SINCE 1999

Dalian Roland Pump Co., Ltd. is an enterprise specializing in the R&D, design and manufacture of special chemical pumps. The company's leading product is a high-power magnetic centrifugal pump.
Based on the breakthrough of core technology, Roland magnetic pump completely solves many technical bottlenecks of conventional unsealed pumps, and truly has the quality characteristics of taking into account safety, reliability and high efficiency. It is the optimal equipment for petroleum and chemical enterprises to pump dangerous chemical liquids. The actual application is highly praised by users...
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  • 1999

    /Year

    Founded

  • 2000

    /㎡

    Company footprint

  • 30

    Variety

    Model equipment

| Product List --Over 20 years of focus on research and development, design and manufacture of special pumps

  • CMCS (BB5) series
    CMCS (BB5) series
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    CMCS series is magnetic drive single-suction multi-stage horizontal double-shell centrifugal pump (standard type code BB5). The outer shell is forged and welded structural parts, supported by the centerline, the design pressure level is 10~40MPa, and the inner shell is segmented. In high temperature working conditions, a butterfly spring is installed between the inner and outer shells axially to compensate for the stress and deformation caused by the difference in thermal expansion. Both ends of the impeller rotor are supported by adaptive SiC sliding bearings. The axial force is dynamically balanced by the balance plate. The driving end is rolling bearing, oil lubricated. The drive bearing box is installed with a dry gas mechanical seal to form a secondary seal. According to the working temperature, the bearing box body and the pump body bracket have natural cooling and water cooling structure design. The pump steering is seen clockwise from the drive end.

    DN: 40~200mm
    Q: Up to 800m³/h
    H: up to 1200m
    Allowable working temperature: -200~230℃
    Design working pressure (import/export): 10~30MPa
    Applicable: high temperature or ultra low temperature
    liquid without solid particles

    Monitoring instrument
    Standard configuration: ●Interlayer pressure monitoring of double-layer isolation sleeve-electric contact pressure gauge or pressure transmitter
    Matching: ●Secondary seal liquid level alarm interlocking-tuning fork switch
    ● Rolling bearing temperature monitoring-thermocouple
  • CMC (BB4) series
    CMC (BB4) series
    0.00
    CMC series is magnetic drive single shell segment type single suction multistage horizontal centrifugal pump (standard type code BB4). The bottom of the pump body is supported, and the inlet and outlet directions are pushed in and out. The inner rotor of the pump is supported by adaptive SiC sliding bearings. The axial force is dynamically balanced by the balance plate. The driving end is rolling bearing, oil lubricated. The bearing box can be equipped with a dry gas mechanical seal to form a secondary seal. The pump steering is seen clockwise from the drive end.

    DN: 40~200mm
    Q: Up to 800m³/h
    H: up to 1200m
    Design working temperature: ≤-40~120℃
    Design working pressure: ≤5.0MPa
    Application: general dangerous cleaning liquid

    Monitoring instrument
    Standard configuration: ●Interlayer pressure monitoring of double-layer isolation sleeve-electric contact pressure gauge or pressure transmitter
    Matching: ●Secondary seal liquid level alarm interlocking-tuning fork switch
    ●Bearing temperature monitoring—thermocouple
  • CMTT series vertical barrel pump
    CMTT series vertical barrel pump
    0.00
    The CMTT series is a magnetically driven double-casing vertical multistage centrifugal pump with segmented inner casing. Two-point or multi-point radial sliding bearing support of the rigid shaft. The axial force is dynamically balanced by the balance plate. The drive motor is directly connected to the external magnetic rotor, and a dry gas mechanical seal is installed therebetween to form a secondary seal. The pump steering is seen as counterclockwise from the drive end.

