Two-way flow control valves, types 2FRM..., 2FRH..., and 2FRW..., vary in actuation: mechanical, hydraulic, and electro-hydraulic, respectively. They offer mounting on a plate with drilling according to DIN 24 340, ISO 6263, optional pressure balance, starting jump reduction, and bilateral adjustment for types 2FRH... and 2FRW... They allow bilateral flow regulation with check valves.