1 Introduction

This is a right-angle rotating gear drive, whose housing is made of aluminum alloy precision die-casting. It is suitable for the cock of the ball valve and butterfly valve. It

is driven by a worm gear and has a self-locking function. At the same time, it adopts tapered roller bearings, which makes the operation of the gearbox more convenient and

efficient. The stem nut can be made into a positive or separate structure according to the customer\’s requirements. The mounting flange adopts the ISO5211 international

standard, so it can be more convenient to install with the valve. The overall protection grade can reach IP67, and it can also be made into IP68 grade for some special

environments

2 TECHNICAL DATA SPECIFICATIONS

2.1 Technical Data

2.2 Material and Part List