Net Safety™ Flame Products Mounting Kit (UN-MK-4X)
March 2016
Instruction Guide
MAN-0125 Rev 0
Net Safety has designed the UN-MK-4X series mounting kit to support installation of th e flam e detec tor
series to pipes (poles). With the increasing demand for installations involving pipes (poles), this latest
mounting kit ensures that the demands are met by providing mounting stability and ease of use across Net
Safety’s Flame Products.
The three (3) different types of UN-MK-4X mounting kits are: the UN-M-41, UN-MK-42 and
UN-MK-43. All three mounting kits are similar, except for the difference in U bolt size. The UN-MK-41
comes with a 3/8 x 1-in. U bolt, the UN-MK-42 uses a 3/8 x 2-in. U bolt and the UN-MK-43 has a
3/8 x 3-in. U bolt.
Warning *Over -tighten nuts may damage equipment.
1. Position the UN-MK-4X mounting bracket with its ‘V’ slot making contact with the specific pipe.
See Figure 1.
2. Place U bolt around pipe and fit to mounting bracket. Ensure U bolt threaded ends pass through
two (14/32-in.)
3. Fit screws, washers and nuts provided to the threaded ends of the U bolt. Ensure a tight fit by
using a 9/16-in.
4. Align the four holes of the flame product swivel with the four holes on the UN-MK-4X; ensure
holes are concentric. See Figure 1 when locating holes for swivel.
5. Position and fit the four screws (item no. 6 in Figure 2) provided and ensure that screw heads are
snug to swivel base surface.
6. Fit washers and nuts to screws with the aid of two 7/16-in. open end combination wrench; one
wrench is used to hold the nut in place at the backside of the UN-MK-4X mounting bracket,
while the other is placed over the head of the screw and turned in a clockwise motion.
7. Repeat step 6 for remaining screws ensuring a firm fit of swivel to mounting bracket.
8. Fit the flame detector enclosure to the threaded arm of the swivel.
9. Adjust the flame detector enclosure with swivel as required.
slots on mounting bracket.
open end combination wrench.
Figure 1: UN-MK-4X Dimensional Drawing
Figure 2: UN-MK-4X Pa rts list
Americas
Safety.CSC@Emerson.com
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products at any time without notice.
EmersonProcess.com/FlameGasDetection
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Singapore
T + 65 777 8211
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