Heat Pump User Manual

7
MATERIALS OF CONSTRUCTION
Item Description Material
100 Casing
101 Impeller
103 Wear Ring
184 Seal Housing
370 Socket Head Cap Screw
(Casing to Adapter)
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
108 Adapter Cast Iron ASTM A48CL20
371
Hex Head Cap Screw
Steel
(Adapter to Motor)
412A O-ring, impeller BUNA-N
412F O-ring, shaft sleeve BUNA-N
513 O-Ring BUNA-N
Carbon/Ceramic
383 Mechanical Seal Part No. 10K13 Buna Elastomers
316 SS Metal Parts
383A Spring Retainer AISI Type 316 SS
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-C Components
316
SS
383
Options
100 101 178 108 370
513
184
383
199 422 408 126 371
103
412F
412A
AISI TYPE 316L
Stainless Steel
383A
(S-GROUP
LOCATION)
383A
(M-GROUP
LOCATION)