1 |
Body |
Up to 800℉ |
A216 Gr. WCB Carbon Steel |
801℉ to 1000℉ |
A217 Gr. WC6 Chrome Moly Steel |
2 |
BONNET |
Up to 800℉ |
A216 Gr. WCB Carbon Steel |
801℉ to 1000℉ |
A217 Gr. WC6 Chrome Moly Steel |
3 |
CAP |
Carbon Steel |
4 |
UPPER STEM |
304 SS |
5 |
LOWER STEM(1) |
316 SS |
6 |
STEM JOINT |
316 SS |
7 |
NOZZLE |
316 SS + Hard facing |
8 |
DISC(1) |
316 SS |
9 |
DISC HOLDER(1) |
316 SS |
10 |
GUIDE |
Brass |
11 |
STEM GUIDE |
316 SS |
12 |
GUIDE RING |
316 SS |
13 |
NOZZLE RING |
316 SS |
14 |
UPPER SET SCREW |
304 SS |
15 |
LOWER SET SCREW |
304 SS |
16 |
SPRING SEAT |
Carbon Steel |
17 |
SPRING |
Up to 450℉ |
Carbon Steel(2) / Stainless Steel |
451F to 1000℉ |
Alloy Steel(3) |
18 |
ADJUSTING SCREW |
316 SS |
19 |
LOCK NUT |
304 SS |
20 |
BALL |
440C SS |
21 |
DISC PIN |
304 SS |
22 |
STUD BOLT |
A193 Gr. B7 |
23 |
NUT |
A194 Gr. 2H |
24 |
CAP GASKET |
Soft Iron |
25 |
UPPER SET SCREW GASKET |
Soft Iron |
26 |
LOWER SET SCREW GASKET |
Soft Iron |
27 |
BODY GASKET |
Soft Iron |
28 |
DRAIN PLUG |
Steel |