Bray 31U - Manual (Page 23)

Resilient Seated Butterfly Valves – Standard Metal Specifications
All information herein is proprietary and confidential and may not be copied or reproduced without the expressed written consent of BRAY INTERNATIONAL, Inc.
The technical data herein is for general information only. Product suitability should be based solely upon customer’s detailed knowledge and experience with their application.
Metal Specs : 23
Series 20/21 - Standard Metal Specifications
Part Material ASTM No. UNS No.
Body
Cast Iron A126 Class B
Ductile Iron A395 Gr. 60-40-18 F32800
316 Stainless Steel A351 CF8M J92900
Aluminum B26 Class B
Disc/Stem
1-12”(25-300mm) One Piece
316 Stainless Steel A351 CF8M J92900
Hastelloy ® C22 * B494 CX2MW N26022
17-4 ph Stainless Steel A747 CB7Cu1 Heat Treated J92180
Disc/Stem
14-20”
(350-500mm)
Fabricated
Disc
316 Stainless Steel A240 S31600
Hastelloy ® C276 * B575 N10276
17-4 ph Stainless Steel A564 630 Heat Treated S17400
Stem
316 Stainless Steel A276 S31600
Hastelloy ® C276 * B575 N10276
17-4 ph Stainless Steel A564 630 Heat Treated S17400
Series 22/23 - Standard Metal Specifications
Part Material ASTM No. UNS No.
Body
Ductile Iron A395 Gr. 60-40-18 F32800
316 Stainless Steel A351 CF8M J92900
Carbon Steel A216 WCB J030002
Disc
316 Stainless Steel A351 CF8M J92900
PTFE/316 SS (2”-12”) A351 CF8M J92900
PTFE/17-4 ph SS (14”-24”) A547 CB7Cu1 J92180
UHMWPE/316 SS (2”-6”) A351 CF8M J92900
UHMWPE/DI (8”-12”) A536 Gr 65-45-12 F33100
Hastelloy ® C22 * B494 CX2MW N26022
Titanium
Stem 17-4 ph Stainless Steel A564 630 Heat Treated S17400
* Hastelloy ® is a registered trademark of Haynes International, Inc.