quarter-turn

quarter-turn

Descriptive of a stair which, in its progress from top to bottom, turns 90°.
References in periodicals archive ?
McLaughlin offers two options in its Vermeer Hole Hammer piercing tool line--a positive-turn reverse design and air-on quarter-turn reverse.
com)-- The EMKA range of quarter-turn lock latches and wing knobs now offer from IP50 through IP65, IP66 and up to IP69 degrees of sealing - protecting against ingress of dust and water.
a) the supply of non-explosive quarter-turn actuators;
Covered in this Report The Global Pneumatic Valve Actuators market can be segmented into three segments: Linear Actuators, Quarter-turn Actuators, and Multi-turn Actuators.
The global industrial valves and actuators market is witnessing the adoption of quarter-turn valves.
The Global Industrial Valves and Actuators market can be segmented into four product segments: Multi-Multi-turn Valves, Quarter-turn Valves, Automatic Regulator and Control Valves, and Actuators.
With just a quarter-turn the B-Lock forend cap pops off, allowing total takedown in seconds.
The door opens with only a quarter-turn of the handle.
P2-13 Series quarter-turn electric, non-spring return actuators feature a rugged, industrial-grade design for use with all ball and butterfly valves or dampers requiring higher torque outputs from 800 in.
A quarter-turn adjustment provides appropriate closing speed for any door dimension and weight.
His team reported in the May 15 Nature that the surface scars have just the right shape, size and location to be fractures generated if the moon's icy shell had sometime in the past rotated by 80[degrees]--nearly a quarter-turn.
The Pond Collection has four ranges: Hannover, designed for quarter-turn installation, Weimar (pictured), Berlin and Cologne, which have a random pattern and are designed for non-directional installation.