    DN: 25~200mm
    Q: Up to 800m³/h
    H: up to 1200m
    Design working temperature: ≤-200~150℃
    Design working pressure: ≤10MPa
    Application: easy vaporization, easy polymerization and insufficient effective cavitation margin

    Monitoring instrument
    Standard configuration: ●Interlayer pressure monitoring of double-layer isolation sleeve—pressure gauge or pressure transmitter
    Matching: ●Nitrogen pressure monitoring of secondary sealed box—pressure switch or pressure gauge
    ●Import liquid level monitoring-tuning fork switch
    ●Temperature monitoring of sliding bearing—thermocouple
  • CSP series mixed flow pump
    CSP series mixed flow pump
    0.00
    CSP series is a magnetic drive horizontal mixed flow pump. The pump body has foot support or centerline support according to the operating temperature. The impeller rotor is supported by spherical seat adaptive SiC bearings. The axial force is balanced by the balancing chamber with enlarged diameter and the impeller balancing hole, and the residual axial force is supported bidirectionally by the thrust disc. The driving end is rolling bearing, oil lubricated. For high-risk media, set a secondary seal. According to the working temperature, the pump body bracket and bearing box can be designed as a natural cooling or water cooling structure. Diaphragm lengthened coupling is used for motor and pump. The pump steering is seen clockwise from the drive end.

    DN: 200~650mm
    Q: Up to 7000m³/h
    H: up to 30m
    Allowable working temperature: ≤230℃
    Design working pressure: ≤2.0MPa
    Application: cleaning liquid

    Monitoring instrument
    Standard configuration: ●Interlayer pressure monitoring of double-layer isolation sleeve-electric contact pressure gauge or pressure transmitter
    Matching: ●Second sealed box liquid level alarm interlocking-tuning fork switch
    ●Imported low liquid level alarm chain—tune fork switch
    ●Inlet pressure monitoring-electric contact pressure gauge or pressure transmitter
    ●Bearing temperature monitoring—thermocouple
  • CDS series double suction pump
    CDS series double suction pump
    0.00
    CDS series are magnetic drive radial split single stage double suction horizontal centrifugal pumps. The pump casing is supported by the center line of the double volute casing. The direction of pump inlet and outlet can be designed as top-in top-out or side-in top-out according to requirements. The pump rotor is supported by spherical seat adaptive SiC sliding bearings. The residual axial force is carried by the thrust disk. The driving end of the pump is rolling bearing and oil lubricated. The bearing box can be designed for natural cooling or water cooling. The bearing box can be installed with a dry gas mechanical seal to form a secondary seal. Diaphragm lengthened coupling is used for motor and pump. The pump steering is seen clockwise from the drive end.

    DN: 150~300mm
    Q: Up to 2300m³/h
    H: up to 400m
    Design working temperature: ≤230℃
    Design working pressure: ≤4.0MPa
    Application: cleaning liquid

    Monitoring instrument
    Standard configuration: ●Interlayer pressure monitoring of double-layer isolation sleeve-electric contact pressure gauge or pressure transmitter
    Matching: ●Second sealed box liquid level alarm interlocking-tuning fork switch
    ●Imported low liquid level alarm chain—tune fork switch
    ●Inlet pressure monitoring-electric contact pressure gauge or pressure transmitter
    ●Bearing temperature monitoring—thermocouple
  • CZA (OH1), CZE (OH2) series process pump
    CZA (OH1), CZE (OH2) series process pump
    0.00
    CZA and CZE series are magnetic drive single-stage single-suction horizontal centrifugal pumps. The water conservancy model is the same, the difference lies in the way of the pump body support and the design pressure of the pump casing. Among them, CZA is the foot support (standard type code OH1); CZE is the center support (standard type code OH2). The pump outlet pipe diameter DN80 and above is designed with double volute casing to balance the radial force. The axial force is balanced by the balance chamber. The axial force of residual and abnormal working conditions is carried by the thrust plate in both directions. Sliding bearings usually use SSiC material. SSiC bearings (including thrust discs) are designed for spherical seats. The driving end of the pump is rolling bearing and oil lubricated. The bearing box can be designed for natural cooling or water cooling. The bearing box can be installed with a dry gas mechanical seal to form a secondary seal. Diaphragm lengthened coupling is used for motor and pump. Small-size pumps (22kw and below) can be designed as direct-connected motors. The pump steering is seen clockwise from the drive end.

