Prevost
Prevost PrevoS1 Stainless Steel Safety Quick Female Coupler - 1/2" Industrial Profile
- Availability:
- Allow 1-2 Days to Ship
- Weight:
- 0.00 LBS
Description
Prevost PrevoS1 Stainless Steel Safety Quick Female Coupler - 1/2" Industrial Profile
Prevost PrevoS1 Stainless Steel Safety Quick Female Couplers provide a rugged, high-flow compressed-air connection for demanding industrial environments using the 1/2" Industrial / ISO 6150 B profile. These ISI 11 couplers feature an 11 mm internal passage, stainless-steel body, and multiple female NPT inlet sizes for heavy-duty pneumatic systems.
The PrevoS1 safety system combines high airflow with controlled decompression and disconnection. One press of the release button first vents downstream pressure and then releases the plug, helping reduce hose-whip hazards during tool changes. The stainless-steel body is designed for harsh operating conditions where impact resistance, durability, corrosion resistance, and long service life are important.
Product Highlights
- Prevost PrevoS1 stainless-steel safety quick coupler
- 1/2" Industrial / ISO 6150 B profile
- 11 mm internal passage
- 148 SCFM at 100 PSI with a 10 PSI pressure drop
- Female NPT inlet connection
- Available with 3/8", 1/2", or 3/4" female NPT
- Three stainless-steel ISI 11 configurations
- One-button decompression and disconnection
- Helps reduce hose whip during disconnection
- Stainless-steel body with 17% chromium
- Designed for tough and harsh operating environments
- Nitrile NBR O-ring seal
- Anti-static construction
- Suitable for high-demand industrial pneumatic applications
Available Configurations
| ISI 111202 | 1/2" Industrial Profile x 3/8" Female NPT |
|---|---|
| ISI 111203 | 1/2" Industrial Profile x 1/2" Female NPT |
| ISI 111204 | 1/2" Industrial Profile x 3/4" Female NPT |
Technical Specifications
| Manufacturer | Prevost |
|---|---|
| Product Series | PrevoS1 |
| Coupler Family | ISI 11 |
| Product Type | Stainless Steel Safety Quick Female Coupler |
| Connection Profile | Industrial / ISO 6150 B |
| Nominal Profile Size | 1/2" |
| Internal Passage | 11 mm |
| Flow Rate | 148 SCFM at 100 PSI with 10 PSI Pressure Drop |
| Female NPT Options | 3/8", 1/2", and 3/4" |
| Body Material | Stainless Steel with 17% Chromium |
| Other Components | Steel or Aluminum with Corrosion-Resistant Treatment |
| Seal | Nitrile NBR O-Ring |
| Service Pressure Range | 29 to 232 PSI |
| Operating Temperature | 5°F to 158°F |
| Compatible Plug Family | IRP 11 Industrial Plugs |
| Disconnection System | Automatic Decompression Followed by Safe Disconnection |
Stainless-Steel Construction for Demanding Environments
The ISI 11 version of the PrevoS1 coupling uses a stainless-steel body with 17% chromium. Prevost positions the metal-body coupling for demanding applications where the connection may be exposed to impact, crushing, dirt, moisture, and other harsh operating conditions.
- Heavy-duty stainless-steel body
- Designed for intense impacts and demanding service
- Suitable for dirty or damp environments
- Corrosion-resistant construction
- Well suited for heavy industry and mobile equipment
- Higher maximum service pressure than the composite ISI 11EB version
1/2" Industrial High-Flow Connection
The ISI 11 coupling uses an 11 mm internal passage and Prevost's 1/2" Industrial / ISO 6150 B connection profile. Prevost publishes a flow rate of approximately 148 SCFM at 100 PSI with a 10 PSI pressure drop.
This high airflow makes the ISI 11 family suitable for pneumatic equipment that requires significantly more air than smaller 1/4" or 3/8" Industrial coupling systems.
One-Button Safety Disconnection
The PrevoS1 safety mechanism controls downstream pressure before the plug is released. One press of the button first decompresses the connected air line and then disconnects the plug.
This controlled sequence helps reduce hose whip and sudden movement during disconnection, supporting safer operation in industrial compressed-air systems.
Female NPT Connection Options
3/8" Female NPT
ISI 111202 combines the 1/2" Industrial / 11 mm flow profile with a 3/8" female NPT inlet.
1/2" Female NPT
ISI 111203 combines the 1/2" Industrial / 11 mm flow profile with a 1/2" female NPT inlet.
3/4" Female NPT
ISI 111204 combines the 1/2" Industrial / 11 mm flow profile with a 3/4" female NPT inlet.
Understanding Profile Size vs. Thread Size
The 1/2" Industrial profile and female NPT inlet size are independent specifications.
All three variants use the same ISI 11 Industrial quick-connect profile and 11 mm internal passage. The only connection-size difference between the variants is the female NPT inlet on the rear of the coupling.
