B-24
Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN
www.parker.com/quickcouplings
B
Hydraulics
EA Series couplings are designed specifically for vacuum and
meduim pressure service, providing a dependable means for
speeding fluid line changeover in autoclave applications.
Features:
•
Vacuum capability
•
Available in a variety of materials
•
Wide range of sizes
•
Nitrile is standard seal material, other options available
Applications include:
•
Aircraft fabrication
•
Plastic molding
•
Horizontal boring and dewatering
EA Series Pressure Ratings
Body
Size
Steel
316
Stainless Steel
Brass
Maximum
Working (psi)
Minimum
Burst (psi)
Maximum
Working (psi)
Minimum
Burst (psi)
Maximum
Working (psi)
Minimum
Burst (psi)
1/4
3000
6000
3000
6000
1500
3000
3/8
3000
6000
3000
6000
1500
3000
1/2
3000
6000
3000
6000
1500
3000
3/4
2000
4000
2000
4000
1500
3000
Pressure ratings were established under static pressure conditions. Therefore, pressure ratings for any given flow, pressure surge and/or vibration
may vary from those ratings.
Vacuum Capability at Standard Barometric Conditions
1/4
3/8
1/2
3/4
in.hg atm in.hg atm in.hg atm in.hg atm
Connected
29.7 .99 29.7 .99 29.7 .99 29.7 .99
Coupler or
Nipple Alone
(
disconnected)
29.7 .99 29.7 .99 29.7 .99 29.7 .99
EA Series
Vacuum Couplings
Vacuum to Medium Pressure
Hydraulic Quick Couplings
General Purpose
EA Series Specifications
Body
Size
Force to Connect (Valved and Valved)
Spillage on Disconnect (Valved and Valved)
Internal
Pressure (psi)
Force to
Connect (lbs)
With 10 psi Internal
Pressure (cc or ml)
With 50 psi Pressure
(
cc or ml))
1/4
200
50
1.2
1.5
3/8
200
60
1.4
2.5
1/2
200
95
4.2
4.6
3/4
100
95
10.5
11.6