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Page 34
VLD Vacuum Leak Detector™
Pin Point Leaky Tubes - 1/4 to 3-Inch OD
Applications
The Vacuum Leak Detector™ (VLD) is a simple test instrument
used by manufacturers and users of condensers, heat exchangers
and other tubular apparatus to identify leaky tubes. One man does
the job. He seals the far end of each tube with a snap type tube
plug, then he presses the rubber coated nozzle into the near end of
the tube and depresses the trigger. Compressed air flows through
a venturi chamber to produce a vacuum in the tested tube. When
this vacuum reaches a satisfactory level, he releases the trigger.
A steady Gauge reading indicates a good tube. A falling vacuum
indicates a leaky tube. Using a 90 PSI dry clean air, a typical tube
(1-inch Outer Diameter x 20 Gauge and 20-feet long) can be tested
in 6 to 8 seconds. Tool weighs 21⁄4 lbs. and is equipped with a
muffler, so it operates quietly even in confined areas.
Kit No. 9836 for 5/8 to 11⁄4-Inch OD Tubes
Consists of
Vacuum Leak Detector™
Assembled with Nozzle
Hose Assembly 12-Foot
T-Handle Tube Plug
Carrying Case
Service Manual
Part No.
42823
41460-1003
24360-0012
42834-1003
42837
SM-158
Accessory Parts for ‘VLD’ Tool
Tube Plug Snap Type
ID
Inches (mm)
3/8
7/16
1/2
9/16
5/8
11/16
3/4
13/16
7/8
15/16
31/32
1
11⁄8
11⁄4
13⁄8
11⁄2
15⁄8
13⁄4
17⁄8
2
34
(9.5)
(11.1)
(12.7)
(14.3)
(15.9)
(17.5)
(19.1)
(20.6)
(22.2)
(23.8)
(24.6)
(25.4)
( 28.6)
(31.8)
(34.9)
(38.1)
(41.3)
(44.5)
(47.6)
(50.8)
Part No.
41482
41483
41484
41485
41486
41487
41488
41489
41490
41491
41492
41493
41494
41495
41496
41497
41498
41499
41500
41501
Additional Nozzles* Available
Nozzle for 1/4 to 3/4-Inch OD Tubes
Nozzle for 5/8 to 11⁄4-Inch OD Tubes
Nozzle for 11⁄8 to 2-Inch OD Tubes
Nozzle for 17⁄8 to 3-Inch OD Tubes
Part No.
41460-1002
41460-1003
41460-1004
41460-1005
*To be ordered in pairs (2) when T-Handle is used.
Nozzle Extensions:
For 5/8 to 11⁄4-Inch Tubes 12-Inch Lg
For 11⁄8 to 2-Inch Tubes 12-Inch Lg
For 11⁄8 to 2-Inch Tubes 24-Inch Lg
Part No.
41461-3012
41461-0012
41461-0024