• PROCESS INDUSTRY 21XX

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  • Offer Profile
  • Since 1946 Klaus Union is a market leader in the development of pumps and valves that meet the most exacting quality requirements. And this is as it should be, since our products are used to transport aggressive, toxic and explosive substances in the chemical and petrochemical industries.

    We play a major role in ensuring that plants in these industries operate reliably and in a manor that protects both people and the environment.
Product Portfolio
  • Pumps

      • Centrifugal Pumps with Magnet Drive

          • SLM NV

          • Centrifugal Pump based on DIN EN ISO 2858 / 15783
            • Fields of Application: Chemistry / Petrochemistry / Refrigeration and Heat Treatment / Oil & Gas / Power
            • Flow Rate: max. 3.500 m3/h
            • Delivery Head: max. 220 m L.C.
            • Temperature Range: -120 °C to +450 °C (Hochtemp.-Pumpe SLM NHO)
            • Pressure Rating: max. PN 400
          • SLM AP

          • Centrifugal Pump acc. API 685
            • Fields of Application: Chemistry / Petrochemistry / Refrigeration and Heat Treatment / Oil & Gas / Power / On- & Offshore Plants
            • Flow Rate: max. 3.500 m3/h
            • Delivery Head: max. 220 m L.C.
            • Temperature Range: -120 °C to +450 °C
            • Pressure Rating: max. PN 400
          • SLM AV

          • Centrifugal Pump acc. to ASME 73.3
            • Fields of Application: Chemistry / Petrochemistry / Power / Oil & Gas / Refrigeration and Heat Treatment
            • Flow Rate: max. 3.500 m3/h
            • Delivery Head: max. 220 m L.C.
            • Temperature Range: -120 °C to +450 °C
            • Pressure Rating: max. PN 400
               
          • SLM NHO

          • Centrifugal Pump for High Temperature Applications (450 °C)
            • Design according DIN EN ISO 2858 / 15783
              Fields of Application: Chemistry / Energy / Heat Treatment
            • Flow Rate: max. 1.200 m3/h
            • Delivery Head: max. 200 m L.C.
            • Temperature Range: -120 °C to +450 °C
            • Pressure Rating: max. PN 40

          • SLM GV

          • Multi-Stage Centrifugal Pump based on DIN EN ISO 15783 / API 685
            • Fields of Application: Chemistry / Petrochemistry / Refrigeration and Heat Treatment / Oil & Gas / Power
            • Flow Rate: max. 350 m3/h
            • Delivery Head: max. 700 m L.C.
            • Temperature Range: -120 °C to +350 °C
            • Pressure Rating: max. PN 200
          • SLM SV

          • Multi-Stage Side Channel Pump based on DIN EN ISO 15783
            • Fields of Application: Chemistry / Petrochemistry / Refrigeration / Oil & Gas / Vacuum Technology
            • Flow Rate: max. 42 m3/h
            • Delivery Head: max. 470 m L.C.
            • Temperature Range: -50°C to +200 °C
            • Pressure Rating: max. PN 40
          • SLM NVT

          • Submerged Pump based on DIN EN ISO 2858 / 15783
            • Fields of Application: Chemistry / Petrochemistry / Power
            • Flow Rate: max. 900 m3/h
            • Delivery Head: max. 200 m L.C.
            • Temperature Range: -50 °C to +200 °C
            • Pressure Rating: max. PN 40
            • Tauchtiefen bis 10 Meter
          • ENERGY EFFICIENT DESIGN

          • Enhancing pump efficiency through the use of non-metallic containment shells
            • Nom. Pressure Rating: PN 40 (PN 50 / PN 63 available on request)
            • Temperature Range: -200 °C to +400 °C
            • Transmittable Power: up to 1 MW
        • Centrifugal Pumps with Shaft Seal

            • NOV

            • Centrifugal pump acc. to DIN EN ISO 2858 / 5199
              • Industries: Chemical Industry/ Petrochemical Industry / Refrigeration and Heat Transfer / Oil & Gas / Paper and Cellulose Plants / Power / Sugar Industry / Coking Plants
              • Flow Rate: max. 3.500 m3/h
              • Delivery Head: max. 220 m L.C.
              • Temperature Range: -120 °C to +450 °C
              • Pressure Rating: max. PN 100


