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
DN 6 (1/4") to 65 (2 1/2") withthreaded connections, indoor male / female with full bore, pressure ratings up to PN 64 Gas DVGW approval MOP5 silicone-free, oil - and grease-freeavailable
