How to select Qinghai electric desulfurization butterfly valve motor? High temperature pneumatic ball valve: Q41M, Q641M, Q941M, Q41PPL, Q641PPL, Q941PPL
、 The electric switch butterfly valve features a central line structure or three new structures, which can achieve a tighter sealing performance as it closes; For sealing materials, choose stainless steel and oil resistant rubber to match, without worrying about the use time;