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Compression Tube Cap Stainless Steel SS316L QCR-Metal Face Fitting 1/8"-1" Bright Anneal/Electro Polishing
High Purity VCR Fitting Cap Vacuum Cap Stainless Steel BA/EP Cap Leak Test Port Seals SS316L Metal Face Seal Cap
- Overview
- Recommended Products
QiiMii metal face seal (QCR) fittings can be used as a high purity components in high vacuum or high pressure system. When the female and male nuts are tightened, the gasket is compressed by two highly polished circular flanges. The visual inspection and leak test are carried out through two ports at opposite positions to the internally threaded nut.
Surface Finishing
Surface Finishing |
Surface Roughness |
BA |
0.4-1.0μm |
EP |
0.13-0.25μm |
Temperature Rating
Material |
°F |
°C |
SS316L |
1000 |
538 |
Pressure Ratings
Tube O.D. |
Wall Thickness |
Pressure Rating |
|
Psi |
Bar |
||
1/8" |
0.028"(0.71mm) |
8550 |
590 |
1/4" |
0.035"(0.89mm) |
5200 |
359 |
3/8" |
0.035"(0.89mm) |
3350 |
231 |
1/2" |
0.049"(1.24mm) |
3750 |
259 |
3/4" |
0.065"(1.65mm) |
2400 |
165 |
1" |
0.065"(1.65mm) |
2400 |
165 |
Plating
Female nuts are silver plated for easy assembly,consistent make-up, prevention of galling and reduction of the torque required for fitting assembling.
Assembly Instruction
Step 1
Insert gasket into female nut and make sure the gasket is settled in proper position. Also make sure no damages on seal part while inserting.
Step 2
Turn female nut until it comes into contact with male nut. And make sure seal part and gasket are placed in proper position.
Step 3
Final tightening shall be completed by assembly tools such as tools such as two spanners. Tighten the female nut 1/8-1/6 turns with second spanner and make sure that components screwing except female nut could damage the seal part to reduce the seal capacity.
Step 4
Make sure seal part and gasket are placed in proper position.
Example
Short Grand QCR 1/2" xtube O.D. Size 1/4", weld tube length =19.1mm, SS316L and Electro Polishing
Cap
*Material:SS316L
| Model | OCR Size (Inch) | A/mm | B/mm | N.W. (g) |
|---|---|---|---|---|
| FDC012 | 1/8 | 16 | 11.1 | |
| FDC014 | 1/4 | 23.9 | 19.1 | |
| FDC018 | 1/2 | 25.6 | 27 | |
| FDK0112 | 3/4 | 32.8 | 38.1 | |
| FDC0116 | 1 | 39.1 | 44.5 |
