AlemiteRAM pump9968rebuild Kit

A lock nut or locking nut serves, for example, to secure a cable gland and prevents the screw nuts from loosening. For example, a cable gland can be furnished with a WISKA lock nut so that the screw nuts are not loosened by vibrations. With its hexagonal shape, a lock nut generally resembles the actual nut, but is usually flatter. Aside from polyamide, they are made of nickel-plated brass or stainless steel.

The Alemite 9968 stationary RAM stub pump is an air-powered solution designed for fast and efficient oil dispensing. Ideal for challenging applications, this robust pump operates at a rate of up to 7 gallons per minute, ensuring dependable performance in industrial environments. With features that meet OSHA noise standards and easy serviceability, the Alemite 9968 is a reliable choice for fluid handling tasks requiring precision and durability.

Alemite 9968parts Breakdown

An EMC locking nut, e.g. from Lapp, is characterised by integrated cutting edges, which allow safe contact with coated housings. In comparison with a twist nipple, which only seals inserted cables, cable glands, which are additionally secured with a locking nut made of brass or corrosion-resistant stainless steel, also serve to provide strain relief for a cable.

Alemite 9968pdf

Alemite 9968Manual

A locking nut in accordance with DIN 439 has an internal fine thread. A locking nut in accordance with DIN is generally referred to as a lock nut with metric external dimensions, as are predominantly used in Europe. However, the locking nut with a size in inches is also widespread, e.g. in the automotive industry. The locking nut with a PG (Panzerrohrgewinde) connector is also common as a third alternative. We have summarised the most common sizes for locknuts in the table below.

But regardless of whether it is a WISKA cable gland or a Lapp cable gland e.g. a SKINDICHT or SKINTOP cable gland: The mode of operation is similar for all manufacturers. a  connector has a seal as well as a union nut and a locking nut.

Tightening a locking nut requires a sensitive touch. If too much torque is exercised on the locking nut, which is generally very flat, this may lead to damage to the thread or to a tensile fracture of the screw. Therefore, it is necessary to ensure that the lock nut is not overtightened. As the lock nut has a thread running in the opposite direction, it must not be overtightened to prevent the connector from loosening.

The ATEX lock nut is used in areas with a high risk of explosion, for example on a cable gland. These include, for example, the Ex lock nut, which effectively counteracts sparks and withstands an explosion pressure.

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