China, Pneumatica, Actuator, Imperium, Ball Valvae, fabricare, officinas, pretium, valvae SDV, una, duplex, actio, corpus in duas partes et tres partes, Flanged, RF, FF, RTJ, NPT, valvae gestamina in reducta et plena. pertundere. valvulae materiae habent A216 WCB, A351 CF3, CF8, CF3M, CF8M, A352 LCB, LCC, LC2, A995 4A. 5A, Inconel, Hastelloy, Monel et alia specialia mixturae. Pressura ab Classis 150LB ad 2500LB.