Description
REFCO is a Swiss company founded in 1972 and has successfully grown from a small business into a world-renowned supplier of refrigeration service products and components. Producing high-quality products has been our consistent goal from beginning to end. Combining our customers’ special requirements with our production technology to produce unique products that are durable and safe is a top priority in our development.
Schematic interpretation of valve and joint connection;
1. Close signal:
When the 1# hand valve is closed clockwise
wIllIn40o5o0
2# and 4# are connected
300200
There is no connection between 3# and 2#4#
19ecinH
2. Turn on the signal:
When 1# hand valve is opened counterclockwise, 2# and 4# are connected.
3# and 2#4 are also connected
Swiss imported refco Weike air conditioning refrigeration negative pressure vacuum mechanical pointer RL-VAC test vacuum instrument Refco RL-VAC test vacuum instrument
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