RT/Dygert Stock Materials

Since 1971 the Chicago division (formerly R.T. Enterprises) of RT/Dygert has been a master distributor/ importer of O-rings for the U.S. market. Our long term success is because of strong relationships with our distributor customers. We base this on our outstanding customer service, on-time deliveries (99.9% shipped accurate same day), large product inventories, and knowledgeable salespeople who understand your needs. We pride ourselves on our quality in manufacturing and strong process control at our warehouse to ensure customer satisfaction. We are an ISO 9001-2000 company and strictly enforce these standards and policies. Our suppliers are selected and closely monitored by our professional staff of Quality and Manufacturing specialists. Call us and meet our knowledgable sales people who understand our products and will help you meet your customer’s requirements.

These items are regularly in stock!

O-Rings

Nitrile (NBR)
Operating Temperature: -40 to +250
We stock: 70 durometer; 90 durometer; FDA 70 durometer; NSF 70 durometer
Fluorocarbon (FKM)
Operating Temperature: -15 to +400
We stock: Black 75 durometer, Black 90 durometer; Brown 75 durometer
Ethylene Propylene (EPDM)
Operating Temperature: -65 to +300
We stock: EPDM, EPDM/FDA and EPDM/FDA/NSF in 70 Durometer
Silicone (VMQ)
Operating Temperature: -65 to +450
We stock: 70 durometer
Neoprene (CR)
Operating Temperature: -40 to +275
We stock: 70 durometer
Hydrogenated Nitrile (HNBR)
Operating Temperature: -40 to +300
We stock: Green 70 durometer
Teflon® Encapsulated Silicone & Viton®
Operating Temperature: -75 to +500
We stock: O-Rings with Silicone core and Viton® core.
Metric
We stock: 70 durometer Nitrile, 75 durometer FKM
PTFE
Operating Temperature: -100 to +500
We stock: 55 Durometer, Shore D, PTFE


Also available upon request
Fluorocarbon - GF, GFLT, ETP; Ethylene Acrylic, Polyacrylate; Internally Lubricated; UL Nitrile; PTFE Coated; Colored O-Rings; Low Temp Nitrile; Carboxylated Nitrile; Special/Custom Sizes


Quattro Seals

Nitrile (NBR)
Operating Temperature: -40 to +250
We stock: 70 durometer
Fluorocarbon (FKM)
Operating Temperature: -15 to +400
We stock: 75 durometer

Backup Rings

Hytrel® (55 D)
Operating temperature: -65 to +275
We stock: Dynamic and Static
Nitrile (NBR)
Operating Temperature: -40 to +250
We stock: contoured 90 durometer
PTFE
Operating Temperature: -100 to +500
We stock: PTFE Split Back Up Rings