Series safety valve materials
No. Part Name Valve Materials
C S R R1 V M H
1 Body WCB CF8 CF8M CF3M WC6.WC9 Model Hast.. C
2 Nozzle 304 316 316 316L 304 Model Hast.. C
3 Plug C.St 420 420 420 420 420 420
4 Nozzle Ring CF8 CF8M 316 316L CF8 Model Hast.. C
5 Ser Screw 416 304 304 316 304 316L 316L
6 Disc 304 316 316 316L 304 Model Hast.. C
7 Guide 304 304 316 316L 304 Model Hast.. C
8 Disc Holder 420 304 316 316L 420 Model Hast.. C
9 Spring Alloy St Alloy St Spread Teflon Alloy St Spread Teflon Alloy St Spread Teflon Alloy St. Alloy St Spread Teflon Alloy St Spread Teflon
10 Spring Washer C.St 420 420 420 C.St 420 420
11 Spindle 416 304 316 316 416 416 416
12 Bonnet WCB CF8 CF8M CF3M WC6 CF8M Hast.. C
13 Adjusting Bolt 420 416 416 416 420 420 420
14 Adj, Bolt Nut C.St 420 420 420 420 420 420
15 Cap C.St CF8 CF8M CF3M C.St CF8M Hast.. C
16 Nut Steel 304 304 304 Steel 304 304
17 Bolt Steel 304 304 304 Steel 304 304
18 Bellows 304 316 316 316L 316L 316L 316L
19 Gaskets Asbestos Teflon Teflon Teflon V1500 V1500 V1500
20 Lifting Level C.St C.St C.St C.St C.St C.St C.St
21 Rail C.St C.St C.St C.St C.St C.St C.St
22 Upgrade Nut C.St C.St C.St C.St C.St C.St C.St
Material Contrast
304 316 316L 416 420 CF8 CF8M CF3M 17-7PH
Ocr19Ni9 0Cr17Ni12Mo2 00Cr17Ni14Mo2 2Cr13 2Cr13 ZGO Cr19Ni9 ZGOCr1 9Ni12Mo2 ZG00 Cr17Ni14Mo2 0Cr17 Ni7AI

The technical data subject to amend without notice