- ISI 111202: 1/2" Industrial profile x 3/8" FNPT
- ISI 111203: 1/2" Industrial profile x 1/2" FNPT
- ISI 111204: 1/2" Industrial profile x 3/4" FNPT
- Female NPT size does not change which quick-connect plug profile is required.
Industrial / ISO 6150 B Compatibility
These couplers use Prevost's ISI 11 Industrial / ISO 6150 B profile and are designed for compatible IRP 11 plugs.
- Use with IRP 11 Industrial-profile plugs.
- Do not select the mating plug based only on NPT thread size.
- The plug profile must correspond to the ISI 11 coupling profile.
- Verify existing system compatibility before ordering.
Heavy-Duty Applications
Industrial & Manufacturing
- Heavy manufacturing
- Iron and steel production
- Foundries
- Cement plants
- Industrial maintenance
- High-air-demand pneumatic equipment
- Production machinery
Harsh & Mobile Environments
- Heavy construction
- Public works
- Mining and quarry operations
- Agricultural equipment
- Industrial vehicles
- Shipbuilding
- Offshore and demanding outdoor applications
How to Select the Correct Variant
- Step 1: Confirm the system requires the 1/2" Industrial / ISI 11 quick-connect profile.
- Step 2: Confirm that the 148 SCFM flow capacity is appropriate for the pneumatic equipment.
- Step 3: Select the female NPT inlet size required by the compressed-air system: 3/8", 1/2", or 3/4".
- Step 4: Confirm that the mating plug is an IRP 11 Industrial-profile plug.
- Step 5: Verify pressure, temperature, and installation requirements before placing the coupler into service.
Complete Variant Reference
| ISI 111202 | 1/2" Industrial Profile x 3/8" Female NPT |
|---|---|
| ISI 111203 | 1/2" Industrial Profile x 1/2" Female NPT |
| ISI 111204 | 1/2" Industrial Profile x 3/4" Female NPT |
Installation & Safety Guidance
- Depressurize the compressed-air system before installation or service.
- Verify that the selected female NPT inlet matches the system connection.
- Use thread-sealing materials and installation practices suitable for compressed-air service.
- Confirm that the mating plug uses the IRP 11 Industrial profile.
- Do not exceed the 232 PSI maximum service pressure.
- Keep operating temperature within the specified 5°F to 158°F range.
- Inspect the coupler and plug periodically for wear, contamination, damage, or air leakage.
- Replace damaged or excessively worn components.
- Compressed-air components should be installed and serviced by qualified personnel.
Product Documents
Review the Prevost PrevoS1 Quick Coupling specification sheet for additional information about the stainless-steel ISI 11 body, Industrial profile, airflow, materials, pressure ratings, and compatible IRP 11 plugs.
Frequently Asked Questions
Are these the composite ISI 11EB couplers?
No. This listing is specifically for the stainless-steel ISI 11 couplers: ISI 111202, ISI 111203, and ISI 111204.
What material is the coupler body made from?
Prevost specifies a stainless-steel body containing 17% chromium for the ISI 11 metal-body coupling.
What quick-connect profile do these couplers use?
They use the 1/2" Industrial / ISO 6150 B profile with an 11 mm internal passage.
What is the flow rate?
Prevost publishes a flow rate of approximately 148 SCFM at 100 PSI with a 10 PSI pressure drop.
Which plug family fits these couplers?
Use compatible Prevost IRP 11 Industrial-profile plugs.
What female NPT sizes are available?
This listing includes 3/8", 1/2", and 3/4" female NPT inlet connections.
Does the female NPT size change the quick-connect profile?
No. All three variants use the same ISI 11 / 1/2" Industrial quick-connect profile. Only the rear female NPT connection changes.
What is the maximum service pressure?
The stainless-steel PrevoS1 coupling is rated for service pressures from 29 to 232 PSI and is not suitable for vacuum service.
What is the operating temperature range?
Prevost specifies an operating temperature range of 5°F to 158°F.
How does the PrevoS1 safety release work?
One press first decompresses downstream pressure and then releases the plug, helping reduce hose-whip hazards during disconnection.
Why choose the stainless-steel version?
The stainless-steel ISI 11 is designed for demanding environments where impact resistance, corrosion resistance, durability, and a higher service-pressure capability are important.
Important Ordering Notes
- This listing includes three stainless-steel Prevost PrevoS1 ISI 11 female couplers.
- ISI 111202: 1/2" Industrial profile x 3/8" female NPT.
- ISI 111203: 1/2" Industrial profile x 1/2" female NPT.
- ISI 111204: 1/2" Industrial profile x 3/4" female NPT.
- These are ISI 11 stainless-steel couplers, not ISI 11EB composite-body couplers.
- All three variants use the same 11 mm / 1/2" Industrial profile.
- Use compatible IRP 11 Industrial plugs.
- Verify thread size, pressure requirements, and mating-plug compatibility before ordering.
