Heat Pump User Manual

8
122
MATERIALS OF CONSTRUCTION
Item Description Material
100 Casing
101 Impeller
103 Wear Ring
184 Seal Housing
370 Socket Head Cap Screw
408 Drain plug –
3
⁄
8
NPT AISI TYPE 316 SS
126 Shaft Sleeve 316 SS
178 Impeller Key Steel
422 Impeller Stud Steel
199 Impeller Washer 316 SS
412A O-ring, impeller BUNA-N
412F O-ring, shaft sleeve BUNA-N
513 O-Ring BUNA-N
Mechanical Seal Carbon/Ceramic
383 Standard Part BUNA-N Elastomers
No. 10K13 316 SS Metal Parts
383A Spring Retainer AISI Type 316SS
108 Adapter
228 Bearing Frame Cast Iron ASTM A48 CL20
134 Bearing Cover
122 Pump Shaft
168 Ball Bearing (Inboard)
112 Ball Bearing (Outboard)
136 Retaining Ring
370B Hex Head Cap Screw Steel
(Adapter to Bearing Frame)
370C Hex Head Cap Screw
(Bearing Frame to Cover)
333A Lip Seal BUNA-N
193 Grease Fitting Steel
123 V-Ring Deflector BUNA-N
Pump End Components
Power End Components
OPTIONAL MECHANICAL SEALS
John Crane Type 21 Mechanical Seals
Item
Part
Rotary Stationary Elastomers
Metal
Intended Duty
No. Parts
10K19 Ni-Resist EPR Hi-Temperature
10K25
Carbon
Ni-Resist Viton Chemical
10K27
Tungsten
EPR
Hi-Temperature
Carbide Mild Abrasive
SSH-F Components
383
Options
316
SS
383100 101 513 370 184 108 228
103 199 422 408 178 370B 123 168 112 136
134
370C
333A
412A
412F
AISI TYPE 316L
Stainless Steel
383A
(S-GROUP
LOCATION)
383A
(M-GROUP
LOCATION)
126