Page 90 - ParkerQuickCouplingCatalog38002010

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Quick Coupling Division
8145 Lewis Road • Minneapolis, MN 55427
www.parker.com/quickcouplings
B-46
Hydraulic Quick Couplings
B
Hydraulics
Mold Coolant Line Couplings
Moldmate Series
Applications
Parker moldmate couplings are specifically designed for con-
necting coolant lines to molds and dies, on injection molding
machinery in the plastics and die casting industries.
Moldmate couplings significantly reduce machine downtime
by providing fast and easy connection of coolant lines during
mold changes. Their short nipples can be recessed below the
surface of the mold for more efficient storage of molds.
Moldmate couplers are available with or without valves in the
female half. Non-valved couplers provide maximum flow for
efficient cooling. Valved couplers shut off when disconnected.
Special Order Information
Standard seal material is Silicone and is compatible with
water and water glycol fluids commonly used in heat transfer
systems. Fluorocarbon seals are available for use only with
oil-based media and not with water glycol. To specify a
Fluorocarbon seal, add the suffix “Y” to the standard
moldmate part number, thus: PC206Y.
Specifications
Body Size (in.)
1/4
3/8
1/2
Rated Pressure (PSI)
200
200
200
Rated Flow (GPM)
3
6
12
Performance
Selection Guidelines
Moldmate couplings are designed for a maximum working
pressure of 200 PSI. Most thermoplastic and thermoset heat
transfer systems have pumps which provide relatively high
flow rates at relatively low pressures. Water and water glycol
systems usually have capacities ranging from 10 to 40 gpm,
with most from 10 to 15 gpm. Normal medial opening
pressures are 20 to 60 PSI for these systems. Heat transfer
systems using oil generally operate from 10 to 30 PSI.
However, their flow rates are usually much higher, requiring
the total volume of oil to be circulated at least once per
minute.
The number of hose connections in a single mold system
results in a cumulative pressure drop. Please note the
Pressure Drop vs. Flow Rate chart provided, to select the
appropriate size.
Temperature is another important consideration. Parker
moldmate couplings with their standard Silicone seal have a
temperature capability of -90° to +400°F. Rapid deterioration
of the seal and leakage may result if used beyond these
limits.
External conditions of temperature, corrosive atmospheres,
and other abnormalities may affect coupling performance and
must be considered when selection is made. Consult factory
with questions.
Moldmate Series (1/4", 3/8", 1/2")
Test Fluid: Water (Straight Coupler)
0
5
10
15
20
25
30
35
40
45
50
0
2
4
6
8
10
12
14
16
18
Flow in USGPM
Pressure Drop in PSID
1/4" Valved
1/4" Non-valved
3/8" Valved
3/8" Non-valved
1/2" Non-valved
Material
Temperature Range
Standard Silicone seal
-90° to +400°F
*Optional Fluorocarbon seal
-15° to +400°F
* For use with oil based media only