Global O-Ring K-Face Seal O-Ring Kit - Nitrile (Buna-N) 90 Durometer - 200 Pieces (8 Sizes) Brass Spring Check Valves RKI Instruments GX-3R Pro

RKI Instruments GX-3R Pro

Filter change out differential: 15-20" H2O over initial delta P

Viscosity Index:169

Standard light-weight composite housing

Global O-Ring K-Face Seal O-Ring Kit - Nitrile (Buna-N) 90 Durometer - 200 Pieces (8 Sizes) Brass Spring Check Valves RKI Instruments GX-3R ProK Face Seal O Ring Kit Nitrile (Buna N) 90 Durometer 200 Pieces (8 Sizes) Nitrile (also known as Buna, Buna N, or NBR) is one of the most common sealing elastomers due to its resistance to petroleum based fuels and lubricants and its relatively low price. Nitrile elastomers are copolymers of acrylonitrile and butadiene. Performs Well In: Petroleum based oils and fuels; Aliphatic hydrocarbons; Vegetable oils; Silicone oils and greases; Ethylene glycol;