This standard applies to the nominal pressure of PN1.0MPa-PN4.0MPa, nominal diameter DN50mm-DN1200mm multi-function pump control valve. The standard technical requirements are introduced as follows: When applied to drinking water, multifunctional pump control valve cavity coating material safety should be consistent with the provisions of GB / T17219. Painting the outer surface is not specified, special requirements specified in the order contract.
Hex Flange Bolt,Flange Head Bolt,Hex Head Flange Bolt,Stainless Steel Hex Head Bolts
Kunshan Donghui Hengye Precision Hardware Co., Ltd. , https://www.fastenerpart.com