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Flow Control -   DYNATORQUE D-Lock Manual Lock Out/Tag Out

Features  
DYNATORQUE™ D-Lock® are suited for applications where powered equipment such as pneumatic, hydraulic, or electric actuators must be locked in either the full clockwise or counter clockwise positions. This product provides Lockout capabilities for all types of valve and other rotational devices where the function of the device requires the prevention of rotation (i.e., such as torque seated butterfly valves). Application torque requirements must be accurately calculated for correct D-Lock sizing (if unsure contact the factory, see below) D-Locks are totally enclosed, weatherproof, and permanently lubricated. The D-Lock is designed to mount between the valve and its primary driving mechanism.
 
 
Materials
Unit housing and covers are cast iron, worms are heat-treated carbon steel, worm wheels are cast ductile iron, input shafts are stainless steel, shaft and worm wheel seals are Buna-N rubber, housing to cover seals are Loctite 51580, bushings are oil impregnated copper nickel steel alloy, all D-Locks have one shop coat black epoxy paint. (Pad-locks are not supplied as part of this mechanism)
 
Model
Unit Wgt. LBS.
Output Torque Lb.-In.
Gear Ratio
Turns for 90 Deg.
Std. Output Bore
Std. Key Size
Sq.
Std. Mounting Pattern
Qty. & Size
BCD
13.5
3,000
30:1
7.5
1.250
.25x.18
(4)5/16-18
2.756
43
12,000
57:1
14.25
2.000"
.375 sq.
(4) 1/2-13
4.921
61
21,000
44:1
11
2.500"
.500 sq.
(4) 5/8-11
5.512
126
63,000
53:1
13.25
3.250"
.750 sq.
(4) 3/4-10
6.496
149
140,000
60:1
15
4.000"
1.000sq.
(8) 5/8-11
10.000
681
260,000
100:1
25
6.250
1.50x1.00
(8) 1 1/8-7
14.016

Notes:

1. Mechanical advantage is not required since the lockout position of the valve is reached using the powered device. The gears in the D-Lock move its output to the lock position under no-load conditions.

2. The D-Lock can be operated with a standard ¾" socket, box end or adjustable wrench. (These tools are not supplied as part of this lockout package.

3. The D-Lock is not a field adjustable device. This device must be ordered as "lock clockwise" or "lock counter-clockwise". Provisions must be made to prevent each component in the valve automation package from rotation independently. It is strongly suggested that all components be pinned together at assembly to prevent inadvertent rotation. 

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