1、雙層殼體結(jié)構(gòu)，中心線支撐，不必拆卸進(jìn)出口管路，可通過專用工具完成轉(zhuǎn)子部件的快速拆裝，而且聯(lián)軸器端為錐軸設(shè)計(jì)，方便設(shè)備檢修維護(hù)
With double-casing structure and center line support, it is not necessary to dismantle outlet pipeline to fast dismantle and install components of rotor with special tools. Besides, with cone axial design of coupler end, it is convenient in equipment overhaul and maintenance.
2、按API682標(biāo)準(zhǔn)密封腔設(shè)計(jì)，采用集裝式機(jī)械密封，便于安裝和維修，軸向壓縮量不受任何連接件軸向尺寸影響，無需調(diào)整。
Packaging-type mechanical seal is adopted according to seal design of API682 standard. It is convenient in installation and maintenance. The axial compression is free of influences of axial dimensions of any connecting pieces. It is not necessary to make adjustment.
3、碳鋼軸承箱體，帶風(fēng)扇冷卻，采用新型非金屬同步甩油環(huán)，潤滑更加充分，并減少潤滑油污染；配套專用軸承壓蓋，可滿足油霧和油浴潤滑的雙重需要。
With carbon steel bearing casing, fan cooling, and with new-type non-metal synchronic oil slinger, it is further sufficiently lubricated and pollution of lubricating oil is reduced. With special bearing gland cover, dual requirements of oil mist and bath lubrication can be satisfied.
4、優(yōu)化軸承結(jié)構(gòu)，選用球/球、滑動/球及滑動/止推軸承等形式，給轉(zhuǎn)子部件提供最佳支持，并最大程度降低軸承和支撐系統(tǒng)的成本。
By optimizing axial structure and selecting ball-ball and sliding-ball and sliding-thrust bearing forms, the optimal support can be provided for parts of rotor and the cost for bearing and support system can be maximally reduced.
5、外筒體為鍛造加工，管口按API標(biāo)準(zhǔn)三倍載荷設(shè)計(jì)，采用API標(biāo)準(zhǔn)底座，確保運(yùn)轉(zhuǎn)安全、穩(wěn)定、可靠。
Outer barrel is forged and processed. Pipe orifice is designed according to API standard twofold load. API standard chassis is adopted to ensure safe, stable and reliable operation.
6、葉輪為過盈配合，軸向固定，消除高速旋轉(zhuǎn)時因裝配間隙引起的撓動；
Impeller is excessive interference fi and axial restraint, perturbation caused by assembling clearance when high-speed revolution can be eliminated.
7、依照水力性能優(yōu)化設(shè)計(jì)的鍛造增強(qiáng)型剛性階梯軸（將來根據(jù)需要可使用空段），滿足功率傳遞要求，提高轉(zhuǎn)子可靠性，符合API610的典型設(shè)計(jì)方案。
With enhancement rigid stepped shaft (dead band can be used according to the requirement) optimized and designed according to hydraulic performance, power transmission requirement can be satisfied and rotor’s reliability can be enhanced and typical design scheme of API610 can be satisfied.
8、葉輪背對背布置，設(shè)有中間襯套和喉部襯套，最優(yōu)結(jié)構(gòu)平衡軸向力，降低軸承部件成本。
Impellers are back-to-back arranged with middle and throat bushing, optimal structural balancing axial force can be realized and cost for bearing parts can be reduced.
9、XBB5  - 標(biāo)準(zhǔn)型，為單吸葉輪，背靠背布置。
XXB5-standard, single-suction impeller, back-to-back arranged.
XBB5D -首級葉輪雙吸結(jié)構(gòu)，提高抗汽蝕能力，降低吸入比轉(zhuǎn)速。
XBB5D-first-stage impeller double-suction structure enhances anti-cavitation capacity
and reduces suction specific speed.