SR Single-Acting Pneumatic Actuators
Hairong lists an SR single-acting pneumatic actuator entry under the OMAL name; confirm the actual offered actuator and valve interface.
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Hairong lists a Pedrollo F-series centrifugal pump entry; request the actual pump-duty selection and supplied model documents.
Provide the water conditions, required delivery duty, suction arrangement, connections and available drive supply. Ask for the selected pump construction and operating documents for the intended installation rather than inferring a particular pump design. Request the current catalogue or drawing for this item, and confirm the offered configuration and supporting documents with the company before specifying an order.