The valves required by the application should be on-off,  linear, quarter-turn, non-return valve or large modulating valves are selected, assembled and tested with actuators. We add complete kits of counter-flanges and gaskets upon requirements.
Typical sizes DN10-DN1400, PN10-PN400 according to DIN or ANSI.
Typical standards and expectations: API 6D, API 6A, API 607, TR-CU, TA-LUFT, CE PED.