14
2.6 Materials
No. Part Material
1 Cover
APT14 SG iron en js 1025 or ASTM A395
APT14HC SG iron en js 1025 or ASTM A395
APT14SHC Carbon steel en 1.0619+N or ASTM A216 WCB
2 Cover gasket Graphite laminated with stainless steel insert
3 Body
APT14 SG iron en js 1025 or ASTM A395
APT14HC SG iron en js 1025 or ASTM A395
APT14SHC Carbon steel en 1.0619+N or ASTM A216 WCB
4
Cover bolts Stainless steel ISO 3506 Gr. A2 70
4 x location pins
(APT14SHC only)
Stainless steel 304
5 Pump lever Stainless steel BS 1449 304 S15
6 Float Stainless steel BS 1449 304 S15
7 Trap lever Stainless steel BS 1449 304 S15
8 Trap 2nd stage valve Stainless steel ASTM A276 440 B
9 Trap housing Stainless steel BS 3146 ANC 2
10 Ball (APT14 only) Stainless steel ASTM A276 440 B
11 Seat (inlet check valve) Stainless steel AISI 420
12 Flap (inlet check valve) Stainless steel BS 3146 ANC 4B
13 Pump mechanism bracket Stainless steel BS 3146 ANC 4B
14 Spring (pump) Stainless steel BS 2056 302 S26 Gr. 2
15 Split pin Stainless steel BS 1574
16 Exhaust seat Stainless steel BS 970 431 S29 or ASTM A276 431
For parts 17 to 29, go to pages 16 and 17
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