1. The bolts are too long Bolts on valves with only one or two threads over the nut will do. Reduce the risk of damage or corrosion. Why buy a bolt longer than you need? Often, the bolt is too long because someone doesnt have time to calculate the co...

China International Fluid Machinery Exhibition 2021 will set sail in Shanghai in May Organized by China General Machinery Industry Association, CFME2021 China International Fluid Machinery Exhibition will be held on May 26-28, 2021 in Shanghai Nation...

Shaanxi GERSVI Valve Co., LTD. According to its own development needs, update the official website address and information, retract the original website (www.sxgsv.com). The new website is bilingual in Chinese and English, with abundant information,...

Valve color specification 1. The valve products shall be identified and painted according to the body material. The color is as follows: body material gray cast iron Malleable iron nodular cast iron carbon steel Acid-resistant steel Stainless steel a...

This regulation is applicable to the setting of gate valve, globe valve, ball valve, butterfly valve and pressure reducing valve in petrochemical plant. Check valve, safety valve, regulating valve, trap set see the relevant provisions. These provisio...