PT. Surrama Tridaya Mandiri adalah perusahaan yang bergerak dalam bidang usaha importir , distributor alat-alat instrument : flowmeter, gas detector, control valve, safety valve, pressure reducing valve, dll
threaded connection (IG/IG) with electric drive (VDC-12/24/110V, VAC-24/110/230 v) or pneumatic actuator (single - or double-acting) DN 6 (1/4") to DN 100 (4")
