Installation of Regulator Kit
onto 1/2 in. molstic-S™
Mounting Platform
P/N 401881
Instruction Sheet
This kit is used to upgrade 1/2 in. single or dual
molstic-S platforms that do not include the integrated
pressure regulator. This upgraded configuration is
ideal for the situation where the device under test
(DUT) will be tested while plumbed downstream of the
molbloc-S.
High pressure gases are potentially hazardous.
Energy stored in these gases can be released
unexpectedly and with extreme force. High
pressure systems should be assembled and
operated only by personnel who have been
instructed in proper safety practices.
Figure 1.
1/2 in. molstic-S, with Regulation
PREPARING THE REGULATOR FOR
INSTALLATION
Place a new VCR
®
gasket (P/N 102923) into the
regulator’s inlet port female VCR swivel nut (4).
Place the VCR male nut (3) over the tube adaptor (2)
and thread it into the regulator’s inlet port female VCR
swivel nut (4) and tighten finger-tight.
Over-tightening VCR connections will damage the
sealing beads and possibly cause system leakage.
Do not re-use metallic VCR gaskets.
Using a backup wrench hold the female swivel stationary,
and tighten the adaptor 1/8 turn past finger-tight.
Install the quick connect body (1) onto the tube fitting
and tighten 1-1/4 rotations beyond finger-tight.
Place a new VCR gasket into the regulator’s outlet port
female VCR swivel nut (5).
Thread the VCR male union (6) into the regulator’s outlet
port female VCR swivel nut and tighten finger-tight.
Using a backup wrench hold the swivel nut stationary,
and tighten the male union 1/8 turn past finger-tight.
Attach the regulator mounting bracket to the base of the
regulator using the two included #10-32 socket head
cap screws, #10 flat washers, and the #10 lock washers.
The long side of the bracket should be perpendicular to
the direction of flow through the regulator.
INSTALLATION OF REGULATOR ONTO
MOLSTIC-S
Using a pair of properly sized wrenches remove the
VCR x tube adaptor which is on the inlet end of the
molstic-S. This will leave a female VCR swivel nut (7)
as the molstic interface. Retain the adaptor for future
use. The VCR gaskets used in this connection are for
one-time use and should therefore be discarded.
Place a new VCR gasket securely against the sealing
surface inside the female VCR swivel nut (7).
Place the regulator with its bracket on top of the molstic-S
platform. Align the male VCR outlet fitting with the
mating female VCR swivel nut and thread the nut onto
the fitting.
Using a backup wrench hold the male VCR union
stationary and t
ighten the VCR swivel nut 1/8 turn past
finger-tight.
Figure 2.
molstic-S Nut Plate
Place the flat side of the 60 mm nut plate under the
molstic-S platform (See Figure 2). Align it with the holes
in the platform and the regulator bracket. Hold it in place.
Thread the two M4 socket head cap screws and M4 flat
washers through the regulator bracket and tighten them
securely into the nut plate.
