JWP Type Cooling Circuit Plugs with Brass O-Ring
Cooling circuit plugs with a brass body and O-ring sealing provide reliable coolant tightness for JWP-type cooling circuits. Built for continuous operation, they help prevent leakage and support stable pressure in automotive and industrial systems.
- JWP type design supports secure plug fit and consistent sealing
- Brass construction with O-ring reduces coolant leakage risk
- Outer diameter range supports installation across common cooling circuit ports
- Used in coolant lines to protect components from overheating
Specifications
7 configurations available
| D (Outer diameter) (mm) | type |
|---|---|
| 6 | - |
| 8 | - |
| 8.5 | - |
| 10 | - |
| 11.5 | - |
| 12 | - |
| 14 | - |
Product Guide
Application Scenarios+
This cooling circuit plug with brass O-ring sealing is used inside injection mold tooling to terminate or connect JWP-type cooling channels. In automotive connector or lighting component molds, it helps maintain coolant tightness around circuit take-offs so flow and pressure stay stable during high-cycle production.
In industrial housing and enclosure molds, the plug is installed at small-diameter cooling circuit ports to protect nearby cavities and slides from overheating. The O-ring sealing feature is particularly suited for preventing coolant seepage at the plug interface, reducing the risk of flash, dimensional drift, and unwanted thermal gradients.
- JWP-type fit supports repeatable installation and reliable sealing contact.
- Brass body and O-ring design help resist leakage in continuous coolant operation.
- Outer diameter (D) 6–14 mm supports compatibility with common cooling circuit port sizes.
Material & Process Details+
The plug uses a brass body combined with a brass O-ring sealing arrangement to form a leak-resistant interface in mold cooling circuits. Brass provides good machinability for plug manufacturing and adequate corrosion resistance for typical aqueous coolant exposure.
For this variant, the critical performance requirement is seal reliability rather than extreme wear resistance. Because brass is generally softer than hardened steels, it trades off high surface hardness for dimensional stability and formability around the sealing region.
- Material focus: brass body + O-ring sealing to minimize coolant leakage.
- Heat treatment: no specific steel grade or hardness state is provided for this brass plug.
- Wear/toughness balance: designed for sealing life in cooling lines; not intended as a high-wear abrasion component.
Sizing & Selection Guide+
To select the correct cooling circuit plug, match the outer diameter (D) to the mold’s JWP-type cooling circuit port size. This series specifies D = 6 ~ 14 mm, so choose the plug whose outer diameter aligns with the corresponding port opening/seat in your cooling manifold or drilled channel termination.
Proper sizing ensures the O-ring can compress correctly at assembly, which is essential for leak prevention and stable coolant pressure. If your mold design uses controlled tolerances on the port diameter, keep the plug diameter within the specified range and confirm the assembly provides adequate sealing compression without excessive interference.
- Fixed spec: D is the primary selectable dimension within 6–14 mm.
- Fit consideration: verify compatibility with your JWP-type port geometry so the O-ring seals uniformly.
- Design matching: select by port diameter first, then confirm seating depth and sealing contact (per your JWP implementation).
Frequently Asked Questions
How do I confirm compatibility of this cooling circuit plug with a JWP-type cooling circuit port?+
This series is specified as a JWP type cooling circuit plug, so compatibility is primarily determined by matching the JWP port geometry and sealing seat. Use the specified outer diameter D = 6 ~ 14 mm to select the plug size that fits your port opening.
Confirm the port and plug interface allow proper O-ring compression to prevent coolant leakage and maintain stable pressure.
Which dimension controls sealing effectiveness for JWP-type plugs in this series?+
The key sizing parameter provided is the outer diameter D, available in 6 ~ 14 mm. Selecting the correct D helps ensure the plug seats correctly at the JWP port and that the O-ring sealing can form a uniform seal.
If your port tolerances are tight, verify that the selected plug D supports correct sealing compression without over-interference.
Is brass suitable for continuous coolant service, and what does that imply for wear resistance?+
This plug uses a brass body with O-ring sealing to minimize coolant leakage in ongoing mold cooling operation. The design intent emphasizes sealing performance rather than high hardness wear resistance.
Because brass is generally less hard than hardened tool steels, it is best treated as a sealing component for cooling circuits, not a high-abrasion wear part.
What risk does the O-ring address compared to a non-sealed plug in mold cooling circuits?+
The O-ring sealing is designed to prevent coolant leakage at the plug-to-port interface. In high-cycle molds, even small leaks can change local flow/pressure and contribute to thermal instability.
Using the correct plug size within D = 6 ~ 14 mm helps support stable O-ring compression and consistent sealing.
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