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mechanical coupler
best design for the 4" API oil valve and connector,it can install quickly . Now it is designed anewly to make it to connect more easily.
Material:
Body:AL alloy
Seal:FPM
Handle :brass
Feature:
the gravity coupler's body get the hard heat treatment, can connect firmly with the middle of API oil valve The end of Hose connector can discharge more easily.
Drawing:
tanker oil unloading coupler
