Prevost
Prevost PrevoS1 Safety Quick Hose Stem Coupler - High Flow Profile
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- Usually in Stock – Ships Quickly
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Description
Prevost PrevoS1 Safety Quick Hose Stem Coupler - High Flow Profile
Prevost PrevoS1 ESI Safety Quick Hose Stem Couplers combine a direct compressed-air hose connection with the controlled safety disconnection of the PrevoS1 coupling system. This listing includes couplers with 3/8" and 1/2" ID passages and hose stems sized for 1/4", 3/8", 1/2", 5/8", and 3/4" air hose.
The integrated hose stem allows the coupler to connect directly to compatible flexible compressed-air hose, while the PrevoS1 release system helps provide safer tool changes. Pressing the release button first decompresses downstream air before releasing the mating plug, helping reduce sudden hose movement and hose-whip hazards.
Product Highlights
- Prevost PrevoS1 safety quick hose stem coupler
- ESI quick-coupling family
- High Flow Profile
- Available with 3/8" or 1/2" ID passage
- Integrated hose stem / hose barb connection
- Hose sizes from 1/4" through 3/4"
- Seven hose-size and passage combinations
- Direct connection to compatible compressed-air hose
- One-button safety disconnection
- Downstream decompression before plug release
- Helps reduce hose whip during disconnection
- Ergonomic PrevoS1 composite-body design
- Designed for professional pneumatic systems
Available Configurations
| ESI 071806 | 3/8" ID Passage x 1/4" Hose Stem |
|---|---|
| ESI 071810 | 3/8" ID Passage x 3/8" Hose Stem |
| ESI 071813 | 3/8" ID Passage x 1/2" Hose Stem |
| ESI 111810EB | 1/2" ID Passage x 3/8" Hose Stem |
| ESI 111813EB | 1/2" ID Passage x 1/2" Hose Stem |
| ESI 111816EB | 1/2" ID Passage x 5/8" Hose Stem |
| ESI 111819EB | 1/2" ID Passage x 3/4" Hose Stem |
Technical Specifications
| Manufacturer | Prevost |
|---|---|
| Product Series | PrevoS1 |
| Product Type | Safety Quick Hose Stem Coupler |
| Coupling Family | ESI |
| Available ID Passages | 3/8" and 1/2" |
| Hose Connection | Integrated Hose Stem / Hose Barb |
| Available Hose IDs | 1/4", 3/8", 1/2", 5/8", and 3/4" |
| Fluid | Compressed Air |
| Body Style | PrevoS1 Composite Body |
| Disconnection System | Controlled Decompression Followed by Plug Release |
Two ID Passage Families
3/8" ID Passage
The ESI 07 couplers in this listing use a 3/8" ID passage and are available for several common compressed-air hose sizes.
- ESI 071806 - 1/4" hose ID
- ESI 071810 - 3/8" hose ID
- ESI 071813 - 1/2" hose ID
1/2" ID Passage
The larger ESI 11EB couplers use a 1/2" ID passage and provide hose-stem options for larger pneumatic hose assemblies.
- ESI 111810EB - 3/8" hose ID
- ESI 111813EB - 1/2" hose ID
- ESI 111816EB - 5/8" hose ID
- ESI 111819EB - 3/4" hose ID
Understanding ID Passage vs. Hose ID
The coupler ID passage and hose ID are separate specifications.
The coupler ID passage describes the internal airflow path through the quick coupling. The hose ID determines which flexible compressed-air hose fits over the hose stem.
- A 3/8" ID-passage coupler can be supplied with a 1/4", 3/8", or 1/2" hose stem.
- A 1/2" ID-passage coupler can be supplied with a 3/8", 1/2", 5/8", or 3/4" hose stem.
- Hose size does not by itself determine mating-plug compatibility.
- Confirm both the coupling family and hose inside diameter before ordering.
Direct Hose Stem Connection
The integrated hose stem allows the coupler to connect directly to compatible flexible compressed-air hose without adding a separate threaded hose adaptor.
- Select the stem according to the actual inside diameter of the hose.
- Push the hose fully onto the stem during assembly.
- Secure the hose with a retention method appropriate for the hose construction.
- Verify that the hose is rated for the system pressure and temperature.
- Inspect the hose-to-stem connection periodically for loosening or leakage.
PrevoS1 Safety Disconnection
The PrevoS1 safety mechanism controls the release of compressed air before the mating plug separates from the coupler.
Pressing the release button initiates downstream decompression first. The plug is released after trapped pressure has been vented, helping reduce sudden hose movement and hose whip.
- Simple one-button operation
- Controlled decompression before disconnection
- Helps reduce hose-whip hazards
- Designed for frequent pneumatic-tool changes
- Integrated safety function requires no separate valve operation
Hose Size Options
1/4" Hose
ESI 071806 provides a 1/4" hose stem with the 3/8" ID-passage coupling family.
3/8" & 1/2" Hose
Both passage families include options for common 3/8" and 1/2" hose IDs, allowing the coupling family to be selected independently from hose size.
5/8" & 3/4" Hose
The 1/2" ID-passage ESI 11EB family adds 5/8" and 3/4" hose-stem options for larger flexible compressed-air lines.
