DME standard brass 90 degree connectors, elbow type, , there are three sizes, which are N9 N13 series,which indicates different connector outer diameter.
As for pipe thread,there are 1/8 1/4 BSPT.
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Our Mold Coolant 90 Degree Elbow Brass Hexagonal Quick Release Connectors are DME-standard industrial fluid connection components, purpose-built for high-demand mold temperature control systems in manufacturing. Precision-machined from high-grade brass, these 90 degree elbow brass quick release connectors feature an optimized right-angle bend design to fit tight installation spaces in mold assemblies, while delivering tool-free quick connect and disconnect functionality for fluid lines. Available in N9 and N13 series with multiple thread specifications, our brass hexagonal mold cooling quick couplings are engineered to streamline fluid circuit setup, minimize unplanned downtime, and boost thermal exchange efficiency for plastic and metal molding operations, making them a trusted choice for mold manufacturers and injection molding factories.

Crafted from high-purity corrosion-resistant brass, our DME standard brass 90 degree connectors deliver exceptional wear resistance and thermal stability. The fittings can withstand continuous operating temperatures up to 200°C, fully adapting to the high-heat environment of injection molding and die-casting processes, ensuring long service life and reduced replacement frequency for high-volume production lines.
These mold coolant brass quick release connectors follow strict industry standard dimensions, ensuring full interchangeability with same-size brass nipple plugs and female quick couplings already installed in your existing mold or die equipment. The male hex nipple shares a uniform outer diameter with matching couplers, enabling seamless flush mounting and cross-compatibility across different DME-standard fitting sets, which reduces inventory costs and simplifies parts management for manufacturers.
The male brass nipple adopts a standard open-flow design, and is compatible with both open-flow and valved female quick couplers to meet diverse circuit control requirements. Our 90 degree bend brass hose nipples are specially optimized for water and oil circulation, supporting stable fluid delivery for both heating and cooling applications, with no risk of flow restriction or pressure drop that could impact mold temperature consistency and product molding quality.
The integrated hexagonal body design allows for secure wrench tightening during installation, ensuring a leak-proof seal without damaging the fitting or mold ports. This user-friendly structure significantly cuts down installation and maintenance time, reducing unplanned production downtime for injection molding facilities and mold maintenance service providers.
Thread Specification | Outer Diameter (Od1) (mm) | d1 (mm) | d2 (mm) | Total Length (L) (mm) | L1 (mm) | L2 (mm) | Hex Width (SW) (mm) |
1/8 BSP | 9.4 | 6 | 27 | 9 | 23 | 11 | 11 |
1/4 BSP | 13.5 | 9 | 34 | 9 | 24.5 | 15 | 15 |

Our brass hexagonal mold coolant quick connectors are mainly deployed in industrial scenarios centered on mold temperature control and fluid circulation, including:
Cooling water circulation systems of injection molding and die-casting molds
Thermal exchange circuits for plastic extrusion and blow molding equipment
Closed-loop heating and cooling systems for precision metal molding
Industrial fluid transfer lines requiring 90-degree right-angle quick connections
High-cycle molding production lines requiring frequent mold changeovers
These fittings directly improve mold thermal exchange efficiency, shorten product molding cycle times, and enhance dimensional stability and finished product yield for high-volume manufacturing operations.
Both open and closed male nipples are compatible with valved female quick couplings. Note that closed male water couplings can only be paired with shut-off quick connectors to ensure proper flow control and leak prevention.
Yes. Our fittings are manufactured to strict DME standards, with identical outer diameter dimensions for same-size models, enabling full interchangeability with other DME-compliant mold quick couplings and nipple plugs, even for flush-mounted installations.
These connectors are specially engineered for water and oil fluid transfer, making them ideal for mold cooling and heating circulation systems. We do not recommend use with corrosive chemical media without prior compatibility testing.