Connection Type Connection Type | Show |
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 | Hose |
Quick-Disconnect Shape Quick-Disconnect Shape |
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 | Pioneer |
Connection Style Connection Style |
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| Threaded |
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| Quick Disconnect |
Coupling Size Coupling Size |
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For Use With For Use With |
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Compatible With Compatible With |
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Material Material |
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Maximum Pressure Maximum Pressure |
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Shape Shape |
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 | Straight |
Type Type |
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 | Adapter |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Maximum Vacuum Maximum Vacuum |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Vacuum Rating Vacuum Rating |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Stem Finish Stem Finish |
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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Pioneer Quick-Disconnect Hose Couplings for Hydraulic Fluid
A complete coupling consists of a plug and a socket (both sold separately) that connect and disconnect quickly. Use them if you need frequent access to a hydraulic hose line. All of the Pioneer quick-disconnect plugs are compatible with any of the Pioneer quick-disconnect sockets of the same coupling size, regardless of the pipe size. Plugs are compatible with Parker 4000, Parker 4200, SafeWay S20, and SafeWay S40 sockets. Also known as double shut-off couplings, the plugs and sockets both have a shut-off valve that stops the flow when the coupling is separated. Plugs and sockets are zinc-plated steel, which is strong and durable with fair corrosion resistance.
Plugs are also known as nipples.
Plugs and sockets with a gasket offer extra protection against leaks.
NPTF (Dryseal) threads are compatible with NPT threads.
Note: To ensure a correct fit, make sure that the plug and socket have the same coupling size. Pressure ratings are given for static (constant) pressure conditions.
Warning: Never attempt to connect or disconnect couplings when operating at maximum pressure. Stop the flow before you disconnect the line.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: 3,000 psi @ 72° F
- Maximum Vacuum: 27 in. of Hg @ 72° F
- Temperature Range: -40° to 250° F
- Compatible With: Parker 4000, Parker 4200, SafeWay S20, SafeWay S40
Plugs | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Plug Tip | Optional Dust Caps | ||||||||
| Coupling Size | Lg. | Dia. | Pipe Size | Dash Size | Each | Choose a Color | Each | ||
Zinc-Plated Steel | |||||||||
| 1/2 | 3/8" | 13/16" | 1/2 | 08 | 0000000 | 00000 | 0000000 | 00000 | |
| 1/2 | 3/8" | 13/16" | 3/4 | 12 | 0000000 | 00000 | 0000000 | 0000 | |
Zinc-Plated Steel with Buna-N Rubber Gasket | |||||||||
| 1/2 | 3/8" | 13/16" | 1/2 | 08 | 0000000 | 00000 | 0000000 | 0000 | |
| 1/2 | 3/8" | 13/16" | 3/4 | 12 | 0000000 | 00000 | 0000000 | 0000 | |