First, Z41W American Standard Gate Valve Overview:

Flanged steel gate valve for ANSI Class150 ~ 900, PN2.0 ~ 16.0MPa, JIS10 ~ 20K, working temperature -29 ~ 425 ℃ (carbon steel) and -40 ~ 500 ℃ (stainless steel) Used to cut off or switch on the medium in the line. 
Through the selection of different materials, can be applied to water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea and other media. There are manual, bevel gear and electric and so on

Second, Z41W American standard valve structure features:

① product design and manufacture in line with advanced foreign standards, reliable sealing, excellent performance. 
 ② compact and reasonable structure design, handsome in appearance. 
 ③ using wedge-type flexible gate structure, large diameter set rolling bearings, opening and closing easily. 
 ④ valve body full range of materials, packing, gasket according to the actual conditions or user requirements reasonable matching, applicable to all kinds of pressure, temperature and medium conditions. 
 ⑤ adopt a variety of domestic and foreign standards for pipe flanges and flange sealing surface type to meet the needs of various projects and user requirements.

Third, the main components of the Z41W American Standard valve material:

Fourth, Z41W American Standard gate valve main dimensions and connection dimensions: