Fluid Equipment
AMPdossen has extensive experience in the design and manufacture of pumps, valves, and other fluid equipment. Supported by an MOM production management system, CNC machining centers, and fluid testing equipment, our solutions cover critical applications including seawater desalination, municipal water supply, industrial piping, and flow control.
Need to select equipment for specific operating conditions? Our engineering team can recommend products based on flow rate, head, fluid, and material requirements.
Hotline +86 510 8722 8181Seawater Desalination Pumps
Designed for intake, boosting, and high-pressure transfer duties in seawater reverse osmosis (SWRO) systems. Seawater-resistant material configurations and stable, long-term operation under demanding conditions are essential to plant availability.
- Duplex/super duplex stainless steel
for seawater corrosion resistance - High-pressure ratings and
energy-efficient hydraulic design - Pumps for intake, booster
and high-pressure duties - Seals and bearings designed
for continuous operation
AHP-RO High-Pressure Pump
A multistage centrifugal high-pressure pump designed for seawater reverse osmosis (SWRO) systems requiring reliable, continuous high-pressure operation.
- Multistage high-pressure design withstands the high discharge pressure required by SWRO systems
- Available with seawater-resistant materials and mechanical seal systems
- High-pressure feed pump for RO membrane trains
AM-RO Multistage Centrifugal Pump
A compact, service-friendly modular multistage centrifugal pump for SWRO intake or booster service, or as a medium-pressure recirculation/transfer pump.
- Modular multistage construction allows the number of stages to be matched to the required head
- Optional stainless-steel construction for treated water or seawater
- Suitable for pressure boosting and recirculation in water-treatment systems
AK-RO Horizontal End-Suction Centrifugal Pump
A horizontal, single-stage end-suction volute pump with a back pull-out design, suitable for seawater desalination intake, seawater reverse osmosis (SWRO), and industrial recirculation and transfer.
- Pump and motor mounted on a common baseplate and connected by a flexible coupling for stable operation
- Available in duplex stainless steel, super duplex stainless steel, AISI 316L, or AISI 304L
- Back pull-out design permits maintenance without removing the pump casing from the piping
Submersible Borehole Pumps
AP Series submersible borehole pumps are available in 4 / 6 / 8 / 10-inch sizes for reliable, continuous-duty applications including groundwater extraction, municipal water supply, agricultural irrigation, and industrial water service.
- Complete 4–10-inch range
covers a wide range of flow requirements - All-stainless-steel hydraulic components
resist wear and corrosion - Multistage construction provides
high-head water delivery - Submerged installation
with a small footprint and low noise
AP4 · 4″
For low-flow-rate groundwater extraction in domestic and small municipal supply wells, with compact construction for easy installation.
AP6 · 6″
For medium-flow-rate extraction, widely used in agricultural irrigation, factory water supply, and small-town water-supply systems.
AP8 · 8″
For high-flow-rate groundwater wells serving municipal supply, industrial water systems, and large-area irrigation.
AP10 · 10″
A high-flow-rate water-supply solution for regional water-supply trunk mains, mining areas, and large industrial water systems.
Butterfly Valves
With compact construction, easy operation, and favorable flow characteristics, butterfly valves are widely used in large-diameter piping for water supply, HVAC, seawater circulation, and water treatment. AMPdossen offers a complete butterfly-valve range from elastomer-lined to high-performance metal-seated designs.
- Large-diameter flow regulation
with low pressure loss - Elastomer-lined / offset metal-seated
design options - Water treatment · seawater · industrial circulation
for multiple fluid types - Electric / pneumatic / manual
actuator options
AMA
A centred-disc butterfly valve with a wafer-type or lug-type body and elastomer liner for general water supply, circulating-water, and building HVAC piping.
AMB-B
A flanged body design for large-diameter water-supply mains and municipal and industrial piping systems.
AMB-CBV
A compact centred-disc butterfly valve with responsive operation and low operating torque, suitable for process piping with frequent cycling.
