Centrifugal 200 Series Pump

The Sanitary 200 Series pump is designed for heavy-duty, high-efficiency applications and provides exceptional corrosion resistance. The impeller and shaft are one piece, which connects directly to motor shaft, eliminating such problems as vibration, short bearing life, high NPSH requirements, high seal maintenance, poor alignment and adverse operating conditions.

Benefits:

• 316L stainless steel volute, backplate, impeller and shaft
• Five-bladed impeller with deeper eye for improved inlet characteristics
• Modular seal design – one size fits all models
• Wide range of seal options, including standard commercial seals
• Strong JM-type motor with large bearings and strong shaft
• Base mounting options available with all sizes
• Temperature range of fluids up to 450°F (232°C)

The 200 Series one-piece impeller/shaft sleeve design not only extends the life of seals, but it reduces the number of shaft seal sizes to one, resulting in a minimum spare parts inventory requirement. These stationary seals are designed to last longer with a siliconized carbon (standard) lapped seat that is replaceable and reversible. This provides an excellent mating surface for the variety of rotary seals including food grade hard carbon, siliconized carbon, silicon carbide and tungsten carbide. No matter how demanding your application, there’s a Waukesha seal that’s tough enough to handle it. Waukesha’s pump offering includes eight sizes of pumps from 4.5” (114 mm) to 10.5” (267 mm) impeller diameter. All use the same size seal.

Combination Seal Options:

• Single external mechanical seal
• Single mechanical with a water cascade
• Double mechanical seal

Elastomer Material Options:

• Fluoroelastomer (FKM) O-Ring Standard
• EPDM
• Silicone
• Perfluoroelastomer (FFKM)

Example Mechanical Seal Options:

• John Crane Type 8-1 (inside mounted seal)
• John Crane Type 8B2 (outside mounted seal)
• John Crane Type 8-1 Double Seal
• John Crane Type 9 (inside mounted seal)
• John Crane Type 9 Double Seal
• John Crane Type 21 (inside mounted seal)
• John Crane Type 21 (Double seal)
• Chesterton 440 (outside mounted seal)
• Chesterton 880 (inside mounted seal)
• Flowserve/Durametallic Type “CRO” Double Seal
• Flowserve/Durametallic Type “RA” (externally mounted seal)
• Flowserve/Durametallic Type “RO” (internally mounted seal)

An optional water cascade attachment is available for handling products that tend to crystallize. It also protects the seal against overheating due to high vacuum conditions or high product temperatures.  For particularly adverse applications, 200 Series pumps are also available with an external balanced seal with replaceable silicon carbide mating surface. The water-cooled rotary double seal (Double Mechanical Seal Cutaway) features two seals fully enclosed with a stainless steel seal housing. Water or other suitable coolant circulates through the housing under moderate pressure to cool the seal surfaces. Higher coolant pressures may be used to assure proper interface between product seal face and products which have a tendency to solidify or otherwise denature when in contact with hot, rotating surfaces.

Pump Motor Bracket:

• Stainless Steel

Motor Types:

• NEMA JM Frame (standard)
• TEFC and Washdown enclosures are optional
• Explosion-proof and stainless steel
• Single phase or three phase, 60 or 50 Hz

Casing:

• Investment Cast 316L, satin exterior with sanitary finish in product zone

Port Connections:

• S-Clamp
• Bevel Seat
• Flanged
• NPT Threaded
• I-Line
• DIN
• Weld

Mounting:

• Heavy-duty flange with clamp

Backplate:

• Machined from solid bar 316L stainless steel.

Impeller:

• Machined from solid bar 316L stainless steel with five compound curved vanes with integral motor shaft sleeve (2045 has four vanes). Directly bolted to motor shaft with impeller retaining nut.