Danfoss VCM 86 Installation guide
Installation guide
VCM 86 Non-return valve
1. Identication &
introduction
180R9413
Check valve
Type VCM 86
Code no. 180H0056
Serial no. XXXXXX03-XXX
180R9413
MADE IN DENMARK
Danfoss A/S, 6430 Nordborg, Denmark
The non-return valve is designed for use in Seawater
Reverse Osmosis (SWRO) membrane systems. In case the
high-pressure pump stops momentarily, the volume of
water in the membrane vessel may work as an accumulator and will send ow backwards.
When using multiple pumps in parallel, the
non-return valve prevents the water from one
pump to run into the parallel-coupled pumps at
start-up. The valve is prepared for easy installation on the high-pressure outlet of APP 53-86
series 07 or lower.
Use only Style 77DX coupling or equivalent.
Typ e Outlet
Connection
VCM 86 3" Victaulic
OSG
1)
The check valve is mounted directly in the outlet port with a ange with 6 bolts (M10 x 25)
2)
Wetted parts materials: Super Duplex, PEEK, PP, Hastelowy, FKM, NBR
3)
The installation instruction for Style 77DX is located in the Victaulic document I-100 Field Installation
3)
Diameter
1)
mm (inch)
87. 7
(3.45)
Length
mm (inch)
175.5
(6.90)
Material
Super
Duplex
2)
Max.
pressure
barg (psig)
80
(1,160)
Flow
continuoulu
m3/h (gpm)
90
(396)
Code
number
180H0056
Handbood (http://static.victaulic.com)
© Danfoss | DCS (im) | 2019.10
180R9413 | AN315326401211en-000101 | 1
2. Installation
2.1 Mounting holes and torque
The VCM 86 check valve comes with a ange
connection that is easily mounted directly on the
pumps high pressure outlet port (outlet
connection is not required).
When installing the valve, lubricate the O-ring at
the ange before pushing it into the outlet of the
pump.
Note: Bolts must be tightened with torque
30Nm ± 3 Nm.
Now 24 screws
© Danfoss | DCS (im) | 2019.10
180R9413 | AN315326401211en-000101 | 2
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