               
            • GOV

            • Multi-Stage Centrifugal Pump acc. to DIN EN ISO 5199
              • Industries: Chemical Industry / Petrochemical Industry / Refrigeration and Heat Transfer / Oil & Gas / Power
              • Flow Rate: max. 350 m3/h
              • Delivery Head: max. 700 m L.C.
              • Temperature Range: -120 °C to +350 °C
              • Pressure Rating: max. PN 100


               
            • TP NO

            • Submerged Centrifugal Pump acc. to DIN EN ISO 2858 / 5199
              • Industries: Chemical Industry / Petrochemical Industry / Refrigeration and Heat Transfer / Power
                Flow Rate: max. 1.600 m3/h
              • Delivery Head: max. 200 m L.C.
              • Temperature Range: -50 °C to +250 °C
              • Pressure Rating: max. PN 40


               
            • P

            • Horizontally Mounted Propeller Pump
              • Industries: Power / Chemical Industry / Petrochemical Industry / Paper and Cellulose Industry / Cooling Water Plants/ Sea Water Treatments
              • Flow Rate: max. 12.000 m3/h
              • Delivery Head: max. 12 m L.C
              • Temperature Range: -120 °C to +250 °C
              • Pressure Rating: max. PN 100
            • UP

            • Vertically Mounted Propeller Pump for Integration into a Tank
              • Industries: Power / Chemical Industry / Petrochemical Industry / Paper and Cellulose Industry / Cooling Water Plants/ Sea Water Treatments
              • Flow Rate: max. 21.500 m3/h
              • Delivery Head: max. 8,5 m L.C
              • Temperature Range: -50 °C bis +400 °C
              • Pressure Rating: max. PN 10
          • Twin Screw Pumps with Magnet Drive

                • SLM DSP-2C

                • Single Volute Twin Screw Pump acc. to API 676
                  • Industries: Chemical Industry / Petrochemical Industry / Oil & Gas / Power / Sugar Industry / Paint
                  • Flow Rate: max. 1.800 m3/h
                  • Differential Pressure: max. 40 bar
                  • Temperature Range: -120°C to +350 °C
                  • Viscosity: max. 100.000 mm²/s (cSt)
            • Twin Screw Pumps with Mechanical Seal

                • DSP-2C

                • Single Volute Twin Screw Pump acc. to API 676, 3rd Edition
                  • ‘Plug & Pump’ – Cartridge Design
                  • Industries: Chemical Industry / Petrochemical Industry / Oil & Gas / Power / Sugar Industry / Paint
                  • Flow Rate: max. 1.800 m3/h
                  • Differential Pressure: max. 40 bar
                  • Temperature Range: -120°C to +350 °C
                  • Viscosity: max. 100.000 mm²/s (cSt)
                • DSP-4C

                • Double Volute Twin Screw Pump acc. to API 676, 3rd Edition
                  • ‘Plug & Pump’ – Cartridge Design
                  • Industries: Oil & Gas / Shipbuilding / Chemical Industry / Power / Sugar Industry / Paint
                  • Flow Rate: max. 5.000 m3/h
                  • Differential Pressure: max. 100 bar
                  • Temperature Range: max. +350 °C
                  • Viscosity: max. 100.000 mm²/s (cSt)
              • Valves

                  • DIN/EN Valves

                      • GLOBE VALVES - STRAIGHT SEAT ACC. DIN/EN

                        • Nom. Size Range: DN 15 – DN 300
                        • Nom. Pressure Range: PN 10 – PN 160
                        • Temperature Range: -200 °C up to +550 °C
                        • Materials: 1.4308, 1.4552, 1.4408, 1.4581, 1.0619, 1.5419, 1.7357, 1.7363
                        • Further Materials upon Request
                      • GLOBE VALVES - SLANTED SEAT ACC. DIN/EN

                        • Nom. Size Range: DN 15 – DN 200
                        • Nom. Pressure Range: PN 10 – PN 160
                        • Temperature Range: -200 °C up to +550 °C
                        • Materials: 1.4308, 1.4552, 1.4408, 1.4581, 1.0619, 1.5419, 1.7357, 1.7363
                        • Further Materials upon Request
                      • GATE VALVES - ISOMORPHOUS SERIES ACC. DIN/EN

                        • Nom. Size Range: DN 40 – DN 600
                        • Nom. Pressure Range: PN 2, PN 5 – PN 160
                        • Temperature Range: -10 °C up to +300 °C
                        • Materials: 1.4308, 1.4408
                        • Further Materials upon Request
                      • GATE VALVES (WEDGE OR DOUBLE DISC) ACC. DIN/EN

