# Dichtomatik ST225S PTFE Backup Ring - 2.250 in ID, 2.625 in OD, 0.125 in Width - MROSupply.com

***Dichtomatik ST225S PTFE backup ring prevents O-ring extrusion in high-pressure static and dynamic sealing applications. Dimensions: 2.250 in ID, 2.625 in OD, 0.125 in width. PTFE offers excellent chemical resistance and a temperature range of -100°F to +500°F. Suitable for hydraulic and pneumatic systems.***



## Product details:

- Catalog number: 75089430
- SKU: 2806424
- Price: ***$3.43*** Each
- Quantity: This vendor has a minimum order quantity of
16.Order minimum ($) may be applied.
Add desired QTY to cart and proceed to checkout to view minimum'

- Brand Minimum Order Quantity - 16
(This is the minimum order quantity if ordering this unit alone
from the vendor. Adding other products from the same vendor will reduce
the overall requirement. If adding multiple products from same vendor,
please add all products to cart to see total minimum.)
- 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: 225
  

  
- Domestic/Import: Import
  

  
- I.D.: 1-7/8 in
  

  
- Material: PTFE
  

  
- O.D.: 2-1/8 in
  

  
- Temperature Rating: -65 to 500 deg F
  

  
- Thickness: 0.029 in
  

  
- Type: Solid
  

  
- Width: 0.121 in
  


## Product's reviews:
- Seals - Fast delivery, very resonable cost
- Fast shipping - Order was filled quickly. Product was as described and packaging was good.
- A+ - Perfect fit, my boat trailer back in the water.
- F150 a/c compressor get back o.d" - I Saved on the Cost of Parts & Labor by Redi-sleeving my I.D" of my A/C collar.
MRO has fair prices for redi-sleeve.