Threaded vertical non-return valve for water  

Threaded vertical non-return valve for water The stainless steel internal thread one-way check valve has high precision, beautiful appearance, small shape, with spring device, vertical and horizontal installation, etc. It is mainly suitable for use in the pipeline system to prevent the medium from flowing back. Features of NPT threaded vertical check valve and BSPT threaded vertical check valve: 1. The valve flap has short stroke and high sensitivity, which greatly reduces the time required for the valve flap to close and effectively reduces the water hammer pressure of the vertical check valve. 2. The sealing surface is made of alloy steel or hard alloy, and the sealing pair materials are matched reasonably, and the service life is long. Main technical parameters of  female threaded vertical check valve: The working pressure of H12 type is 6-16Mpa. The working medium is water, oil and liquid with ≤420℃ and ≤170℃. Material: stainless steel 304, stainless steel 316…