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Aavolyn # 3530G1, Cast Iron TY275-4 Packing Case Assembly
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Aavolyn Cast Iron Packing assemblies which feature cast iron cups are made from pearlitic gray containing TYPE A graphite. Gray iron bars made to this specification have optimal strength, wear and hardness.
Cup material is well suited for applications requiring high resistance to wear and response to heat treatment. Flanges are steel.
AAVOLYN TY275 step cup packing case assembly incorporates vent and lube connections to the case. The lube connection allows lubricating oil to be introduced in the packing case to cool the rod packing and remove heat from the sealing area. The vent connection, drilled and tapped, removes any gas which passes the sealing rings.
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