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Dichtomatik ST443S PTFE solid backup ring prevents O-ring extrusion in high-pressure static and dynamic sealing applications. PTFE backup rings offer excellent chemical resistance and a wide temperature range from -100°F to +500°F. Suitable for use in hydraulic and pneumatic systems where gap extrusion is a concern.
MODEL 75089679
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Contact supplier for technical support on: 800 328 2840
$29.70 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable: See conditions
Dash Number
443
Domestic/Import
Import
I.D.
7-1/2 in
Material
PTFE
O.D.
8 in
Temperature Rating
-65 to 500 deg F
Thickness
0.052 in
Type
Solid
Width
0.239 in
Dichtomatik Dichtomatik ST443S
UPC: | UNSPSC: 30181800 | GTIN:
Gaskets & Packing > O-Rings & O-Ring Kits > Backup Rings
DICHTOMATIK Back-Up Ring, Solid, 7-1/2 in Inside Dia, 8 in Outside Dia, 0.239 in W, 0.052 in Thickness, Dash Number: 443, -65 to 500 deg F, PTFE, Import
Specs:
| Dash Number | 443 |
|---|---|
| Temperature Rating | -65 to 500 deg F |
| Domestic/Import | Import |
| Inside Diameter | 7-1/2 in |
| Outside Diameter | 8 in |
| Material | PTFE |
| Thickness | 0.052 in |
| Width | 0.239 in |
| Type | Solid |
Packaging:
SKU: 1457302
Perfect fit
I like this company. They had exactly what I needed for a cheaper price than competitors and free shipping. The quality is good, I'll return in the future.
Read moreSKU: 2813634
My new supplier
Thanks for your help with finding the seals I needed. You were fast and reasonable with the shipping, The price was also good, your communications before and after the sale was very appreciated again thanks for your help I will be back!!! Steve G
Read more
| Brand | PT Coupling |
| Model | 90000090-4 |
SKU: 1457302
Perfect fit
I like this company. They had exactly what I needed for a cheaper price than competitors and free shipping. The quality is good, I'll return in the future.
Read moreSKU: 2813634
My new supplier
Thanks for your help with finding the seals I needed. You were fast and reasonable with the shipping, The price was also good, your communications before and after the sale was very appreciated again thanks for your help I will be back!!! Steve G
Read moreItem must be unused.
Item must be in it's original package.
Restocking, shipping and handling fees may apply to any return with this manufacturer.
For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/