... 1,stainless steel material 2,stable material 3,heavy duty Intelligent Pillar Guardrail Turnstile Barrier Swing Gate SEWO-5311L pillar guardrail ... passing through fast. It is an ideal upgrade equipment for intelligent access control, and solve the obstacle problem in traditional ... with good synchronicity. 4 the running speed curve: half the sine wave, the slow faster, and then, by turning slowly. 5 ...