---
title: Changes - Parker Prestolok Push-to-Connect Fittings
description: Update on Parker's line of push-to-connect fittings. Download free catalog
---

[Industry News & Information Blog by Motion & Flow Control Products ](https://www.mfcp.com/blog)

# [Changes - Parker Prestolok Push-to-Connect Fittings](https://www.mfcp.com/blog/changes-parker-prestolok-push-to-connect-fittings)

 Written by [Marek Bobik](https://www.mfcp.com/blog/author/marek-bobik-gravitar) | Fri, Apr 27, 2012 @ 03:32 PM

| **PLII** OBSOLETE |   **PLM** | **PLS** | **PLP** Brass | **PLP** Composite | **Liquifit** | **TrueSeal** |
| --- | --- | --- | --- | --- | --- | --- |

## Prestolok II Replaced by Prestolok Plus

Parker PL II (Prestolok II) line of push-to-connect pneumatic fittings has been discontinued at the end of 2011 and replaced by the new Prestolok PLP (Prestolok Plus).

|  | ### PLP Fittings - More compact - Rated to higher working pressure - Available in more configurations - Cost is 15% - 25% less, depending on size and shape. PLP fittings are available with nickel-plated brass or composite bodies. |
| --- | --- |

 

## Prestolok PLM and Prestolok PLS Added to the Offering

|   | Prestolok PLM (electroless nickel plated brass body) is specifically designed for industrial, chemical, life science, automation, and food processing applications. |
| --- | --- |
|   | Prestolok PLS (stainless steel body) is specifically designed for petrochemical, life science, pulp and paper, food processing, and caustic wash down applications. |

## Liquifit Fittings Now Available from Motion & Flow Control Products, Inc.

|   | Liquifit fittings complement the existing Parker TrueSeal line. They feature a stainless steel grab ring, engineered polymer body, and an EPDM D-seal. They are the industry’s favorite push-to-connect fitting for water filtration and potting applications. |
| --- | --- |

## Current Parker Push-to-Connect Fittings Line-Up:

- **Prestolok PLM** nickel plated brass push-to-connect fittings for food fluids, harsh detergents, cleaning in cold/hot water, steam, oils
- **Prestolok PLS** stainless steel push-to-connect fittings for food fluids, chemicals, cleaning agents
- **Prestolok PLP Nickel Plated Brass** push-to-connect fittings for air, oil, inert gases, vacuum
- **Prestolok PLP Composite** push-to-connect fittings for air, cutting fluids, inert gases, vacuum
- **Liquifit** push-to-connect fittings for water, beverages, food, CO2 
- **TrueSeal** push-to-connect fittings for air, water, soft drinks, beer, wine, dyes

**Download the free [Bulletin 3501 PTC-QRG](https://www.mfcp.com/hs-fs/file-27980153-pdf/docs/catalogs/parker-bul3501-ptc-qrg.pdf) for more details! [Push-to-connect fittings line - summary.](https://www.mfcp.com/our-blog/bid/77252/Changes-to-Parker-Push-to-Connect-Fittings-Line-Summary)**

 

Posted by Marek Bobik

|  |   |   |
| --- | --- | --- |

 

[View full post](https://www.mfcp.com/blog/changes-parker-prestolok-push-to-connect-fittings)

```json
{
  "@context" : "http://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Marek Bobik"
  },
  "dateModified" : "2025-04-17T20:01:50.203Z",
  "datePublished" : "2012-04-27T15:32:00Z",
  "headline" : "Changes - Parker Prestolok Push-to-Connect Fittings",
  "image" : {
    "@type" : "ImageObject",
    "height" : 154,
    "url" : "//cdn2.hubspot.net/hub/79679/file-27958369-png/images/blog/2012/parker-prestolok-2-fittings.png",
    "width" : 250
  },
  "mainEntityOfPage" : "https://www.mfcp.com/blog/changes-parker-prestolok-push-to-connect-fittings",
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "height" : 60,
      "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png",
      "width" : 60
    },
    "name" : "MFCP Blog"
  }
}
```