.16
G1/4 Male
HFSFC29418-G3/8
1/8''
21mm
M16x2
1.94
0.16
G3/8 Male

Test Coupler-Accessories

Hydraulic Diagnostic Quick Coupling male thread
EMA Gauge Adaptor
Art. No.
Body Size 
(inch)
Wrench Flats
Interface Thread Size
Overall 
Length 
(in)
Weight
(lbs)
End Thread 
Size
HFSFC39418-1/4"NPT
1/8''
19mm
M16x2
2.22
0.15
1/4" NPT 
Female
EMA Gauge Adaptor
Art. No.
Body Size 
(inch)
Wrench Flats
Interface Thread Size
Overall 
Length 
(in)
Weight
(lbs)
End Thread 
Size
HFSFC49418-1/4"NPT
1/8''
19mm
M16x2
2.22
0.18
1/4" NPT 
Female
HFSFC49418-7/16UNF
1/8''
19mm
M16x2
1.6
/
7/16-20UNF 
Female
Union
Art. No.
Body Size 
(inch)
Wrench Flats
Interface Thread Size
Overall 
Length 
(in)
Weight
(lbs)
End Thread 
Size
HFSFC59418-M16x2
1/8''
17mm
M16x2
1.65
0.11
M16x2
Transducer Adaptors
Art. No.
Body Size 
(inch)
Wrench Flats
Interface Thread Size
Overall 
Length
Weight
(lbs)
End Thread 
Size
HFSFC69418-G1/4
1/8''
27mm
M16x2
32mm
0.3
1/4-19 BSPP
HFSFC69418-G1/2
1/8''
27mm
M16x2
36mm
0.3
1/2-14 BSPP
Flexible Hose
Art. No.
Length 
(in)
Length (mm)
Thread Size
HFSFC79418-200
7.9
200
M16x2
HFSFC79418-400
15.75
400
M16x2
HFSFC79418-800
31.5
800
M16x2
HFSFC79418-1000
39.38
1000
M16x2
HFSFC79418-2000
78.75
2000
M16x2
HFSFC79418-3000
157.5
4000
M16x2
Hose Assembly
Art. No.
Length 
(in)
Length (mm)
Coupling
HFSFC9418-19
19
483
PD (EH 94 series)
HFSFC9418-32
32
813
PD (EH 94 series)
HFSFC9418-120
120
3048
PD (EH 94 series)
HFSFC9418-240
240
6096
PD (EH 94 series)

Technical Specifications

Dash Size
Body Size (Inch)
Max. Work PressureMale (bar)
Max. Work PressureFemale (bar)
Max. Work PressureCoupled (bar)
Max Connect-Under-Pressure
(bar)
Rated Flow(gpm)
02
1/8''
620
620
620
400
0.8
Material:
Steel
Seals:
NBR, Seals can be customized to meet your special work condition/media
Working Temperatures:
-25 °C to 125 °C, Customizable
Surface Treatment:
MATE 500 (CRIII)
Specifications:

Market Interchange

PARKER EMA3 SERIES

Valve Type:
/
Connection:
Screw To Connect
Disconnection:
Unscrew To Disconnect
Connection Under Pressure:
Allowed
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Contact Person
NINGBO E.H HYDRAULIC CO., LTD.
Name:
NINGBO E.H HYDRAULIC CO., LTD.
Tel:

+0086-574-27882700

Email:
WhatsApp:
8613967841269
Address:
No.7 Longteng Road, Maoshan Industrial Area, Jiangshan, Yinzhou District, Ningbo, China, 315193

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