AMB-SF
A high-performance metal-seated butterfly valve for elevated pressures and temperatures in demanding services such as power generation, petrochemicals, and seawater circulation.
Gate Valves
Gate valves are primarily operated fully open or fully closed. Their straight-through flow path and low resistance make them common isolation devices in water-supply, fire-protection, and process piping. AMPdossen offers multiple configurations, including soft-seated and wedge-type metal-seated designs.
- Low flow resistance through the fully open bore
- Rising/non-rising stem options
- SBR / EPDM elastomer-coated wedge
- For municipal, fire-protection, and industrial water-supply piping
AMC-SGP
A resilient-seated gate valve with a ductile-iron body and EPDM elastomer-coated wedge for municipal water supply and fire-protection systems.
AME-GT
A wedge-type metal-seated gate valve with dependable sealing for general industrial piping and water-treatment processes.
AME-SP
A parallel double-disc design with smooth operation for neutral fluids and applications involving relatively high differential pressure.
Check Valves
Check valves prevent reverse flow in piping and protect pumps, compressors, and system equipment. AMPdossen offers swing, wafer-type, and slow-closing hydraulic butterfly check valves for a broad range of water-supply, fire-protection, industrial, and water-treatment duties.
- Prevents reverse flow
- Protects pumps and system equipment
- Wafer-type body / flanged ends
- Slow-closing/spring-assisted options reduce water hammer
AMB-R
A swing check valve with stable construction and dependable sealing for backflow prevention in general water-supply and industrial piping.
AMB-RFV
A compact check valve with a wafer-type body requiring minimal installation space, suitable for small- to medium-diameter pump discharges and system branch lines.
AMB-RPL
A slow-closing hydraulic butterfly check valve that effectively reduces water hammer in large-diameter water-supply and drainage mains.
AMN-RXL
A precision small-diameter check valve for process and instrument piping, air-conditioning systems, and similar applications.
Soft-Seated Globe Valves
Soft-seated globe valves isolate or regulate flow in piping, providing a high sealing class and responsive operation. AMPdossen offers multiple model configurations for water supply, circulating water, air-conditioning systems, and general industrial fluids.
- High sealing class
for tight shutoff - Broad selection of EPDM / NBR
soft-seat materials - Dual shutoff and
throttling functions - Actuator options
for remote control
AMB
A general-purpose soft-seated globe valve with dependable sealing for on/off control of water supply, circulating water, and general industrial fluids.
AMB-EKB
A compact soft-seated globe valve for air-conditioning systems and building-services/HVAC piping.
AMB-S
A proven standard soft-seated globe valve suitable for a broad range of industrial and municipal piping systems.
AMB-W
A wear- and scale-resistant soft-seated globe valve for water-treatment or circulating-water piping carrying particulates.
Bellows-Type Globe Valves
Bellows-type globe valves use metal bellows as the primary stem seal to isolate the stem from the process fluid. Backup gland packing provides secondary sealing and minimises leakage to atmosphere. They are critical control components in piping for steam, hot water, heat-transfer oil, and high-purity fluids.
- Primary metal-bellows seal +
backup gland packing - Minimised leakage to atmosphere for steam,
heat-transfer oil, and other fluids - Withstands elevated temperature
and pressure ratings - For power, chemical, and industrial
steam systems
AMN-ZXLBV
A high-sealing-class, small-diameter bellows-type globe valve for precision steam and process utility piping.
AMB-ZXAB
A proven general-purpose bellows-type globe valve for industrial steam, hot-water, and heat-transfer-oil systems.
AMB-HE
A high-temperature/high-pressure bellows-type globe valve for critical steam branch lines in power plants and petrochemical facilities.
AMB-H
A general-purpose bellows-type globe valve with dependable pressure capability for shutoff and flow regulation in industrial piping.
Need Documentation for a Specific Model?
Tell us your flow rate, head, fluid, and connection requirements, and our engineering team will provide selection recommendations and technical documentation.
Hotline +86 510 8722 8181