The OH1 closed coupled type, WNC+ are with volute casing, radially split pump with a back-pullout design and stub shaft design suitable to align with standard motors. Compact WNC+ pump sets offer the advantage of space saving and elimination of need a base plate, coupling and coupling guards. WNC+ range of pumps provides close coupled versions of Rodelta’s WN+ series which is designed based on the DIN 24255/ EN733 standards. The range covers 25 pump sizes from 32mm to 125mm discharge. The WNC+ pumps are suitable for applications with clean and clear liquids without solid abrasive particles suitable to water supply, firefighting, sprinkler, irrigation, air conditioning, drinking water and cooling water. This pump is also available in a non close coupled execution the WN+ / WNL+ (OH1)
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Pump casing had axial suction and top center-line delivery suction and delivery nozzles are integral with casing.
Impellers are enclosed type. The hydraulic thrust is balanced either by back vanes or through balancing holes and back vanes.
A special designed stub shaft is used to connect the pump with standard motor with greater ease.
WNC+ pumps are supplied along with mechanical seal arrangement as a standard source of supply. Mechanical seal will be as per DIN24960 standard dimensions. Two sizes of mechanical seals cover the entire range of WNC+ pumps sets.
Standard seal faces for mechanical seal
Standard seal: Ceramic
Rotating seal: Carbon
Direct drive through stub shaft
Direction of rotating will be clockwise when seen from motor side.
Pump casing flanges are drilled as per BSEN: 1092-2 (old 2533ND) plain face. Flange drilling can also be given as ASA, BS, IS standards.
This pump is also available in a non close coupled execution the WN+/WNL+ (OH1)