M Series Close Coupled |
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The contractor shall furnish (and install as shown on the plans) an MTH M50 Series (horizontal) (vertical base mount) close coupled regenerative turbine type pump model _____ size ____ of (BRONZE FITTED) (ALL IRON) (ALL BRONZE) (316 STAINLESS STEEL) construction. Each pump shall have a capacity of ___GPM when operating at a total head of ___feet. Suction pressure will be ___feet with a liquid temperature of ___degrees F. The pump is to be furnished with a mechanical seal with stainless steel metal parts, (Buna) (EPR) (Teflon) (Viton) elastomers, (ceramic) (ni-resist) (silicon carbide) (tungsten carbide) seat and carbon washer. Pump will have shaft sleeve or stainless steel shaft which will prevent pumped fluid from contacting motor shaft. The pump shall be vertically split design with replaceable external channel rings that have water passageways accurately machined into each ring. The suction and discharge will have (NPT) (SAE) (BSP) (ISO) threads located in the top vertical position for self-venting and shall be cast separately from one another. The impeller(s) shall be hydraulically self-centering and no external adjustment shall be necessary. The pump shall be mounted to a standard NEMA __HP __phase __Hertz __volt __RPM (horizontal) (vertical), (open dripproof) (totally enclosed) (explosion proof) motor. Each pump shall be tested at the specified capacity and head prior to shipment. The motor shall be sized to prevent overloading at the highest head condition listed in the specifications. |
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