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The GRACO C20138 is a packing O-ring made from Viton material
Clean mating surfaces thoroughly before fitting the new seal
Used in fluid transfer and pumping systems where pulsation dampening is required
and lubrication systems where clean
ensuring clean and efficient operation
GRACO Polypropylene Air Valve Cover - (SKU: 187706) The GRACO C20138 is aThe GRACO 187706 is a polypropylene air valve cover designed to protect and enclose the air valve assembly in GRACO diaphragm pumps. Its primary function is to safeguard internal components from environmental contaminants and ensure proper operation of the air valve system. Key Features: Air valve cover Polypropylene Designed for use with GRACO diaphragm pumps, such as the Herkules 338 Air Operated Diaphragm Pump. Lightweight and durable polypropylene
