Large Flow Single Stage Split Centrifugal Pump

1. Product General Profile

OTS split double suction centrifugal pump belongs to high-flow horizontal split case pumping machinery, categorized within mainstream industrial pump product lines including Horizontal Centrifugal Pump, Industrial Water Pump, High-Efficiency Pump, Chemical Transfer Pump, HVAC Circulation Pump. This series horizontal split double suction pump adopts unique mid-split pump housing architecture paired with double symmetrical suction inlet design, delivering large stable flow rate for medium-temperature clean water medium transportation. The pump unit is matched with elastic coupling linkage driving structure connecting pump body and supporting driving motor, realizing flexible torque transmission to reduce mechanical vibration loss during long-duration continuous operation. Designed for medium-temperature fluid conveying working conditions, the maximum allowable medium temperature of conveyed aqueous liquid is limited to 80℃, compatible with pure water and low-corrosion aqueous liquids with physical & chemical properties equivalent to clean water. It serves as universal heavy-duty water transfer core equipment for multi-industry engineering projects, covering mine underground drainage, urban municipal water supply & drainage network, thermal power station cooling circulation, agricultural field irrigation & flood discharge, and comprehensive water conservancy facility fluid transportation scenarios, filling the market demand gap of large-flow split case double suction horizontal pumps that allow pipeline-free disassembly maintenance.

While chemical transfer pumps focus on corrosive medium delivery and HVAC circulation pumps target closed-loop air conditioning low-flow cycling, this OTS split double suction pump specializes in large-volume raw water & clean water industrial transmission with split quick maintenance design, forming an independent heavy-duty water pump subdivision separated from single-function industrial pumping equipment.

2. Split Double Suction Pump Exclusive Structural & Operational Advantages

• Horizontal mid-split integral pump shell quick maintenance structure: The pump body adopts horizontal split open design along the central axis, internal impeller, sealing assembly and bearing components can be inspected, replaced and overhauled directly after opening the upper half pump shell, no need to disconnect front & rear conveying pipelines or disassemble matched driving motor, greatly shortening equipment daily maintenance downtime
• Dual symmetrical double suction inlet balanced hydraulic design: Dual suction ports symmetrically arranged on both sides of the impeller eliminate axial hydraulic thrust generated by single-suction pumps, reduce bearing wear and vibration amplitude during long-term continuous operation, extend the service cycle of bearings and mechanical sealing parts
• Coaxial horizontal inlet & outlet layout: Suction port and discharge port are uniformly arranged below the pump central axis, presenting horizontal perpendicular layout relative to the main shaft, convenient for straight pipeline layout of industrial water supply pipelines without extra elbow conversion accessories
• Elastic coupling vibration isolation transmission system: Flexible elastic coupling connects pump rotor and motor output shaft, buffers mechanical shock generated during startup and variable flow operation, effectively isolate motor vibration transmission to pump body, lower overall equipment operating noise
• Dual rotation direction customizable production scheme: Standard unit runs clockwise when viewed from the elastic coupling side; customized counterclockwise rotation structure can be produced according to on-site pipeline layout and process flow requirements, flexible to match different engineering pipeline layout directions
• 80℃ medium temperature wide adaptability: Stable conveying performance for clean water and low-chemical active aqueous liquids below 80℃, fully adapted to normal-temperature industrial circulating water, municipal tap water, agricultural irrigation water and power station cooling water medium conditions
• Large flow continuous stable operation characteristic: Double suction inlet brings larger single-cycle fluid intake volume, suitable for 24-hour uninterrupted heavy-load water delivery in mine drainage, municipal water plant and large farm irrigation projects, with stable flow fluctuation control under long-term full-load working condition

3. Differentiated Competitive Strengths Versus Other Types Of Industrial Centrifugal Pumps

Unique Core Advantages Of OTS Split Double Suction Centrifugal Pump

• Pipeline-free disassembly maintenance exclusive split housing: Ordinary single-stage horizontal centrifugal pumps require full pipeline removal to open pump housing for maintenance; this split case design only needs to lift the upper pump shell, greatly reducing on-site maintenance labor cost and project shutdown loss, a core advantage unavailable to common Horizontal Centrifugal Pump single suction models
• Balanced double suction hydraulic structure for heavy-duty large flow: HVAC Circulation Pump and small single suction industrial pumps adopt single side inlet structure with obvious axial thrust, only suitable for small-flow closed circulation; this double suction balanced impeller design supports large-volume raw water transmission for mine, municipal and water conservancy heavy engineering projects
• Medium-temperature clean water dedicated transmission positioning: Chemical Transfer Pump is equipped with anti-corrosion lining for acid & alkali corrosive liquid transportation, while this pump is optimized for low-corrosion water-based medium below 80℃, lower manufacturing cost and higher hydraulic efficiency for conventional water conveying working conditions, realizing higher overall energy efficiency as a standard High-Efficiency Pump
• Customizable bidirectional rotation matching engineering layout: Most industrial water pumps fix single rotation direction, difficult to adapt reverse pipeline layout; this series supports clockwise / counterclockwise rotation customized production, flexible to meet complex on-site pipeline design demands of various industrial and municipal projects
• Heavy-duty 24h continuous operation structural reinforcement: Reinforced cast pump shell and thickened bearing base design, suitable for long-term uninterrupted drainage and water supply tasks of mines, power plants and large irrigation projects, far superior to small light-duty circulation pumps in heavy load resistance performance

Market Position Layout

• Large-flow split case double suction horizontal industrial water pump, complementary product of single suction horizontal centrifugal pump product line, targeting municipal water supply, mine drainage, power station cooling and large-scale farm irrigation engineering customers
• Low maintenance cost high-efficiency water transfer pump integrating split quick overhaul, balanced double suction hydraulic performance and bidirectional rotation customization, replacing multi-set small single suction pump parallel configuration for large water volume engineering projects
• Universal medium-temperature clean water conveying pumping equipment, compatible with all kinds of industrial, municipal and agricultural water conservancy projects, independent from anti-corrosion chemical delivery pumps and small HVAC closed circulation pumps product track

4. Standard On-Site Installation & Routine Overhaul Operating Specifications

1. Fix the pump base on concrete foundation with anchor bolts, level the pump body and motor shaft horizontal plane with level gauge, install elastic coupling between pump rotor and motor output shaft, reserve proper coupling gap to avoid rigid friction during startup
2. Connect horizontal suction and discharge pipelines below the pump central axis, install gate valves and filter screens on the suction pipeline to intercept large solid impurities, install pressure gauges on outlet pipeline to real-time monitor conveying flow pressure
3. Before startup, fill the pump inner cavity with conveyed clean water to exhaust internal air, confirm the conveyed liquid temperature is controlled below 80℃, turn on the motor and check rotation direction from the coupling side to match pre-set clockwise or counterclockwise rotation standard
4. Daily routine maintenance: Observe pump body vibration and bearing temperature during operation; when internal impeller or sealing parts need replacement, close pipeline valves, drain residual liquid inside pump shell, directly lift the upper split pump shell without disassembling pipelines and motor for component replacement
5. Long-term shutdown storage maintenance: Drain all residual liquid inside pump cavity to prevent internal cavity rust and scale accumulation, add anti-rust grease to bearing and elastic coupling parts, seal inlet and outlet pipeline ports with protective covers to block dust entry