Condensate pumps Mechanical pumps and pumps traps
9
Materials
13
1 2 4
11
12
5
6
7
3
APT14 shown
Trap mechanism materials on page 8
6.1.15
No.
Part
Material
APT14
SG iron
EN JS 1025 or ASTM A395
1
Cover
APT14HC
SG iron
EN JS 1025 or ASTM A395
APT14SHC Carbon steel
EN 1.0619+N or ASTM A216 WCB
APT14
Graphite laminated with stainless steel insert
2
Cover gasket
APT14HC Graphite laminated with stainless steel insert APT14SHC Novapit SSTC expanded graphite laminated with stainless steel insert
9.1 14
APT14
SG iron
EN JS 1025 or ASTM A395
3
Body
APT14HC
SG iron
EN JS 1025 or ASTM A395
APT14SHC Carbon steel
EN 1.0619+N or ASTM A216 WCB
Cover bolts
Stainless steel
ISO 3506 Gr. A2 70
4
Location pins
APT14SHC only Stainless steel
304
5 6 7
Pump lever
Stainless steel
BS 1449 304 S15
Float
Stainless steel
BS 1449 304 S15
Trap lever
Stainless steel
BS 1449 304 S15
11
Seat (inlet check valve)
Stainless steel
AISI 420
12 13
Flap (inlet check valve)
Stainless steel
BS 3146 ANC 4B
Pump mechanism bracket
Stainless steel
BS 3146 ANC 4B
Materials continued on next page
TI-P612-02 CMGT Issue 15
Page 6 of 13
APT14, APT14HC and APT14SHC Automatic Pump Traps
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