Flexible tap adaptors fit into standard 15mm isolating valves. Suitable for flexible hoses/monobloc tails with ¾" swivel nuts. Compression x BSP Male Demountable Suitable for Drinking Water Suitable for Water Systems Helps Prevent Leaks. When fitting a flexible hose swivel nut directly on to an isolating valve, the chamfered edge on the ISO valve can cut into the washer, causing damage and potentially cause a leak. Our flexible hose tap adapters can be fitted straight into a 15mm isolating valve, creating a flat face for the flexible hose swivel nuts, thus preventing damage and leaks. This is also a cost-effective alternative to fitting a separate length of pipe with a MI fitting. Features and Benefits Designed to fit into a 15mm Isolating valve Provides a flat face for flexible hoses with swivel nuts Helps prevent leaks by protecting the flexible hose washer Cheaper alternative to using a separate MI fitting Quick installation Blister packed in pairs. Technical Data Sheet Tesla