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Materials and
Components:		 - Main material: Parts made solid of PVDF, PP or PVC
- Medium temperature up to 50° C possible
- Elastomere alternatively made of FKM, EPDM, FEP or Kalrez®
- Shafts are made of stainless steel or Hastelloy C4
- Mechanical seals made of PTFE, ceramic, carbon or SiC
- Structure in the designs A, B and C:
  - Design A: No metal parts in the pump are in contact with the medium. The
  impeller is equipped with a shaft sleeve. The face pressure is achieved with a
  thrust-collar-loaded mechanical seal.
- Design B: The mechanical seal is spring-loaded. The impeller is equipped with
  a shaft sleeve. The spring is made of Hastelloy and in contact with the
  medium; however, the shaft is not.
- Design C: The mechanical seal is spring-loaded. The impeller does not have a
  shaft sleeve. Simple, robust structure.
- The metal parts that are in contact with the medium (shaft sleeve, impeller insert
  and locking nut) are available in stainless steel or Hastelloy.
- High-quality electric motors made in Germany
Material details: - PVDF:

- PP:
- PVC:
- FKM:
- EPDM:

- FEP:

- Kalrez ®:
- PTFE:
- SiC:
- Carbon:
- Stainless steel:
- Hastelloy C4:
- Keramik: 
 Polyvinylidene Fluoride, Pure, milky white,
not colored (up to +95° C)
Polypropylene, Fiber glass-reinforced, gray (up to +80° C)
Polyvinyl chloride, dark gray (up to +50° C)
Viton® quality, -20...+200° C
Ethylene propylene diene M-class rubber,
Food-safe (FDA, KTW, WRC), -40...+160° C
Fluorinated ethylene propylene with Viton® or silicone core, -60…+200° C
High performance elastomere up to +315° C
Pure Teflon®, fiber glass or carbon fiber reinforced
Silicon carbide, without free silicon, sintered
Carbon, impregnated with synthetic resin, food-safe
1.4571 or stainless steel fine cast 1.4581 (A4) (up to +150° C)
2.4610
Highly pure Al2O3-ceramic 99.7%



Motor details: - Standard Motors (stock items):
  - Three-phase motors:

- Alternating current motors:
 230/400 V 3ph, 50 Hz, IP 55, insulation-class F
or 277/480 V 60 Hz also with PTC thermistor
230 V 1ph, 50/60 Hz, IP 55, Insulation class F

- Special design models (available):
  - Three-phase motors, explosion proof, flameproof enclosure, EEx de II CT4
- Special voltages and frequencies
- 2-, 4- and 8-pole
- UL and CSA execution
- Special protection types (e.g. IP 65)
- High temperature designs
- Special insulation classes (e.g. tropical insulations)
- Multi area voltage (e.g. 220-290 / 380-500 V 50 Hz;
  220-332 / 380-575 V 60 Hz.)
- Additional designs upon enquiry.