Both standard and custom-designed sealed fiber optic cable seals are available for both small and large quantities with a variety of mounting styles and cost-efficient designs, O-ring face or piston seals, NPT seals, Conflat ®, ISO, and custom flanges including electron. Both standard and custom-designed sealed fiber optic cable seals are available for both small and large quantities with a variety of mounting styles and cost-efficient designs, O-ring face or piston seals, NPT seals, Conflat ®, ISO, and custom flanges including electron. Because epoxy sealing technology is highly adaptable, designers can achieve a custom hermetic fiber optic seal no matter the cable construction, configuration or jacket the assembly requires. Douglas Electrical Components has decades of experience and expertise protecting critical fiber optic. Fibre Optic Seals from FILOform delivers reliable sealing for cables and ducts. View specifications and request expert support today. However, the sealing method used inside these closures largely determines the long-term reliability of the fiber connection. Just peel off layers until the module fits. ST, SMA. Check each product page for other buying options.