Safety & Usability Benefits
Controlled Release
PrevoS1 decompression occurs before plug release, helping make disconnection more controlled.
Direct Hose Installation
The integrated hose stem reduces the number of threaded components required between the quick coupling and flexible air hose.
Ergonomic Design
The composite PrevoS1 body and large green release button provide a comfortable gripping surface and straightforward operation.
Common Applications
Shop & Service
- Automotive repair facilities
- Body shops
- Equipment service departments
- Pneumatic tool hoses
- Portable shop-air hoses
- Maintenance departments
- Workstation air lines
Industrial & Manufacturing
- Manufacturing facilities
- Assembly lines
- Machine shops
- Production equipment
- Plant maintenance
- Flexible pneumatic hose assemblies
- Industrial compressed-air systems
How to Select the Correct Hose Stem Coupler
- Step 1: Determine the required ESI coupling family and ID passage.
- Step 2: Determine the actual inside diameter of the compressed-air hose.
- Step 3: Select the hose stem that matches the hose ID.
- Step 4: Verify that the mating plug matches the selected ESI coupling family.
- Step 5: Confirm that the hose and coupler are suitable for the system pressure and application.
- Step 6: Use an appropriate hose-retention method during assembly.
Complete Variant Reference
| ESI 071806 | 3/8" ID Passage x 1/4" Hose Stem |
|---|---|
| ESI 071810 | 3/8" ID Passage x 3/8" Hose Stem |
| ESI 071813 | 3/8" ID Passage x 1/2" Hose Stem |
| ESI 111810EB | 1/2" ID Passage x 3/8" Hose Stem |
| ESI 111813EB | 1/2" ID Passage x 1/2" Hose Stem |
| ESI 111816EB | 1/2" ID Passage x 5/8" Hose Stem |
| ESI 111819EB | 1/2" ID Passage x 3/4" Hose Stem |
Installation & Safety Guidance
- Depressurize the compressed-air system before assembling, removing, or servicing hose connections.
- Match the hose stem to the actual inside diameter of the hose.
- Push the hose completely onto the stem before applying the retention device.
- Use a clamp or hose-retention system appropriate for the hose material and working pressure.
- Verify mating-plug compatibility before pressurizing the system.
- Do not select a coupler based only on hose size.
- Inspect the hose, hose stem, retention device, coupler, and plug periodically for wear, damage, or leakage.
- Replace damaged or excessively worn components.
- Do not exceed the ratings of the lowest-rated component in the hose assembly.
- Compressed-air hose assemblies should be installed and serviced by qualified personnel.
Product Documents
Review the Prevost PrevoS1 Quick Coupling specification sheet for additional information about PrevoS1 coupling technology, ESI connection profiles, hose connections, safety operation, and compressed-air applications.
Frequently Asked Questions
Which part numbers are included in this listing?
This listing includes ESI 071806, ESI 071810, ESI 071813, ESI 111810EB, ESI 111813EB, ESI 111816EB, and ESI 111819EB.
What ID passage sizes are available?
This listing includes couplers with 3/8" and 1/2" ID passages.
What hose sizes are available?
Available hose-stem sizes include 1/4", 3/8", 1/2", 5/8", and 3/4", depending on the selected coupling family.
What hose sizes are available with the 3/8" ID passage?
The 3/8" ID-passage family is available for 1/4", 3/8", and 1/2" hose ID.
What hose sizes are available with the 1/2" ID passage?
The 1/2" ID-passage ESI 11EB family is available for 3/8", 1/2", 5/8", and 3/4" hose ID.
Is hose ID the same as coupler ID passage?
No. Hose ID determines the hose-stem connection, while coupler ID passage describes the internal flow path through the quick coupling.
Can the same hose size be used with different passage sizes?
Yes. For example, both the 3/8" and 1/2" ID-passage families include 3/8" and 1/2" hose-stem configurations. Quick-coupling compatibility must still be verified separately.
How does the PrevoS1 safety release work?
Pressing the release button first decompresses downstream compressed air and then releases the mating plug, helping reduce hose-whip hazards.
Does the hose stem screw into the hose?
No. The hose fits over the integrated stem. The hose should be installed fully and secured using a retention method appropriate for the hose and application.
Can I choose the coupler based only on hose size?
No. Hose size determines the required stem, but the coupling family and mating-plug compatibility must also match the pneumatic system.
What does the EB suffix identify?
The larger ESI 11 variants in this listing use the EB-suffix PrevoS1 configuration shown in the Prevost catalog.
Important Ordering Notes
- This listing includes seven Prevost PrevoS1 ESI hose-stem safety couplers.
- ESI 071806: 3/8" ID passage x 1/4" hose stem.
- ESI 071810: 3/8" ID passage x 3/8" hose stem.
- ESI 071813: 3/8" ID passage x 1/2" hose stem.
- ESI 111810EB: 1/2" ID passage x 3/8" hose stem.
- ESI 111813EB: 1/2" ID passage x 1/2" hose stem.
- ESI 111816EB: 1/2" ID passage x 5/8" hose stem.
- ESI 111819EB: 1/2" ID passage x 3/4" hose stem.
- Hose size and coupling ID passage are separate specifications.
- Verify the hose ID, coupling family, and mating plug before ordering.
