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Products 
Specialty Couplers and Fittings
Automatic Shut-Off Quick Couplers
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9840-9863
- Fast and convenient
- Tested for vacuum to 5 microns
- Compatible with all refrigerants
- Range: -50°F to +200°F to +150° F
- ISO "B" Interchangeability
- Connect and disconnect without loss of pressure/vacuum
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Vacuum lines and refrigerant charging lines are quickly and easily connected and disconnected using Airserco’s automatic two-way Shut-off Quick Couplers. When the coupler socket and plug are connected, complete seal is achieved by compressing the O-ring in the socket against the plug’s outer surface. When they are disconnected, spring-activated valve assemblies in both the socket |
| Socket |
Dust Cover |
| Stock Number |
Size |
Length |
Stock Number |
| 9830 |
1/8" FPT |
1 9/10" |
9832 |
| 9840 |
1/4" FPT |
2 17/64" |
9842 |
| 9850 |
3/8" FPT |
2 9/16" |
9852 |
| 9860 |
1/2" FPT |
2 13/16" |
9862 | |
and plug provide immediate and complete seal. For refrigerant compatibility, all valve seats and O-rings are made of special neoprene compound. Maximum Safe Working Pressures: 4,000 PSI. |
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| Plug |
Dust Cover |
| Stock Number |
Size |
Length |
Stock Number |
| 9831 |
1/8" FPT |
1.17" |
9833 |
| 9841 |
1/4" FPT |
1.4" |
9843 |
| 9851 |
3/8" FPT |
1.5" |
9853 |
| 9861 |
1/2" FPT |
1.84" |
9863 | |
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| Stock Number |
Female Pipe Thread |
Across Flats |
Plug Length |
Sleeve Diameter |
Coupler Length |
Overall Length Coupled Position |
| 9830 |
1/8" NPTF |
9/16 (.560) |
1.17 |
0.99 |
1.91 |
2.35 |
| 8940 |
1/4" NPTF |
3/4 (.750) |
1.4 |
1.18 |
2.27 |
2.84 |
| 9850 |
3/8" NPTF |
7/8 (.875) |
1.5 |
1.41 |
2.5 |
3.05 |
| 9860 |
1/2" NPTF |
1 1/8 (1.13) |
1.84 |
1.85 |
2.93 |
3.71 | |
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