This part of GB 27898 specifies the terms and definitions, classification, requirements, test methods, inspection rules, nameplate and operation instructions, packaging, transportation and storage of constant pressure automatic water supply equipment used for fire-protection.
This part is applicable to constant pressure automatic water supply equipment used for fire-protection.As for constant pressure water supply equipment with similar working principle, this part may be adopted by reference.
定价: 588元 / 折扣价: 500 元 加购物车
This part of GB 27898 specifies the terms and definitions, classification, requirements, test methods, inspection rules, nameplates and operation instructions, packaging, transportation and storage of pressure boosting and stabilizing type water supply equipment used for fire-protection.
This part is applicable to pressure boosting and stabilizing type water supply equipment used for fire-protection. As for pressure boosting and stabilizing type water supply equipment with similar working principle, this part may be adopted by reference.
定价: 648元 / 折扣价: 551 元 加购物车
This standard specifies classification, symbols, ordering information, dimensions, shapes, masses, tolerances, technical requirements, rust-proof treatment, test methods, inspection rules, packing, marking and quality certification of the seamless steel tubes for high pressure feedwater heater.
This standard is applicable to the seamless straight, U-bent and serpentine steel tubes ( hereinafter referred to as steel tube ) for high pressure feedwater heater.
定价: 360元 / 折扣价: 306 元 加购物车