In pipeline connections, double-flange limit expansion joints (VSSJA-2/B2F type) and double-flange power transmission joints (VSSJAF/C2F type) are two common products with different functions. Alth...
1.The stem of the OS&Y gate valve is exposed, while the stem of the NRS gate valve is in the valve body.
2.The OS&Y gate valve is driven by the thread transmission between the valve ...
Sand casting: Sand casting commonly used in the valve industry can also be divided into various types of sand such as wet sand, dry sand, water glass sand and furan resin no-bake sand according to ...
In the design and procurement of pipes, pipe fittings and valves, Φ, DN and inches (“) are three easily confused specification units. Their core difference is that: Φ represents the absolutel...
Welcome to a whimsical journey into the world of butterfly valves, where functionality meets innovation, all brought to you by renowned valve manufacturer Tianjin Tanggu Water Seal Valve Co., Ltd. ...
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
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