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The ERPU 8-8 straight push-fit microduct connector is engineered to facilitate rapid, secure connections within air-blown fiber optic networks. Built with a crystal-clear polycarbonate (PC) body, this component provides immediate visual confirmation of proper cable seating, eliminating guesswork during field deployments. The internal architecture utilizes premium NBR sealing rings and rigid stainless steel locking claws that firmly grip the microduct without causing deformation. Designed to operate under a continuous working pressure of 20 bar—and capable of withstanding maximum pressures up to 28 bar—these connectors deliver exceptional reliability for direct burial (DB) applications. Compliance with CEI EN 50411-2-8 and EN 50411-2-5 standards, alongside REACH and RoHS environmental certifications, ensures global project readiness. For engineering teams, comprehensive 3D CAD models and detailed dimensional drawings are available to support precise network planning. With a functional lifespan extending up to 25 years in extreme outdoor environments ranging from -45 °C to +50 °C, this connector minimizes maintenance overhead while maximizing network uptime.
Engineered specifically for the demanding conditions of direct burial installations, this connector maintains a secure seal under a standard working pressure of 20 bar. During rigorous safety evaluations, the assembly successfully withstands extreme pressure surges exceeding 50 bar without structural failure. The stainless steel locking claws bite securely into the HDPE tube, creating a mechanical bond that resists soil subsidence, heavy ground moisture, and physical stress. Over a projected 25-year service life, this pressure-retaining capability prevents costly air leaks during fiber blowing operations and protects the internal optical cables from groundwater penetration.
Field technicians can complete secure microduct joints in a matter of seconds using the intuitive push-fit mechanism. By simply pushing the cleanly cut microduct into the connector until an audible seating confirmation occurs, crews bypass the slow, labor-intensive processes associated with threaded or glued alternatives. This tool-free methodology drastically reduces the margin for human error during large-scale network rollouts. For situations requiring reconfiguration, dedicated release collars and optional removal tools allow for swift disconnection without damaging the microduct surface, keeping labor costs and troubleshooting time to an absolute minimum.
The main housing is constructed from highly transparent polycarbonate, offering a clear, unobstructed view of the internal connection point. When a technician inserts a microduct, they can visually verify that the tube has passed through the NBR sealing ring and reached the internal backstop. This immediate sensory feedback prevents the common issue of partial insertions, which often lead to pressure loss during fiber blowing. Furthermore, the transparent casing allows maintenance teams to quickly spot any foreign debris or moisture ingress during routine network audits, drastically shrinking diagnostic timelines.
Outdoor telecommunication networks frequently endure harsh environmental shifts. This connector is formulated to perform consistently in working temperatures plummeting to -45 °C and soaring to +50 °C. The specialized POM components and NBR seals are highly resistant to thermal expansion, contraction, and UV-induced degradation. Whether deployed in freezing alpine soils or scorching desert trenches, the materials resist premature aging and hardening. This thermal resilience guarantees that the push-fit mechanism and internal seals retain their original elasticity and gripping force throughout the product's 25-year lifecycle.
Water ingress is a primary cause of fiber optic network degradation. Achieving a strict IP68 protection class, these connectors undergo severe testing, including submersion at 0.5 bar for 168 continuous hours with zero moisture penetration. Beyond waterproofing, the outer polycarbonate shell delivers substantial mechanical defense, offering impact resistance ratings up to IK07 (and exceeding IK08 for larger diameters). This structural integrity absorbs accidental strikes from shovels, backfill materials, and heavy machinery vibrations, ensuring the microduct splice remains completely undisturbed during both the construction phase and decades of active service.
The following technical specifications outline the precise material composition, operational thresholds, and compliance standards for the ERPU 8-8 straight push-fit microduct connector. Detailed engineering drawings and exact dimensional data are available upon request to assist with accurate network capacity planning.
No. | Name | Material | Colour |
1 | Body | PC | Transparent |
2 | Sealing | NBR | Black |
3 | Back Ring | POM | Black |
4 | Lock Claws | SUS | Silver |
5 | Collar | POM | Blue,etc |
6 | Release sleeve | POM | Orange,etc |
7 | Locking Clip | POM | Blue,etc |
Tube to connectors: | Polyethylene HDPE | Working temperature: | -45°C/+50°C |
Fluid: | Air with blowing sysem | Transport and storage temperature: | -10°C/+50°C |
Working Pressure: | 20 bar | Installation temperature: | -A2410°C/+50°C |
MAX.Pressure: | 28 bar | Recommended blowing temperature: | -15°C/+35°C |
Userful ife: | 25 years | Outdoor exposure limit @Cetral Europe: | 12 months |
Tube assembly: | No tooling required | Protection class: | IP68 |
Water ingress test: | (0.5 bar during 168 hours) | High pressure resistance(safety) | >50 bar |
3,4,5,1/8,3/16,1/4 | IK05(0.7J) | 12,14,15,16,18,1/2 | IK07(2J) |
7,8,9,10,5/16,3/8, | IKO6-IK07(1.5J) | 20,25,32 | >IK08(>2J) |
According to Standards: | CEI EN 50411-2-8,EN 50411-2-5 | ||
Related documents: | EN61300,EN 61753-1,EN 60068-2-10,EN60794-1-2:2003 | ||
Related documents: | ISO 3601,ISO 4397:1993(2000),ISO4399:1995 | ||
Microduct external diameters: | Metri(mm) | 3,4,5,7,8,9,10,12,14,15,16,18,20,25,32 | |
Inch | 1/8,3/16,1/4,5/16,3/8,1/2 | ||
Connectors: | Straight | ||
To support large-scale infrastructure projects, we provide comprehensive logistical data and application-specific accessories designed to streamline procurement and deployment.
