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API 600 trim chart from Alloy Valve Stockist

 

API 600 Trim Number Chart

Trim Material Seat Disk Backseat Stem Notes
1 410 410 410 410 410  
2 304 304 304 304 304  
3 F310 310 310 310 310  
4 Hard 410 Hard 410 Hard 410 410 410 seats 750BHN Min.
5 Hardfaced Stellite Stellite 410 410  
5A Hardfaced Ni-Cr Ni-Cr 410 410  
6 410 and Cu-Ni Cu-Ni 410 410 410  
7 410 and Hard 410 Hard 410 Hard 410 410 410 seats 750BHN Min.
8 410 and Hardfaced Stellite 410 410 410  
8A 410 and Hardfaced Ni-Cr 410 410 410  
9 Monel Monel Monel Monel Monel  
10 316 316 316 316 316  
11 Monel and Hardfaced Stellite Monel Monel Monel  
12 316 and Hardfaced Stellite 316 316 316  
13 Alloy 20 Alloy 20 Alloy 20 Alloy 20 Alloy 20  
14 Alloy 20 and Hardfaced Stellite Alloy 20 Alloy 20 Alloy 20  
15 304 and Hardfaced Stellite Stellite 304 304  
16 316 and Hardfaced Stellite Stellite 316 316  
17 347 and Hardfaced Stellite Stellite 347 347  
18 Alloy 20 and Hardfaced Stellite Stellite Alloy 20 Alloy 20