Danfoss OFC Check Valve Installation Guide
- June 4, 2024
- Danfoss
Table of Contents
Danfoss OFC Check Valve
Refrigerant
For a complete list of approved refrigerants, visit http://store.danfoss.com/ and search for individual code numbers, where refrigerants are listed as part of product details. Oil: OFC valve is designed for an oil-free environment
Media Temperature
Min. 0 C / 32 F
Max. 90 C / 194 F, short term up to 100 C / 212 F
Max. Working Pressure
PS/MWP = 23 bar / 334 psig
Contents of accessory box
- Outlet flange for 3 1/8 in. copper tube
- Outlet flange fasteners
- O-ring for outlet flange
- O-ring lubrication (2 gram)
- Additional check valve springs (2 pcs):
– Yellow spring, for 45 down orientation
– Red spring, for horizontal orientation
Interface Connections
Install valve directly on Danfoss Turbocor compressor, picture shown with vertical down installation. All fasteners and bolts require stainless steel. Bolts with minimum class A2-70.
NOTE: Protection of entire valve including steel nge is recommended after installation for out- door use.
Outlet Flange Brazing
Place outer flange on evenly cut copper pipe
NOTE: ensure flange is not mounted on main housing during brazing
Orientation
NOTE: Check valve spring must be changed when using any orientation other
than vertical downing
When changing check valve spring
- Remove check valve insert from main housing
- Remove check valve head
- Remove spring and replace with correct color based on intended orientation
- Replace check valve head and insert
- Install outlet flange, O-ring and fasteners
