Prevost

Prevost Stainless Steel Male Plug - Industrial Profile

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Description

Prevost Stainless Steel Male Plug - Industrial Profile

Prevost Stainless Steel Male Plugs - 1/4" Industrial Profile provide durable, corrosion-resistant quick-connect connections for professional compressed-air systems using the 1/4" Industrial profile. This PROXI stainless steel plug family combines a 1/4" ID passage with tapered male BSPT equipment connections.

This listing includes PROXI 066151 and PROXI 066152. Both models use the same 1/4" Industrial quick-connect profile and 1/4" ID passage, with a choice of R1/4 or R3/8 Male BSPT thread.

Product Highlights

  • Prevost stainless steel male compressed-air plug
  • 1/4" Industrial quick-connect profile
  • Stainless steel construction
  • Male tapered BSPT equipment connection
  • Available in R1/4 and R3/8 Male BSPT
  • 1/4" ID passage
  • Designed for compatible 1/4" Industrial-profile quick couplers
  • Corrosion-resistant construction for demanding applications
  • Suitable for professional compressed-air systems
  • Two equipment-side thread configurations available
  • Prevost PROXI stainless steel plug family

Available Stainless Steel Male Plug Configurations

Part Number Industrial Profile Male Thread ID Passage
PROXI 066151 1/4" R1/4 Male BSPT 1/4"
PROXI 066152 1/4" R3/8 Male BSPT 1/4"

Technical Specifications

Manufacturer Prevost
Product Family PROXI Stainless Steel Industrial Plug
Product Type Stainless Steel Male Plug
Connection Profile 1/4" Industrial Profile
Thread Type Male BSPT / R Thread
Available Thread Sizes R1/4 and R3/8 Male BSPT
ID Passage 1/4"
Construction Stainless Steel
Fluid Compressed Air
Connection Type Quick-Connect Plug
Catalog Section D1

Stainless Steel Construction

The Prevost Stainless Steel Male Plug - 1/4" Industrial Profile family is designed for compressed-air applications where durable metal construction and corrosion resistance are important.

  • Stainless steel construction
  • Corrosion-resistant material
  • Suitable for demanding professional environments
  • Designed for repeated connection and disconnection
  • Professional-grade pneumatic quick-connect component

1/4" Industrial Quick-Connect Profile

Both PROXI male plug variants use the same 1/4" Industrial quick-connect profile. This profile determines which quick coupler can accept the plug and should not be confused with the male BSPT thread size on the equipment side.

  • PROXI 066151: 1/4" Industrial Profile x R1/4 Male BSPT
  • PROXI 066152: 1/4" Industrial Profile x R3/8 Male BSPT
  • 1/4" ID passage on both variants
  • Designed for compatible 1/4" Industrial-profile couplers

Choose the Correct Male BSPT Connection

PROXI 066151 - R1/4 Male BSPT

  • 1/4" Industrial quick-connect profile
  • R1/4 Male BSPT equipment connection
  • 1/4" ID passage
  • Stainless steel construction
  • Installs into a compatible female BSP threaded port

PROXI 066152 - R3/8 Male BSPT

  • 1/4" Industrial quick-connect profile
  • R3/8 Male BSPT equipment connection
  • 1/4" ID passage
  • Stainless steel construction
  • Installs into a compatible female BSP threaded port

R Male BSPT Connection

Prevost identifies the threaded connections on these PROXI male plugs using the R designation. R threads are tapered male BSP threads and are different from the parallel G threads used on the corresponding female PROXI plug.

  • PROXI 066151 uses R1/4 Male BSPT
  • PROXI 066152 uses R3/8 Male BSPT
  • R identifies a tapered male BSP thread
  • Do not substitute NPT solely because the nominal thread size appears similar
  • Verify the mating equipment thread standard before installation

1/4" ID Passage

Both stainless steel male plug variants provide a 1/4" ID passage through the quick-connect component.

  • 1/4" internal passage
  • Same passage size on both variants
  • Designed for compatible compressed-air applications
  • Verify complete-system airflow requirements before installation

Industrial Profile vs. Male BSPT Thread

The 1/4" Industrial profile and the R male BSPT thread describe two separate sides of the Prevost PROXI plug.

  • The 1/4" Industrial profile determines which quick coupler accepts the plug.
  • The R male BSPT thread determines which threaded pneumatic component the plug installs into.
  • PROXI 066151 uses R1/4 Male BSPT.
  • PROXI 066152 uses R3/8 Male BSPT.
  • Both models retain the same 1/4" Industrial quick-connect profile.
  • Always verify both the profile and equipment thread before ordering.

Male Plug Selection Guide

Part Number Male Thread Industrial Profile ID Passage
PROXI 066151 R1/4 Male BSPT 1/4" 1/4"
PROXI 066152 R3/8 Male BSPT 1/4" 1/4"

Male Plug Configuration

Quick-Connect Side

  • 1/4" Industrial profile
  • 1/4" ID passage
  • Connects to a compatible 1/4" Industrial-profile quick coupler

Equipment Side

  • Tapered male BSP thread
  • R1/4 or R3/8 options
  • Installs into a compatible female BSP threaded component

Designed for Compatible Industrial-Profile Couplers

The Prevost Stainless Steel Male Plug - 1/4" Industrial Profile should be used with a compatible quick coupler designed for the corresponding 1/4" Industrial connection profile.

