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Moldflow™ Couplers & Connectors

Mold Cooling Quick Couplers for Injection-Molding Water Circuits

The Moldflow Series of couplers and connectors is designed primarily for use in cooling injection molds. PneumaticHub supplies this coupler and connector family for fast, serviceable hose and equipment connections.

Interchange style is critical with quick-disconnect systems. Match the coupler and plug profile, body size, thread, flow requirement, pressure and media before connecting components from different series.

Download Coupler & Connector Datasheet

Key Features

  • Fast connection and disconnection
  • Supports hose and tool changes
  • Available in application-specific interchange styles
  • Helps reduce downtime during maintenance
  • Designed for repeated industrial connection cycles

Common Applications

  • Industrial water lines
  • Injection-mold cooling circuits
  • Maintenance utilities
  • Hose assemblies
  • OEM equipment
  • Process support systems

Frequently Asked Questions

What is a quick-disconnect coupler?

It is a reusable connection that allows a hose or tool to be connected and disconnected without unthreading the fitting.

What does interchange style mean?

It describes the plug and coupler profile. Matching the correct interchange is essential for proper connection and sealing.

Can different interchange styles be connected?

Not normally. Universal couplers are designed to accept multiple specified plug profiles, but standard couplers should be matched to their intended interchange.

How do I choose the correct body size?

Select body size and port size based on required flow, tool demand and hose diameter.

Do quick couplers cause pressure drop?

Yes. Internal passages and valving create some restriction, so high-flow applications should use an appropriately sized coupler.

What materials are available?

Material depends on the series and may include brass, steel or composite bodies.

When should a coupler be replaced?

Replace it if it leaks, will not lock securely, has damaged seals or shows excessive wear.

How do I select the correct coupler?

Confirm interchange, body size, thread, flow, pressure, media and environmental conditions.

6-316
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Unvalved, 3/8” ID Hose, 90°UPC Code 029292125932The Moldfl..
Ships from East Brunswick, NJ
3-4 Weeks
$22.48 $20.23
6-316V
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Valved, 3/8” ID Hose, 90°UPC Code 029292125970The Moldflow..
Ships from East Brunswick, NJ
3-4 Weeks
$34.28 $30.85
6-316VP
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Valved, 3/8” ID Lock-On, 90°UPC Code 029292125994The Moldf..
Ships from East Brunswick, NJ
3-4 Weeks
$37.13 $33.42
6-318
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Unvalved, 1/2” ID Hose, 90°UPC Code 029292126014The Moldfl..
Ships from East Brunswick, NJ
3-4 Weeks
$23.13 $20.82
6-318P
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Cplr Unvalved, 1/2” ID Lock-On, 90°UPC Code 029292126038The Moldfl..
Ships from East Brunswick, NJ
3-4 Weeks
$24.86 $22.37
6-318V
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Valved, 1/2” ID Hose, 90°UPC Code 029292126052The Moldflow..
Ships from East Brunswick, NJ
3-4 Weeks
$40.54 $36.49
6-318VP
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Valved, 1/2” ID Lock-On, 90°UPC Code 029292126076The Moldf..
Ships from East Brunswick, NJ
3-4 Weeks
$42.50 $38.25
6-326
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Unvalved, 3/8” ID Hose, 45°UPC Code 029292126090The Moldfl..
Ships from East Brunswick, NJ
3-4 Weeks
$30.75 $27.68
6-326V
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Valved, 3/8” ID Hose, 45°UPC Code 029292126137The Moldflow..
Ships from East Brunswick, NJ
3-4 Weeks
$35.03 $31.53
6-326VP
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Valved, 3/8” ID Lock-On, 45°UPC Code 029292126151The Moldf..
Ships from East Brunswick, NJ
3-4 Weeks
$37.26 $33.53
6-328
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Unvalved, 1/2” ID Hose, 45°UPC Code 029292126175The Moldfl..
Ships from East Brunswick, NJ
3-4 Weeks
$22.48 $20.23
6-328P
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Cplr Unvalved, 1/2” ID Lock-On, 45°UPC Code 029292126199The Moldfl..
Ships from East Brunswick, NJ
3-4 Weeks
$25.33 $22.80
6-328VP
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Coupler Valved, 1/2” ID Lock-On, 45°UPC Code 029292126236The Moldf..
Ships from East Brunswick, NJ
3-4 Weeks
$40.54 $36.49
6-352
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Connector, 1/4” MPTUPC Code 029292126250The Moldflow Series of cou..
Ships from East Brunswick, NJ
3-4 Weeks
$4.14 $3.73
6-352F
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Connector, 1/4” FPTUPC Code 029292126274The Moldflow Series of cou..
Ships from East Brunswick, NJ
3-4 Weeks
$3.65 $3.29
6-353
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Connector, 3/8” MPTUPC Code 029292126311The Moldflow Series of cou..
Ships from East Brunswick, NJ
3-4 Weeks
$3.94 $3.55
6-353F
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Connector, 3/8” FPTUPC Code 029292126335The Moldflow Series of cou..
Ships from East Brunswick, NJ
3-4 Weeks
$4.40 $3.96
6-353V
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Connector Valved, 3/8” MPTUPC Code 029292126373The Moldflow Series..
Ships from East Brunswick, NJ
3-4 Weeks
$26.80 $24.12
6-354
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Connector, 1/2” MPTUPC Code 029292126397The Moldflow Series of cou..
Ships from East Brunswick, NJ
3-4 Weeks
$6.07 $5.46
6-354F
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Connector, 1/2” FPTUPC Code 029292126410The Moldflow Series of cou..
Ships from East Brunswick, NJ
3-4 Weeks
$9.15 $8.24
6-355X4
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow 4” Extension, 1/4” FPTUPC Code 029292126441The Moldflow Series of ..
Ships from East Brunswick, NJ
3-4 Weeks
$22.82 $20.54
6-355X6
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow 6” Extension, 1/4” FPTUPC Code 029292126458The Moldflow Series of ..
Ships from East Brunswick, NJ
3-4 Weeks
$33.38 $30.04
6-356S
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Silicone SealUPC Code 029292126465The Moldflow Series of couplers ..
Ships from East Brunswick, NJ
3-4 Weeks
$1.29 $1.16
6-356SV
-10 % 3-4 Weeks
Availability: 3-4 Weeks
Coilhose Pneumatics 3/8” Moldflow Viton SealUPC Code 029292880367The Moldflow Series of couplers and..
Ships from East Brunswick, NJ
3-4 Weeks
$7.49 $6.74
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