Verdermag Global Metallic Magdrive Pumps (Verder Liquids)
Sealless metallic magnetic-drive centrifugal pumps Verdermag Global (VMS1, VMM2, VMHP) up to 80 m3/h, 100 bar, and +205 C for chemical, petrochemical, fast-loop, and ATEX processes.
VM Style I (VMS1) Compact Magdrive Pumps
Verdermag Global Style 1 features a top centerline self-venting housing in 316 or CF8M steel mounted directly to a pedestal. It handles 25 m3/h flow, 40 m wc head, and 16 bar up to 205 C. A Hastelloy containment tube cuts eddy current losses.
- Flow: up to 25 m3/h (27 m3/h max range)
- Head: up to 40 m wc; pressure: up to 16 bar
- Motor: up to 4 kW, 3000/3600 rpm, 50/60 Hz
- Models & seals: 25-160, 32-125, 32-160, FKM or PTFE
Global Mark II (VMM2) ISO 2858 Magdrive Pumps
Built to ISO 2858:2010 and BS EN 22858:1993, VMM2 uses a one-piece 316/CF8M foot-supported pump body. It reaches 80 m3/h, 70 m head, 16 bar, and 18.5 kW power transmission. It handles up to 5% wt slurry at 250 microns with PTFE seals.
- Flow: up to 80 m3/h; head: 62 m wc (70 m datasheet)
- Pressure: 16 bar; min flow 10% of BEP efficiency
- Temp: -20 C to +205 C; viscosity up to 150 cP
- Standards: ISO 2858:2010, BS EN 22858:1993, EN/ANSI
High Pressure (VMHP) 100 bar Magdrive Pumps
VMHP horizontal end-suction pumps deliver leak-free operation at system pressures up to 100 bar. They reach 80 m3/h flow, 68 m wc head, and 18.5 kW up to 205 C. Hastelloy, stainless steel, or Inconel 625 containment tubes cut eddy losses.
- Pressure: up to 100 bar; differential head: 68 m wc
- Flow: up to 80 m3/h; motor power: up to 18.5 kW
- Flanges: ANSI Class 600, PN160 / ANSI Class 1500
- Models & seals: 25-125 to 65-160, FKM or FEP
Silicon Carbide (SiC) Bearings SCB.1 to SCB.4
Silica-free Silicon Carbide (SiC) front bearings are press-fitted into elastomer O-rings to absorb thermal shock. Internal circulation lubricates the bearing set during operation. The manual specifies wear replacement limits for sizes SCB.1 to SCB.4.
- Sizes: SCB.1 (20 mm), SCB.2 (25 mm), SCB.3 (38 mm)
- Large bearing set SCB.4 (E2): 50.0 mm nominal
- Wear limits: Sleeve OD -0.1 mm, Bush ID +0.2 mm
- Parts: Front Bearing Assy, Bearing Holder, Thrust Pin
SmCo Magnetic Coupling and Containment Tubes
Rare-earth Samarium Cobalt (SmCo) magnets maintain synchronous torque transmission at temperatures up to 205 C without slippage. A 316L sheath encapsulates the inner rotor magnets. The 316L backplate supports fast cartridge extraction.
- Magnets: high-temp Samarium Cobalt (SmCo) up to 205 C
- Containment tube: Hastelloy, 316L, or Inconel 625
- Drive end: Outer Rotor Assy and Taper Lock Bush Assy
- Assemblies: Back Plate Assy, Pedestal, Transition Flange
316/CF8M Wet-End Parts and O-Ring Seal Kits
Pump bodies and one-piece closed impellers are built in 316, 316L, or CF8M stainless steel with top centerline discharge. Static joints and bearing shock mounts use replaceable O-ring kits. Seal compound selection matches process fluid chemistry.
- Wet-end metals: 316, 316L, and CF8M stainless steel
- Impeller: closed type with Impeller Locknut retention
- Elastomers: FKM (Viton), PTFE, FEP, EPDM, FFKM
- Spares: Pump Body, Body O-Ring, Impeller Assy, O-Ring Kit
ATEX Ex h Pumps, Fast-Loop and CIP Systems
ATEX versions meet Directive 2014/34/EU and EN ISO 80079-36/37 under marking Ex h IIB T4 Gb / Db. Applications cover petrochemical fast-loop sampling, nanofiltration, CIP cleaning, and thermal oil loops. Units are built in Castleford, UK.
- ATEX marking: Ex h IIB T4 Gb / Db (T1-T6 temp classes)
- Duties: nanofiltration, fast-loop, CIP, thermal oil
- Limits: viscosity 150 cP, occasional solids 0.5 mm
- Factory: VERDER Ltd. (Castleford, UK), ISO 9001/14001
Selecting Between Verdermag Global VMS1, VMM2, and VMHP Series
The Verdermag Global range covers three metallic sealless magnetic-drive centrifugal series in 316/CF8M stainless steel. VM Style I (VMS1) fits compact pedestal-mounted duties up to 25 m3/h, 40 m wc differential head, 16 bar, and 4 kW.
Global Mark II (VMM2) complies with ISO 2858:2010 and BS EN 22858:1993 foot-mounted dimensions, delivering up to 80 m3/h, 62 to 70 m head, and 18.5 kW power transmission.
For high-pressure process loops up to 100 bar system pressure (ANSI Class 600 or high-pressure DIN/ASME flanges up to PN160 / ANSI Class 1500), the High Pressure (VMHP) series pairs a reinforced pump body with a Hastelloy, 316L, or Inconel 625 containment tube.
All three series use Samarium Cobalt (SmCo) magnets (-20 C to +205 C) and floating Silicon Carbide (SiC) bearings up to 150 cP viscosity.
ATEX Protection, Solids Limits, and Project Specification
Manufactured by VERDER Ltd. in Castleford, UK under ISO 9001, ISO 14001, and ISO 45001 quality systems, Verdermag Global pumps are available with ATEX Ex h IIB T4 Gb / Db compliance (2014/34/EU, EN ISO 80079-36/37).
In fast-loop sampling, nanofiltration, CIP, and thermal oil circulation, slurry is limited to 5% wt at 250 microns (0.5 mm occasional solids) and flow must stay above 10% of BEP.
When specifying a new unit or replacement cartridge, confirm series (VMS1, VMM2, or VMHP), flow and head, system pressure, temperature, fluid chemistry and vapor pressure for elastomer selection (FKM, PTFE, FEP, EPDM, or FFKM), and EN or ANSI flange standards.
Verdermag Global and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Verdermag Global and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.
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Documents and sources
- Verdermag Global metallic magnetic drive centrifugal pumps overview — Verder Liquids
- VM Style I (VMS1) magnetic drive pump specifications
- Global Mark II (VMM2) ISO 2858 magnetic drive pump specifications
- High Pressure (VMHP) 100 bar magnetic drive pump specifications
- Verdermag VMS1 technical datasheet (PDF)
- Verdermag VMM2 technical datasheet (PDF)
- Verdermag VMHP technical datasheet (PDF)
- Verdermag Global original operating manual Style 1, MKII, High System Pressure (PDF)
- VERDER Ltd. UK manufacturing facility for Verderflex and Verdermag
- Official Chinese product page for Verdermag Global on Verder Liquids