  • Match the plug and coupler quick-connect profiles
  • Do not determine coupler compatibility from the BSPT thread size
  • Do not force the plug into an incompatible quick coupler
  • Verify the existing coupler profile when replacing a plug
  • Inspect plug and coupler mating surfaces periodically

Common Applications

Shop & Service Applications

  • Compressed-air equipment
  • Pneumatic hand tools
  • Service equipment
  • Maintenance systems
  • Compressed-air hose assemblies
  • Shop air systems
  • Pneumatic fittings
  • Equipment connections

Industrial & Demanding Environments

  • Manufacturing facilities
  • Production equipment
  • Industrial machinery
  • Plant maintenance
  • Applications where stainless steel construction is preferred
  • Process equipment
  • Professional compressed-air systems
  • Corrosion-prone operating environments

How to Select the Correct Prevost Stainless Steel Male Plug

  • Step 1: Confirm that the quick coupler uses the 1/4" Industrial profile.
  • Step 2: Identify the female BSP thread on the pneumatic component.
  • Step 3: Select PROXI 066151 for an R1/4 Male BSPT connection.
  • Step 4: Select PROXI 066152 for an R3/8 Male BSPT connection.
  • Step 5: Confirm the mating thread standard rather than selecting solely by nominal size.
  • Step 6: Verify that the 1/4" ID passage meets the application's airflow requirements.
  • Step 7: Verify the operating limits of the complete compressed-air system.

Complete Product Reference

PROXI 066151 Prevost Stainless Steel Male Plug - 1/4" Industrial Profile x R1/4 Male BSPT - 1/4" ID Passage
PROXI 066152 Prevost Stainless Steel Male Plug - 1/4" Industrial Profile x R3/8 Male BSPT - 1/4" ID Passage

Installation & Safety Guidance

  • Depressurize pneumatic equipment before installing or removing the plug.
  • Confirm that the existing coupler uses the correct 1/4" Industrial profile.
  • Verify the equipment thread standard and size before installation.
  • Use thread-sealing materials and installation practices appropriate for BSPT connections.
  • Do not substitute NPT connections for BSPT without confirming compatibility.
  • Do not force the plug into an incompatible quick coupler.
  • Inspect the stainless steel plug periodically for excessive wear, corrosion, deformation, or damage.
  • Inspect the mating coupler and sealing components during routine maintenance.
  • Replace damaged or excessively worn components.
  • Do not exceed the pressure, temperature, or service limits of the complete compressed-air system.

Product Documents

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Frequently Asked Questions

What product family is included in this listing?

This listing is for the Prevost Stainless Steel Male Plug - 1/4" Industrial Profile family.

Which SKUs are included?

The listing includes PROXI 066151 and PROXI 066152.

Are these plugs stainless steel?

Yes. Both variants are part of the Prevost stainless steel PROXI Industrial quick-connect family.

What quick-connect profile do these plugs use?

Both variants use the 1/4" Industrial quick-connect profile.

What is the ID passage?

Both variants have a 1/4" ID passage.

What is PROXI 066151?

PROXI 066151 is a Prevost Stainless Steel Male Plug with a 1/4" Industrial profile, R1/4 Male BSPT connection, and 1/4" ID passage.

What is PROXI 066152?

PROXI 066152 is a Prevost Stainless Steel Male Plug with a 1/4" Industrial profile, R3/8 Male BSPT connection, and 1/4" ID passage.

What does the R thread designation mean?

R identifies a tapered male BSP thread. PROXI 066151 uses R1/4 and PROXI 066152 uses R3/8.

Are these NPT threads?

No. These male PROXI plugs use tapered BSPT / R threads. Confirm the mating equipment thread before installation.

Is this a plug or a coupler?

These products are plugs. They insert into compatible 1/4" Industrial-profile quick couplers.

Does the R thread size determine quick-coupler compatibility?

No. The R thread determines the equipment-side threaded connection. Quick-coupler compatibility is determined by the 1/4" Industrial profile.

Which Prevost spec sheet applies to this product?

This is a PROXI stainless steel Industrial-profile plug. The CSM and PrevoS1-specific specification sheets do not directly apply to this product family, so the Prevost catalog is provided as the product reference.

Important Ordering Notes

  • This listing is specifically for Prevost Stainless Steel Male Plugs.
  • PROXI 066151: 1/4" Industrial Profile x R1/4 Male BSPT.
  • PROXI 066152: 1/4" Industrial Profile x R3/8 Male BSPT.
  • Both variants are stainless steel.
  • Both variants use the 1/4" Industrial quick-connect profile.
  • Both variants have a 1/4" ID passage.
  • R1/4 and R3/8 identify tapered male BSP threads.
  • These are not NPT connections.
  • The Industrial profile and equipment thread are separate specifications.
  • Verify both before ordering.
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