TWIN SCREW PUMPSSERIES DSP

Klaus Union GmbH & Co. KG

Blumenfeldstr. 1844795 BochumGermany

KU_D

SP_E

_08/14_0001

Phone +49 234 45 95 - 0Fax +49 234 45 95 - 7000E-Mail info@klaus-union.comInternet www.klaus-union.com

Product Program Pumps:

Pumps with Magnet Drive

E Centrifugal Pumps acc. to DIN EN ISO 2858 & DIN EN ISO 15783, SLM NV

E Centrifugal Pumps acc. to ANSI B73.3, SLM AVOE Centrifugal Pumps for Petrochemical Applications

acc. to API 685, SLM AVPE Centrifugal Pumps for High Pressure

Applications, SLM SV / SLM GVE Centrifugal Pumps for High

Temperature Applications, SLM NHOE Centrifugal Pumps for Liquids

Containing Solids, SLM NV OTE Self-Priming Centrifugal Pumps, SLM SVE Multistage Centrifugal Pumps,

Tension-Rod or Barrel-Type Design, SLM GVE Submerged Centrifugal Pumps, SLM NVTE Double-Suction Centrifugal Pumps, SLM ZV

Pumps with Shaft Sealing

E Twin Screw Pumps, DSPE Centrifugal Pumps acc. to DIN EN ISO 2858 &

DIN EN ISO 5199, NOVE Multistage Centrifugal Pumps,

Tension-Rod or Barrel-Type Design, GOV / GOVTE Horizontal and Vertical Propeller Pumps, PE Bottom-Flange Propeller Pumps, UPE Submerged Centrifugal Pumps, TP NOE Double Suction Centrifugal Pumps, NZ

Product Program Valves:E Globe Valves, TE Globe Valves, YE Gate Valves, Isomorphous Construction SeriesE Gate Valves, Wedge or Wedge PlatesE Relief ValvesE Check ValvesE Sight GlassesE StrainersE FiltersE Bottom ValvesE Safety Valves

Klaus Union Service Performance:

E Workshop / On-Site RepairsE Genuine Spare Part Delivery WorldwideE Spare Parts StorageE Customized Spare Parts ManagementE On-Site MaintenanceE InstallationE RetrofittingE On-Site Testing / MonitoringE Customer Advisory ServiceE Start Up & CommissioningE Individual 24 / 7-ServiceE Trouble-ShootingE In-House & On-Site TrainingE On-Site Assembly and DisassemblyE Long-Term Maintenance ContractsE Maintenance Planning and ConsultingE Diagnostics

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Klaus Union Twin Screw Pumps

Klaus Union Twin Screw Pumps series DSP are designed in accordance with the requirements of API 676. They are double volute, self-priming positive displacement pumps for low (DSPN), medium (DSPM) and high pressure (DSPH) applications suitable for transport of abrasive / non abrasive, corrosive/non corrosive, lubricating / non lubricating, high or low viscous fluids.

Selfpriming Screw Pump with two screws in double volute and hydraulically balanced design. The drive torque is transmitted from the drive screw to the idler screw via herring- bone gears.

The screws rotate closely meshing but without contact to the bore of the interchange able pump casing insert. As a result of the spe-cial profile geometry, sealed cavities are formed, which transport the pumped liquid continuously with low shear and without turbulences from both suction chambers axially to the discharge chamber.

For optimum strength and low shaft deflection both, drive screw and idler screw are manu-factured from single piece bar stock.

The special shape of the Klaus Union screw profile requires considerably less power consumption compared to standard geo-metries of comparable pump designs. Pump screws, liner, bearings, mechanical seals and casing covers are pre-assembled to a „Plug and Pump“ cartridge unit as a standard. The cartridge design reduces the downtime of the pumps during overhauls.

Quality Assurance

A major component of the Klaus Union ethosis to ensure highest product qualities. Existing quality assurance procedures with Klaus Union suppliers are constantly monitored from order placement to goods receipt and final assembly. This quality assurance system, developed on latest technologies, complies with the requirements of international regulations. Klaus Union is a DIN EN ISO 9001 certified company.

