For ease of installation, insert all flange bolts through the valveflange and then through the sleeve flange, but do not let the bolts extend beyond the surface of the flange rubber (See Figure 4).
Our company is mainly manufacturing to seal and seal of stainless steel pump, valve, flange etc supporting seals the specialized enterprise.
本公司是一家主要生产进行密封及不锈钢泵、阀、法兰等配套密封件的专业企业。
3
Caution: the sealing surface for the diaphragm on the top flangeof the valve body receives special factory preparation to enhance sealing with PTFE diaphragms.