Pressure fittings, 5 installation – Setra System Model 3200 User Manual
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01 = G 1/4” Ext.
04 = 7/16”-20 uNF w/37° Flare 1J = 7/16”-20 with O-Ring 02 = 1/4”-18 NPT Ext.
4D = 1/8”-27 NPTF
Dryseal Ext.
05 = G 1/4” A Integral
Face Seal
2T = M12 x 1.5 HP
Metal Washer Seal
1G = 1/4-SAE
Female 7/16 w/Schrader
Pressure Fittings
Notes: The diameter of all cans is 0.748” (19mm). Hex is 0.866” (22mm) across flats for (A/F) for deep socket mounting.
Diagram B
2.4 Pressure Fittings (See Diagram B below)
NPTF (Dryseal & Standard Tapered Threads): “Dryseal” Pipe threads are designed
to seal pressure tight joints without the need of compounds. To accomplish the
seal, the root of both internal and external threads are truncated slightly more
than the crests, i.e. roots have wider flats than crests. Therefore, metal-to-metal
contact occurs when wrenching and crushing the sharper crests of the mating
thread, thus creating the pressure tight joint and preventing spiral leakage.
However, where functionally not objectionable, Setra recommends the use of
an Anaerobic sealing compound to ensure an absolute pressure tight seal and
minimize thread galling. Standard taper threads require the use of a sealing
compound and are not interchangeable with “R” designed threads.
2.5 Installation
Voltage and current units can be installed by either wrench or deep socket. Sizes
22 A/F and 27 A/E. The tightening torque depends upon the material and the
sealing mechanism. The tightening torque should not exceed 30Nm in any case.
Vibration: 50g Sinusoidal 20—200Hz
Operation: Having installed the transducers as instructed, they are ready for use.
Before applying power, check that the correct polarity and excitation levels are
being applied.
0.28 (7)
0.49 (13)
0.28 (7)
0.55 (14)
0.28 (7)
0.44 (11)
0.28 (7)
0.57 (14)
0.28 (7)
0.38 (10)
0.28 (7)
0.43 (11)
0.28 (7)
0.65 (17)
0.28 (7)
0.67 (17)
0.28 (7)
0.35 (9)
0.28 (7)
0.47 (12)
0.63 (16)
0.28 (7)
0.37 (10)
0.55 (11)
OL = M12 x 1.5
1P = SAE6
(9/16-18uNF 2A
Heavy Duty)
OE = Female
1/4”-18NPT Int.
OK = M14 x 1.5
Straight
in. (mm)
0.28 (7)
0.38 (10)
08 = 1/8-27 NPT Ext.
0.28 (7)
0.57 (14)
4c = 1/4”-18 NPTF
Dryseal Ext.