Distribution Loop and Sub-loop Manual Flow Balance Control (USPPW)
Mark 978JD Series ⟶
Medium to high flow, Jorlon diaphragm
Mark 978OR Series ⟶
Medium to high flow, O-ring stem seal
Mark 978M Series ⟶
Manual control, low to high flow, Jorlon diaphragm
JSHM Series ⟶
Manual control, low to medium flow, Jorlon diaphragm
Mark 978INLINE Series ⟶
Medium to High Flow, Jorlon Diaphragm