Specification for Internal Gear Pumps Viking （规范内部齿轮泵的海盗）.pdfVIP

Specification for Internal Gear Pumps 1.0 GENERAL DESCRIPTION 1.01 Scope Pump type shall be of heavy-duty internal gear type. One rotor of internally cut gear teeth will mesh with one externally cut gear. Fluid shall be carried between gear teeth and shall be displaced when the gear teeth mesh. The surfaces of the rotors and housing shall cooperate to provide continuous sealing. Internally cut rotor shall terminate at the end of the drive shaft. The drive shaft shall be supported by bearings at two (2) locations, where by both radial and axial support is provided. 1.02 Pump Manufacturer Acceptable manufacturers are Viking Pump or substitute approved by the Engineer prior to bid (See paragraph 1.03, Pre-submittal). A manufacturer’s being named in this specification notwithstanding; all equipment approved for this project shall meet or exceed all performance, service, and warranty requirements of this specification. 1.03 Pre-Submittal Technical documentation which shows total compliance with all performance, construction, service, and warranty requirements of this specification shall be submitted by the pump manufacturer or its authorized representative2 at least days prior to bid . Equipment must be conditionally approved by the Engineer in 1 writing at least days prior to bid for all named or substitute manufacturers in order to be offered for this project . days prior to bid, the Engineer shall 1 furnish a final listing of equipment appearing to meet this specification and conditionally approved for this project