     

    DN:25~400mm
    Q:2600m³/h
    H:300m
    Design working temperature:CZA 90℃ CZE 250℃
    Design work pressure:CZA 1.6MPa CZE 4.0MPa
    Application: cleaning liquid

    Monitoring instrument
    Standard configuration: ● Double-layer isolation sleeve pressure monitoring between layers-electric contact pressure gauge or pressure transmitter
    Optional: ●Second sealed box liquid level alarm chain-tuning fork switch
    ●Imported low liquid level alarm chain-tuning fork switch
    ●Inlet pressure monitoring-electric contact pressure gauge or pressure transmitter
    ● Bearing temperature monitoring-thermocouple
  • CZY, CMY series submerged pump
    CZY, CMY series submerged pump
    0.00
    CZY and CMY series are magnetic drive vertical suspension centrifugal pumps. CZY is a single level, CMY is a multi-level. The pump liquid is discharged through the half-space guide vane, support tube and independent liquid discharge tube. CZY impeller design has closed and open. The two-point or multi-point sliding bearing of the rigid long shaft of the pump is supported. The axial force is dynamically balanced by the balance plate. Sliding bearings usually use SSiC material. The drive motor is directly connected to the external magnetic rotor. A dry gas mechanical seal can be installed in the motor box to form a secondary seal. The motor box can be designed with natural cooling or water cooling. The pump steering is seen clockwise from the drive end.

    CZY series
    DN: 25~400mm
    Q: Up to 2600m³/h
    H: up to 300m
    Allowable working temperature: ≤250℃
    Design working pressure: ≤4.0MPa

    CMY series
    DN: 40~200mm
    Q: Up to 800m³/h
    H: up to 1200m
    Allowable working temperature: ≤250℃
    Design working pressure: ≤10.0MPa

    Monitoring instrument
    Standard configuration: ●Interlayer pressure monitoring of double-layer isolation sleeve-electric contact pressure gauge or pressure transmitter
    Matching:●Second sealed box liquid level alarm interlocking-tuning fork switch
    ●Temperature monitoring of sliding bearing—thermocouple
  • CZG (OH3) series pipeline pump
    CZG (OH3) series pipeline pump
    0.00
    The CZG series are magnetically driven single-stage single-suction vertical centrifugal pumps, with an inlet and outlet direction of 180° (standard type code OH3). Large size (outlet diameter DN80 and above) pump body is designed with double volute to balance radial force. The axial force is balanced by the balance chamber. The axial force of residual and abnormal working conditions is carried by the thrust disk. The sliding bearing is usually made of SSiC material, spherical seat design, the drive motor is directly connected with the external magnetic rotor. The motor box can be installed with a dry gas mechanical seal to form a secondary seal. The motor box can be designed with natural cooling or water cooling. The pump steering is seen clockwise from the drive end.

    DN: 25~400mm
    Q: up to 2600m³/h
    H: up to 300m
    Allowable working temperature: ≤230℃
    Design working pressure: ≤4.0MPa
    Application: clean or liquid containing a small amount of non-ferromagnetic suspended particles

    Monitoring instrument
    Standard configuration: ●Interlayer pressure monitoring of double-layer isolation sleeve-electric contact pressure gauge or pressure transmitter
    Matching:●Import liquid level alarm-tuning fork switch
    ●Inlet pressure monitoring-electric contact pressure gauge or pressure transmitter
    ●Bearing temperature monitoring—thermocouple

| Certification --Over 20 years of focus on research and development, design and manufacture of special pumps

| News --Over 20 years of focus on research and development, design and manufacture of special pumps

Dalian Roland Pump Co., Ltd.

Factory Address: Beihai Industrial Park, Houmu Village, Yingchengzi Street, Ganjingzi District, Dalian City office (marketing): Room 404, No. 9 Chengren Street, Shahekou District, Dalian City (Yindu Building)
Postcode:116021
Fax:0411-84620048
Website:
http://www.dlb.cn
Email:sales@dalian-pumps.com

 

Contact Us

Sales: Mr. Liu      Tel:15940909967
Sales: Mr. Tang   Tel:13904281362

Dalian Roland Pump Co., Ltd.

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