16 kg valve 900 caliber with how big screws

View GB T9113-2010 "Integral Steel Pipe Flange".

The flange of PN16 DN900 is made of M36 nut.

Here are some of the well-known brands recognized in the valve industry, which are widely recognized and have a high reputation. While rankings may vary depending on time and market conditions, the following brands are generally considered to be among the top brands in the valve industry:

The following influential first-line brands of water system valves and industrial valves can be used as a reference, but for reference only: Suzhou Neway Valve, Shanghai Guanlong Valve, Shanghai Qizhong Valve, Sanhua, Su Yan, Shentong, Su Valve, Nanfang, Jiang.

First, the word Yao. The above manufacturers are only estimates and references, and the specific situation may vary or fluctuate at any time due to changes in a series of factors such as changes in the market, the size of the competition pattern, and the stability of product quality. As an indispensable key device in industrial production and civil facilities, the quality and reputation of the valve brand directly affect the satisfaction and trust of users.

These brands are known in the valve industry for their innovative technology, high-quality products and reliability. It is important to note that the market and industry are evolving rapidly, and different rankings may vary depending on time and region. For the most up-to-date ranking information, it is recommended to refer to industry reports, professional organizations or market research data for more detailed and accurate information.

With four screws, a nut of more than 14 is sufficient.

The valve with bolt comparison table is as follows:

Generally speaking, it is divided into ordinary nuts and lock nuts, ordinary nuts are generally GB6170 nuts, and lock nuts are generally DIN980-V. The level of the nut is matched with the joint bolt (the general grade joint is equipped with a 4-level nut; Grade joints with 8 grade nuts).

You see if it's this, valve bolt selection, if not, there are other things you can look at.

Z-D in the diagram is the size of the bolt.

You are talking about the bolts used in the pipe connection flange, there are national standards, machine standards, chemical standards, we use these three standards, depending on the user's work requirements;

In the case of the national standard, it is: GBT 9113-2010 integral steel pipe flange;