# Dichtomatik ST378 PTFE Single Turn Split Backup Ring - Anti-Extrusion Ring for O-Ring Support - MROSupply.com

***Dichtomatik ST378 PTFE single turn split backup ring designed for high-pressure sealing applications. Prevents extrusion of O-rings and other elastomeric seals in static and dynamic systems. PTFE offers excellent chemical resistance and a temperature range of -100°F to +500°F.***



## Product details:

- Catalog number: ST378
- SKU: 2808188
- Call for Pricing - 888-671-2883
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Dichtomatik](https://www.mrosupply.com/brands/dichtomatik/)
- Category: 
    - [Standard Flat Back-Up Rings](htts://www.mrosupply.com/seals/back-up-rings/standard-flat-back-up-rings/)
    - [Back-Up Rings](htts://www.mrosupply.com/seals/back-up-rings/)
    - [Seals](htts://www.mrosupply.com/seals/)
- Unit of measure: each
- Weight: 0.003 lb
- Technicall support: contact supplier for technical support on 800 328 2840


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Dash Number: 378
  

  
- Domestic/Import: Domestic
  

  
- I.D.: 10-1/2 in
  

  
- Material: PTFE
  

  
- Temperature Rating: -65 to 500 deg F
  

  
- Type: 1-Turn
  


## Product's reviews:
- Seals - Hard to find seal. Fast service, free shipping. Good price.
- Seals - Fast delivery, very resonable cost
- Great support of delivery - Thanks! for the help you gave me for the Delivery Next Day!
- Dichtomatick order - Very reliable