Baker Manufacturing Company - TURBINE PITLESS UNIT

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20" TURBINE PITLESS SPECIFICATIONS

Ordering Information

Turbine Specifications

Parts Breakdown

COMPONENT MATERIALS

Well Vent - cast iron, green enamel finish.
Motor Support - cast iron, black corrosion resistant coating.
Combination Hold-Down & Lift-Out Mechanism - steel, black corrosion resistant coating.
Hold-Down Pipe - steel, black corrosion resistant coating.
Pitless Case - steel, corrosion resistant coating.
Discharge Body - steel, lead free galvanized.
Spool - steel, lead free galvanized.
NOTE: Provision for prelubrication not available.
NOTE: Units are designed for motors having an RPM of 1800 or less and a 24-1/2 ” base diameter having a 14-3/4 ” bolt circle. Maximum bury depth will be 9 feet. For units requiring exceptions to these conditions of design, special specifications must be used.
NOTE: Any combination between Column Pipe and Discharge Outlet size is possible, if required.

A	Unit minimum I.D. 19-1/4 in.: chamfered for butt weld to well casing.
B	Pitless Unit with Black Upper Case Std.: 21 in. I.D., 22 in. O.D.
C	2-1/2 in. NPT Tapping for Well Vent.
D	2-1/2 in. Protected Screen Well Vent.
E	Lift-Out Pipe: 7 in. IPS.
F	Turbine Motor having a maximum base diameter of 24-1/2 in. (Supplied by others)
G	Motor Mount Access Openings: (2) openings measuring 12-3/8 in. wide x 8-1/2 in. high.
H	7-1/8 in.
I	15 in.
J	12 in.
K	Shaft Bearing Housing.
L	Three 1 in. NPT Tappings ported to Column Pipe.
M	Shaft Bearings (Supplied by pump manufacturer): Total length of bearing to be 10 in. and a maximum O.D. of 3-1/4 in.
N	3/4 in. drain.
O	Dimension from center of Discharge Outlet to bottom of Discharge Body: 13-3/4 in.
P	1-1/2 in. NPT Tapping for optional Water Sampler.
Q	1 in. NPT Tapping.
R	Rabbet Fit for Upper Grease Seal Bearing Housing: Minimum O.D. of 3 in. and maximum O.D. of 4 in.; maximum Bolt Circle of Bearing Housing - 5-1/4 in. (Bearing & Bearing Housing supplied by others)
S	2 in.
T	3-3/8 in.
U	6-3/4 in.
W	32-1/2 in.
X	14-1/4 in.
Y	Lifting Lug: (2) Lugs for inserting or removal of inner well parts.
Z	SPOOL TO DROP PIPE CONNECTION SIZES:	6 in. NPT	8 in. NPT	10 in. NPT
	The Standard Spool is designed for a 150,000 lb. maximum load. Spools are available to sustain higher loads.	(3/4 Taper)	(3/4 Taper)	(3/4 Taper)
AA	Dimension from center of Discharge Outlet to bottom of Spool:	24-9/16 in.	24-9/16 in.	19-11/16 in.
	DISCHARGE CONNECTIONS & SIZES:
	For [BB] Butt Weld (IPS):	6 in. I.D.	8 in. I.D.	10 in. I.D.
	For [CC] Flanged (ASA Std. 150 lb.):	6 in. I.D.	8 in. I.D.	10 in. I.D.
	For [DD] Threaded nipple (NPT):	6 in. I.D.	8 in. I.D.	10 in. I.D.
	For [EE] Transition Sleeve (IPS):	6 in. I.D.	8 in. I.D.	10 in. I.D.
FF	Dimension from center of Well Casing to the end of Discharge Outlet.
	With [BB] Butt Weld Discharge:	26-1/2 in.	26-1/2 in.	19-1/2 in.
	With [CC] Flanged Discharge:	30 in.	30-1/2 in.	23-1/2 in.
	With [DD] Threaded Discharge:	30-9/16 in.	30-9/16 in.	31-9/16 in.
	With [EE] Transition Sleeve Discharge:	32-9/16 in.	32-9/16 in.	25-1/2 in.
GG	SPOOL ASSEMBLY
	Area of Water Passage(s):	33.18 sq. in.	66.36 sq. in.	66.36 sq. in.
	Percent Area of Water Passage(s) to Area of drop pipe	230%	132%	85%

Specifications are Subject to Change Without Notice.