Valco stainless steel loops
Go to loops for:
Two position valves
• 1/32" fittings, 0.25 mm ports (.010") -
W Type valves
• 1/16" fittings, 0.40 mm ports (.016") -
W Type valves
• 1/16" fittings, 0.75 mm ports (.030") -
UW Type valves
• 1/8" fittings, 0.75 mm ports (.030") -
UW Type valves
• 1/8" fittings, large bore -
UW Type valves
Multiposition valves
• ST low pressure - 1/16" fittings, 0.75 mm ports (.030") -
MW Type valves
• ST low pressure - 1/8" fittings, 1.0 mm ports (.040") -
MW Type valves
• ST high pressure - 1/16" fittings, 0.40 mm ports (.016") -
MW Type valves
Loops are electrolytically cut and electrochemically polished to insure square,
burr-free ends, then cleaned with microfiltered steam from deionized water.
Valco sample loops are accurately sized for each valve type. The volume tolerance
matches the ID tolerance of the tubing, which is typically ± 0.001" for Valco tubing.
This results in a variance ranging from 20% with tubing of 0.005" diameter (0.001" is
20% of 0.005") to 2.5% for loops made from tubing 0.040" in diameter.
Materials
Standard material is stainless steel. Other materials are available in many sizes:
Electroformed Nickel, Hastelloy C, Nickel 200, PEEK, PTFE, and Titanium.
Contact the factory for the optional materials.
Further reference
Properties of metals
Properties of polymers
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