S Valve

We are offering s valve c valve petticoat valve. Name : pm s valve specification : material :a80+38crmn+d938 manufacture process : alloy surfacing surface thickness (mm） :4 hardness of wear-resisting layer(hrc) : 64 weight(kg): lifetime(conventional working environment;the average data from the survey of 50 customers in 15 countries): 1800working hours