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MD & SG Series Walther Couplings

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The MD series contains medium pressure quick couplings in SG and MD types. These couplings can be used for a variety of fluid media, including lubricating greases and hydraulic oils. They are available in bore sizes from 6-50 millimeters and in steel, brass or stainless steel. To view specifications for each model, see the chart below.

Type Actual bore Ø (mm) Nom. max. End Fitting size Max. WP (psi) Cv Comments
Steel Brass Stainless Steel One side with valves Both sides with valves
SG-006 6 1/2" 3,625 N/A N/A 1.0 0.73 --
MD-006 6 1/2" 2,900 580 1,450 1.0 0.73 --
MD-007 7 1/2" 3,625 580 1,450 1.25 0.95 --
MD-012 12 1" 3,625 580 1,450 4.34 3.25 --
MD-019 19 1" 3,625 580 725 11.2 7.5 --
MD-025 25 1-1/2" 3,190 580 725 15.6 13.0 --
MD-032 32 2" 2,900 580 580 29.4 23.8 --
MD-050 50 2-1/2" 1,450 435 435 68 59 --

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