Style 1850 Bronze Filled PTFE Piston Seals

Description & Features

Materials	Bronze filled PTFE Seal. Rubber Energizer.
Note	Piston diameter ''F'' dimensions are given for pistons without wear. Interchangeable with the PS1800 style piston seal.
Pressure Range	0 to 5000 PSI
Temperature Range	-40°F to +220°F

Model Number	Bore	Seal Height B	Seal Cross Section C	Groove Width D	Groove Dia. E	Piston Dia. F	Bore Tolerance (in)	Piston Dia. Tolerance (in)	Cross Section Tolerance (in)	Groove Width Tolerance (in)	Seal Height Tolerance (in)	Price	Action
PS1850-48 Bronze Filled PTFE Piston Seal	3	0.269	0.087		2.44	2.999	+0.002/-0	+0/-0.006	+0.006 / -0	±0.002	+0.005 / -0
PS1850-96 Bronze Filled PTFE Piston Seal	6	0.362	0.142		5.238	5.999	+0.002/-0	+0/-0.007	±0.005	±0.002	+0.005 / -0

Question by: Clint H on Jun 11, 2025, 2:29 PM

How much heat can these seals take before they start to break down?

Answer by: Customer Support on Jun 13, 2025, 6:00 AM

These bronze filled PTFE piston seals are rated to handle temperatures from -40°F all the way up to +220°F.