Rubber Diaphragms
Rothkopf is one of the country’s most respected providers of rubber products. Since our founding back in 1956, our team has continually led the way, offering rubber components for all different applications. We source our parts from the best manufacturers in the industry, and because of our long-standing relationship with them, we can negotiate to get better prices than you could imagine. Whether you are looking to place a small order or a huge one that covers every piece of equipment in your entire corporation, you can count on us to work for you and secure you the perfect items at the best possible rates. Learn more about our rubber diaphragm solutions below.
Your source for Rubber Diaphragms

Our clients who buy these products use them in so many major industries of the world, including industrial, automotive, medical, oil/gas, and aerospace. No matter how you plan on using them, we can help you find a diaphragm solution that will stand up to the stresses of your application and give you long, durable performance for years to come. If you need a custom-built piece, feel free to contact us and learn about our options. Nothing is impossible for Rothkopf!
Superior quality parts, every time.
Parts are manufactured using a selection of compounds:

Buna N/Nitrite (NBR)

Ethylene Propylene (EPDM)

Fluorocarbon (FKM)

Fluorosilicone (FVMQ)

PTFE Encapsulated

Hydrogenated Nitrile (HNBR)

Neoprene (CR)

Silicone (VMQ)

Teflon (PTFE)

Urethane

GLT/GFLT

Custom Formulated
Our parts comply with industry and agency standards as indicated:

Mil-Aero/GPL

NSF

FDA

UL Listed

OEM specified approvals
Product finishing options include:

Teflon Coating (PTFE Resin)

Internal/External Lubrication
