

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The VALUE COLLECTION ZMSCTST125 is a Dash 125 O-ring manufactured from polytetrafluoroethylene (PTFE), featuring a rectangular cross section. It measures 1.332 inches inside diameter, 1.504 inches outside diameter, and 0.047 inches thick. With a durometer hardness of 55 (medium), this O-ring is engineered for static and dynamic sealing applications where chemical resistance and wide temperature tolerance are essential. PTFE material provides exceptional resistance to aggressive fluids, solvents, and process media, making it a reliable choice for demanding sealing environments. Sold in packages of 25.
This O-ring is suited for use in plumbing, hydraulic, pneumatic, HVAC, and industrial process systems where standard Buna-N or silicone compounds are insufficient due to chemical or temperature exposure. The Dash 125 designation makes it a standard-size component compatible with fittings, valve bodies, and port connections designed to that dimension. Typical installers include licensed plumbers, HVAC technicians, and industrial maintenance professionals working on fluid handling and sealing assemblies.
Designed as an OEM-style replacement or service O-ring for any application requiring a Dash 125 rectangular PTFE O-ring with 1.332 inches inside diameter and 1.504 inches outside diameter.
Installation should be performed by a qualified technician familiar with the sealing assembly being serviced. Depressurize and de-energize the system fully before removing any existing O-ring or disassembling fittings. Inspect the mating groove for burrs or corrosion before seating the new O-ring. PTFE O-rings generally do not require lubrication, but consult system documentation before applying any lubricant to the seating surface.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!