                        • Nom. Size Range: DN 50 – DN 600
                        • Nom. Pressure Range: PN 10 – PN 160
                        • Temperature Range: -200 °C up to +550 °C
                        • Materials: 1.4308, 1.4552, 1.4408, 1.4581, 1.0619, 1.5419, 1.7357, 1.7363
                        • Further Materials upon Request

                      • OVERFLOW VALVES ACC. DIN/EN

                        • Nom. Size Range: DN 15 – DN 150
                        • Nom. Pressure Range: PN 10 – PN 40
                        • Temperature Range: -200 °C up to +300 °C
                        • Materials: 1.4308, 1.4408, 1.0619
                        • Further Materials upon Request
                      • CHECK VALVES (PISTON CHECK VALVES, SWING CHECK VALVES) ACC. DIN/EN

                        • Nom. Size Range: DN 15 – DN 500
                        • Nom. Pressure Range: PN 10 – PN 160
                        • Temperature Range: -200 °C up to +550 °C
                        • Materials: 1.4308, 1.4552, 1.4408, 1.4581, 1.0619, 1.5419, 1.7357, 1.7363
                        • Further Materials upon Request
                      • SIGHT GLASSES ACC. DIN/EN

                        • Nom. Size Range: DN 15 – DN 200
                        • Nom. Pressure Range: PN 10 – PN 40
                        • Temperature Range: +50 °C up to +280 °C
                        • Materials: 1.4308, 1.4552, 1.4408, 1.4581, 1.0619, 1.5419, 1.7357, 1.7363
                        • Further Materials upon Request
                      • STRAINERS ACC. DIN/EN

                        • Nom. Size Range: DN 15 – DN 300
                        • Nom. Pressure Range: PN 10 – PN 40
                        • Temperature Range: -200 °C up to +550 °C
                        • Materials: 1.4308, 1.4552, 1.4408, 1.4581, 1.0619, 1.5419, 1.7357, 1.7363
                        • Further Materials upon Request
                      • BOTTOM VALVES ACC. DIN/EN

                        • Nom. Size Range: DN 25 – DN 200
                        • Nom. Pressure Range: PN 10 – PN 16
                        • Temperature Range: -200 °C up to +400 °C
                        • Materials: 1.4308, 1.4552, 1.4408, 1.4581, 1.0619, 1.5419, 1.7357, 1.7363
                        • Further Materials upon Request
                    • ASME/API Valves

                        • GLOBE VALVES - STRAIGHT SEAT

                          • Nom. Size Range: 2″ – 12″
                          • Nom. Pressure Range: Class 150 – 600
                          • Temperature Range: -200 °C – +595 °C / -325 °F bis +1,103 °F
                          • Materials: ASTM A351 CF8, ASTM A351 CF8C, ASTM A351 CF8M, ASTM A351 CF8MC,
                            ASTM 216 WCB, ASTM A217 WC1, ASTM A217 WC6, ASTM A217 C5
                          • Further Materials upon Request
                        • GLOBE VALVES - SLANTED SEAT

                          • Nom. Size Range: 2″ – 12″
                          • Nom. Pressure Range: Class 150 – 600
                          • Temperature Range: -200 °C – +595 °C / -325 °F bis +1,103 °F
                          • Materials: ASTM A351 CF8, ASTM A351 CF8C, ASTM A351 CF8M, ASTM A351 CF8MC,
                            ASTM 216 WCB, ASTM A217 WC1, ASTM A217 WC6, ASTM A217 C5
                          • Further Materials upon Request
                        • BACKFLOW PREVENTER

                          • Nom. Size Range: 2″ – 24″
                          • Nom. Pressure Range: Class 150 – 600
                          • Temperature Range: -200 °C – +595 °C / -325 °F bis +1,103 °F
                          • Materials: ASTM A351 CF8, ASTM A351 CF8C, ASTM A351 CF8M, ASTM A351 CF8MC,
                            ASTM 216 WCB, ASTM A217 WC1, ASTM A217 WC6, ASTM A217 C5
                          • Further Materials upon Request
                        • GATE VALVES

                          • Nom. Size Range: 2″ – 48″
                          • Nom. Pressure Range: Class 150 – 600
                          • Temperature Range: -200 °C – +595 °C / -325 °F bis +1,103 °F
                          • Materials: ASTM A351 CF8, ASTM A351 CF8C, ASTM A351 CF8M, ASTM A351 CF8MC,
                            ASTM 216 WCB, ASTM A217 WC1, ASTM A217 WC6, ASTM A217 C5
                          • Further Materials upon Request