Twin Screw Pumps by Klaus Unionare used in

E Oil & GasE Tank StorageE Chemical and Petrochemical Industry E Power Generation and Fuel Oil SystemsE Shipbuilding

Twin Screw Pumps by Klaus Unionare used for

E Crude Oil and Finished-Petroleum ProductsE Low and High Viscous ProductsE Clean or Abrasive ProductsE Neutral or Corrossive ChemicalsE Fuel OilE Lubricating OilE TarE BitumenE AsphaltE FatsE ResinsE Residues

Klaus Union GmbH & Co. KGExperience – Responsibility – Passion

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In accordance with TÜV NORD CERT procedures, KLAUS UNION GmbH & Co. KGBlumenfeldstraße 18 44795 Bochum and KLAUS UNION Service GmbH & Co. KG Blumenfeldstraße 18 44795 Bochum are certified according to DIN EN ISO 9001

Klaus Union Twin Screw Pump Design

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Casted Pump Casing for Operating Pressures of 16, 50 and 100 barg (232, 725, 1450 psig)

Casted Replaceable Casing Insert (Liner)

Heavy Duty Spherical Roller Bearings, Oil Lubricated

Pump Screws from Single Piece Bar Stock, low Pulsation Design with optimized Screw Profile for minimized Power Consumption

Maximum allowable Rotor Deflection limited to approx. 50% of the Radial Clearance between Liner and Screw under max. Operating Conditions

Rotors of Low-Pulsation-Design and of Low-NPSHR-Design

Single or Double Acting Mechanical Seal, Component or Cartridge Design

Herringbone Type Timing Gears with Clamping Device. Reliable Torque Transmission and easy Screw Adjustment

Large Bearing and Gear Covers with Oversized Cooling Fins.Reduced need for External Oil System

Constant Level Oilers for Visual Monitoring of the Oil Level

Flanges in accordance with ASME or EN 1092-1

Casing Covers with Connections for Seal Flushing, Quench and Instrumentation

Klaus Union Performance Technology –Worldwide

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Klaus Union Subsidiary

Klaus Union Sales Office

Klaus Union Center of Competence

Algeria Australia Austria Belarus Belgium Brazil Canada China, Ningbo Colombia Czech Republic Denmark Egypt

England Finland France Germany, Bochum Hungary India, Pune Indonesia Iran Iraq Italy Kazakhstan Kuwait

Spain Sudan

Sweden Switzerland Taiwan Thailand Turkey Ukraine UAE USA, Houston Venezuela Vietnam

Malaysia Mexico Netherlands Norway Poland Portugal Romania Russia Saudi Arabia Singapore Slovakia South Korea

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Performance Data

Construction Materials

Flow Rate max. 5.000 m3/h (22,000 GPM)

Differential Pressure max. 100 bar (1,450 psi)

Viscosity max. 100,000 mm²/s (cSt)

Temperature max. 350°C (662°F)

Pump Casing Cast Carbon Steel 1.0619 (similar to A216WCB) Cast Stainless Steel 1.4408 (similar to A351 CF8M)Duplex Stainless Steel 1.4470 (A167-F317) Super Duplex Stainless Steel 1.4517 (A 890 / UNS J93372)

Liner Cast Carbon Steel 1.0619 (similar to A216WCB) Cast Stainless Steel 1.4408 (similar A351 CF8M) Duplex Stainless Steel 1.4470 (A182-F317) Super Duplex Stainless Steel 1.4517 (A 890 / UNS J93372) Wear Resistant Tungsten Carbide Coating

Casing Cover Carbon Steel or Stainless Steel 1.0425 (similar to A285C) Stainless Steel 1.4571 (similar to 316 Ti) Duplex Stainless Steel 1.4462 (A182-GA-F51) Super Duplex Stainless Steel 1.4501 (A 276 / UNS S32760)

Screws Carbon Steel 1.7227 (similar to A506-4140), hardened Stainless Steel 1.4542 (similar to UNS S17400), hardened Duplex Stainless Steel 1.4462 (A182-GRIF51) Super Duplex Stainless Steel 1.4517 (A 276 / UNS S32760) Wear Resistant Tungsten Carbide Coating

Shaft Seals Depending on the actual operating conditions

Higher flow rates upon request.

Upon request, Klaus Union Screw Pumps, Series DSP can be supplied also in Hastelloy, Inconel or Titanium.