Differences

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--- equipment:vacuum:fittings [2013/11/23 05:46] – mcmaster
+++ equipment:vacuum:fittings [2025/08/04 21:23] (current) – external edit 127.0.0.1
@@ Line 43: / Line 43: @@
 VCO gaskets/fittings can be reused many times.  Gaskets are inexpensive to replace if damaged.
+===== Pressure =====
+Didn't see ratings specific to particular connector types.  However, [Vacuum Tubing Products]:
+  * "1/4 in. outside diameter tube—ultrahigh vacuum (10 –9 torr) to 100 psig (6.8 bar)
+  * 3/8 in. through 1 1/2 in. outside diameter tube—ultrahigh vacuum (10 –9 torr) to 25 psig (1.7 bar)"
+===== Temperature =====
+[Vacuum Tubing Products]:
+  * "VCR end connections—70 to 1000°F (20 to 537°C)
+  * VCO end connections—70 to 400°F (20 to 204°C), based on standard fluorocarbon FKM O-ring material
+  * XBA end connections—70 to 1000°F (20 to 537°C)
+    * When used with Ultra-Torr fittings—70 to 400°F (20 to 204°C)"
@@ Line 190: / Line 208: @@
 Because of the gland nature it would seem hard to convert the more readily availble Swagelok tube adapters to VCR fittings without using a separate tube fitting to VCR adapter
+Naming seems to follow MAT-OD-X-LENPFX
+  * MAT: 321 for 321 stainless steel
+  * OD: outer diamter of tubing as 16ths of an inch (4/16 = 1/4)
+  * X: flexible convoluted tubing?
+  * LEN: length in inches (which part exactly?)
+  * PFX: postfix
+Naming  examples:
+  * 321-4-X-2FR: 321 SS, 1/4" OD tubing,  with VCR female on one end
+  * 321-4-X-2DFR for convoluted tubing with VCR female on both ends