Specifications
Control Valves - SMARTLINK
®
MRV
www.maxoncorp.com
combustion systems for industry
Maxon reserves the right to alter specifications and data without prior notice.
© 2014 Copyright Maxon Corporation. All rights reserved.
10-30.7-11
E-i -3/14
50120624-001/
Valve Body Assembly Specifications
1” through 4” Butterfly Valves
Body Materials
Item No. Description
Material Code
1 2 3 5
1 Valve Body
Cast Iron
ASTM A159 Gr. 3000
Carbon Steel
ASTM A216 Gr. WCB
Brass
ASTM B62
UNS No. C83600
Stainless Steel
ASTM A351 Gr. CF8M
Body Seals
Item No. Description Material
7O-Ring
Standard material options are
Buna-N and Viton
8O-Ring
9O-Ring
Trim Package Materials
Item No. Description
Internal Trim Package
1 2
2 Valve Stem 303 Stainless Steel, ASTM A157 Gr. G3000
3 Butterfly Disc 304 Stainless Steel (1.4301), ASTM A240 Type 304 UNS No. S30400
4 Top Bushing
Bronze
ASTM B271, B505 and B584
UNS No. C93200
PEEK5 Bottom Bushing
6 Top Shim Bushing
10 Screw 18-8 Stainless Steel
11 Washer 304 Stainless Steel (1.4301)
12 Retaining Ring 316 Stainless Steel
4
8
9
2
6
1
12
10
11
3
5
7
8
7
8










