QF Nipple Assembly 16ga
Heavier gauge QF Nipple Assembly should be specified for length adjustments when using 16 gauge pipe. Includes cut pipe, clamp, nipple, and black nitrile O-ring for sealing (red silicone available for high-temperature applications). Only made in galvanized steel.
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This heavier gauge Nipple Assembly is used to provide variable length adjustments in straight lines of heavier gauge QF pipe. This assembly includes a cut pipe, nipple, and clamp in 16 gauge metal. Specify this version for length adjustments in 16 gauge pipe. This version comes with a black nitrile O-ring for seal; specify a red silicone O-ring for higher-temperature applications.
QF Nipple Assembly 16 gauge are manufactured as follows:
- In Galvanized metal only
- With rolled QF End diameters from 8 to 24 inches
- Construction: Longitudinal seam is laser welded.
- All Nipple assembly's come in 60 inch length's.
| Size
in. |
Weight
lbs. |
OD
in. |
ID
in. |
Rolled Edge
nom. in. |
|---|---|---|---|---|
| 8 | 53 | 7.95 | 7.82 | 0.3 |
| 9 | 55 | 8.95 | 8.82 | 0.3 |
| 10 | 56 | 9.95 | 9.82 | 0.3 |
| 12 | 60 | 12.04 | 11.91 | 0.4 |
| 14 | 68 | 14.04 | 13.91 | 0.4 |
| 16 | 72 | 16.04 | 15.91 | 0.4 |
| 18 | 78 | 18.04 | 17.91 | 0.4 |
| 20 | 84 | 20.04 | 19.91 | 0.4 |
| 22 | 90 | 22.05 | 21.92 | 0.4 |
| 24 | 98 | 24.02 | 23.89 | 0.4 |
Galvanized Gauge Metal Thickness
| Gauge | Inches | Millimeters |
|---|---|---|
| 16 | 0.0635 | 1.61 |
NOTES:
- At temperatures ranging between 390° F and 480° F, the zinc-iron alloy layers in the galvanized steel will continue to provide a high level of protection from corrosion. However, there may be some peeling, changes in mechanical properties, and reduction in the corrosion protection. Recommended maximum service temperature is 390° F.
- For 304 SS metal, bluing may occur at temperatures of 800° F and above.
| Item | Material | Compliance/Rating |
|---|---|---|
| QF Adjustable Nipple Assembly 16 Gauge | Galvanized | ASTM A653 with a G-90 Rating |
| 3M Scotch Seal Metal Sealant 2084 | Polyurethane | ASTM E162 ASTM E662 Bombardier SP 800-C |
| Rock River Silicone Sealant | 100% Silicone | ASTM C920 Class 25 TT-S-00230C Class A and TT-S-001543A FDA No. 421 CFR 117.2600, conforms to FDA requirements |
| Red Devil HVAC/R High Temperature Silicone Sealant | Silicone | ASTM C920 Class 25 TT-S-00230C Class A and TT-S-001543A CEBTP 432.6 140-2 Mil Spec 46106A CGSB 19C9-9B DIN 18540 Part 2 Orex 150031-2 |
| O-ring, black | Buna-N | 60 Duro-Meter hardness |
| O-ring, red | Silicone rubber | ZZ-R-765 Class 2A 2B grade 70 AMS-3304E 3304F and 3303G FDA approved |