VA 22 11 23-2010 DOMESTIC WATER PUMPS.pdf
《VA 22 11 23-2010 DOMESTIC WATER PUMPS.pdf》由会员分享,可在线阅读,更多相关《VA 22 11 23-2010 DOMESTIC WATER PUMPS.pdf(8页珍藏版)》请在麦多课文档分享上搜索。
1、11-10 22 11 23 - 1 SECTION 22 11 23 DOMESTIC WATER PUMPS SPEC WRITER NOTE: Delete between /-/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. PART 1 - GENERAL 1.1 DESCRIPTION A. Hot water circulating pump, hot water rec
2、irculation pump and domestic water pressure booster system. 1.2 RELATED WORK A. Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING. B. Section 22 05 12, GENERAL MOTOR REQUIREMENTS FOR PLUMBING EQUIPMENT. C. SECTION 22 08 00 COMMISSIONING OF PLUMBING SYSTEMS. Requirements for commissioning, systems r
3、eadiness checklist, and training. D. Section 26 29 11, LOW-VOLTAGE MOTOR STARTERS. 1.3 QUALITY ASSURANCE A. Domestic Water Pressure Booster System: 1. Components shall be furnished by a single manufacturer and the system shall be the standard cataloged product of the manufacturer. 2. Shop Test: Wate
4、r booster unit and its component parts shall undergo a thorough electric and hydraulic operating test prior to shipment. Tests shall include a system operating flow test from zero to 100 percent of design flow rate under specified suction and system pressure conditions. Certified performance curves
5、shall be furnished. 1.4 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Manufacturers Literature and Data: 1. Pump: a. Manufacturer and model. b. Operating speed. c. Capacity. d. Characteristic performance curves. 2. Motor: a. Manufacturer, /fra
6、me and type/. b. Speed. c. Current Characteristics. d. Efficiency. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-10 22 11 23 - 2 C. Certificate of shop test for domestic water booster system. Provide certified performance curves. D. Certified co
7、pies of all the factory and construction site test data sheets and reports. E. Complete operating and maintenance manuals including wiring diagrams, technical data sheets and information for ordering replaceable parts: 1. Include complete list indicating all components of the systems. 2. Include com
8、plete diagrams of the internal wiring for each item of equipment. 3. Diagrams shall have their terminals identified to facilitate installation, operation and maintenance. F. Completed System Readiness Checklist provided by the Commissioning Agent and completed by the contractor, signed by a qualifie
9、d technician and dated on the date of completion, in accordance with the requirements of Section 22 08 00 COMMISSIONING OF PLUMBING SYSTEMS. 1.5 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the
10、 text by the basic designation only. B. National Electrical Manufacturers Association (NEMA): ICS6-93 (R2006 ) . Industrial Control and Systems Enclosures 250-08 . Enclosures for Electrical Equipment (1000 Volts Maximum) C. American Society of Mechanical Engineers (ASME): Boiler and Pressure Vessel
11、Code: 2010 Section VIII . Pressure Vessels, Division I and II D. Underwriters Laboratories, Inc. (UL): 508-99 (R2008) . Standards for Industrial Control Equipment PART 2 - PRODUCTS SPEC WRITER NOTE: Make material requirements agree with applicable requirements specified in the referenced Applicable
12、Publications. Update and specify only that which applies to the project. Coordinate and assure that the electrical characteristics specified below are clearly shown on the proper drawings. 2.1 CIRCULATING PUMP A. Centrifugal, single or multi stage, constructed to prevent contact of water with metal
13、other than nonferrous. Driver shall be electric motor, close coupled or connected by flexible or magnetic coupling. Pump for hot water system shall be designed for 65 degrees C (150 degrees F) water service. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH
14、S-,-,-11-10 22 11 23 - 3 B. Mounting shall be either of the following: 1. In-line mounted. 2. Floor mounted set on common bed plate with drip lip. C. Casings: Epoxy coated cast iron, bronze, stainless steel, vertically or horizontally split. D. Impeller: High grade, cast brass or bronze, accurately
15、machined and properly balanced. E. Motors: Maximum 40 degrees C (104 degrees F) ambient temperature rise, drip proof, for operation with current, voltage, phase and cycle shown in schedule on Electrical drawings, conforming to NEMA 250-Type 4. Size the motor capacity to operate the pump without over
16、loading. In-line pump motors shall not exceed 1800 rpm and shall be provided with spring mountings or equal devices to assure quiet operation. Motors shall be equipped with thermal overload protection. When motor has cooled down it shall re-start automatically if the operating control has been left
17、on and the system requires pump to start. F. Pump shall operate continuously with “on-off“ switch for shut down. In the inlet and outlet piping of the pump, shutoff valves shall be installed to permit service to the pump without draining the system. G. A check valve shall be installed in the pump di
18、scharge piping immediately downstream of the pump 2.2 INLINE HOT WATER RECIRCULATING PUMP A. Centrifugal in-line horizontal oil lubricated pump designed for quiet operation and 862 kPa (125 psi). B. Bronze body construction capable of pumping _ LPM ( _GPM) _ Meters of head ( _ Feet of head) when dri
19、ve by _ HP single phase, _ VAC motor. Pump shall be non-overloading at any point on the pump curve. C. Pump controlled from on/off aquastat located at pump. In addition, the pump shall be provided with “on-off“ switch for shut down. In the inlet and outlet piping of the pump shutoff valves shall be
20、installed to permit service to the pump without draining the system. A check valve shall be installed in the pump discharge piping immediately downstream of the pump. 2.3 DOMESTIC WATER PRESSURE BOOSTER SYSTEM SPEC WRITER NOTE: Coordinate and assure that the electrical characteristics specified belo
21、w are clearly shown on the Contract Drawings. A. General: Provide a factory prefabricated, prewired and pretested multi-stage pumping system including variable speed drive motors, pressure regulating valves with integral check valves, pressure transducers, Provided by IHSNot for ResaleNo reproductio
22、n or networking permitted without license from IHS-,-,-11-10 22 11 23 - 4 vibration pads, emergency switches, duplex flow switches, power and control panels, suction and discharge manifolds, gate valves, bypass loops with appropriate valves and check valves, low pressure cut off switches, hydro pneu
23、matic tanks and accessories. All components shall be furnished by a single manufacturer and the system shall be the standard cataloged product of the manufacturer. All components shall be factory installed on a common structural steel skid and shall be completely tested in the factory before shipmen
24、t. Manufacturer shall assume “unit responsibility” to ensure that all components effectively interface to execute the operation of the designed system. Provide auxiliary contacts for remote alarming to the Energy Control Center and BAC net compatible open-protocol type interface to DDC controls syst
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- VA2211232010DOMESTICWATERPUMPSPDF
