ORING R990000/V VITON valvole ode 21L1K1V25(30,40), 21L2K1V25(30,40,55), 21A2W0F55-PW, 212A2(3)KV15(20,25,30,45), 21A5(8)ZV45D(55D), 21A2(3)ZR15D(20D,25D,30D), 212N2KV25(30,40),