Center Line® Resilient Seated Butterfly Valves

 

Materials of Construction


Center Line Resilient Seated Butterfly Valves
Series 200
Series 225-250

Series 200

centerline-rsbv-series-200-materials
Bill of Materials 2" - 30"
Item Description Materials Optional Materials
1 Body Ductile Iron (A536 65-45-12) Ductile Iron (A536 65-45-12), (A395 60-40-18)
2 Disc Ductile Iron* (A536 65-45-12) Aluminum Bronze (B148-C954), 316 SS (A351-CF8M) Monel® (A494-M30C)
3 Seat Buna-N or EPDM Neoprene, Viton®, PTFE, FDA, Abrasion Resistant
4 Shaft 416 Stainless Steel (A582-416) 316 Stainless Steel (A276/A479-316),
Monel® (B164-K400 CL-B), 17-4PH (A564-630/1150)
5 Taper Pins 416 Stainless Steel (A582-416) 316 Stainless Steel (A276/A479-316),
Monel® (B164-K400 CL-B), 17-4PH (A564-630/1150)
6 Key Carbon Steel No Option Available
7 O-Ring Buna-N No Option Available
8 Bushing PTFE Luberized Bronze
9 Bushing PTFE Luberized Bronze
10 Bushing PTFE Luberized Bronze


*ENP Plated for 2"-12" valves


Bill of Materials 28" - 48"
Item Description Materials Optional Materials
1 Body Ductile Iron (A536 65-45-12) Ductile Iron (A395 60-40-18)
2 Disc Ductile Iron (A536 65-45-12) Aluminum Bronze (B148-C954), 316 SS (A351-CF8M)
3 Upper Shaft 416 Stainless Steel (A582-416) 316 SS (std. w/ 316 SS disc) (A276/A479-316)
4 Lower Shaft 416 Stainless Steel (A582-416) 316 SS (std. w/ 316 SS disc) (A276/A479-316)
5 Seat Buna-N or EPDM Viton®
6 Taper Pin 416 Stainless Steel (A582-416) 316 Stainless Steel (A276/A479-316)
7 O-Ring Buna-N No Option Available
8 Key Carbon Steel No Option Available
9 Bushing TFE Luberized Bronze
10 Bushing TFE Luberized Bronze
11 Thrust Washer TFE Luberized Bronze
12 End Plate Ductile No Option Available
13 O-Ring Buna-N No Option Available


Monel® is a registered trademark of Special Metals Corporation.


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Series 225-250

centerline-rsbv-series-225-250-materials
Bill of Materials (Series 225)
Item Description Materials Optional Materials
1 Body Ductile Iron (A536 65-45-12) Ductile Iron (A395 60-40-18)
2 Disc Ductile Iron* (A536 65-45-12) Aluminum Bronze (B148-C954), 316 SS (A351-CF8M) Monel® (A494-M30C)
3 Seat Buna-N or EPDM Neoprene, Abrasive Resistant Buna-N,
Viton®, High Temperature Viton®
4 Shaft 416 Stainless Steel (A582-416) 2"-12": 17-4 PH (A564-630/1150), Monel® (B865-K500 CL-A)
5 Taper Pin 416 Stainless Steel (A582-416) 17-4 PH (A564-630/1150), Monel® (B865-K500 CL-A)
6 Key Carbon Steel No Option Available
7 O-Ring Buna-N No Option Available
8 Bushing PTFE No Option Available
9 Bushing PTFE No Option Available
10 Bushing PTFE No Option Available


*ENP plated for 2" - 12" valves

Bill of Materials (Series 250)
Item Description Materials Optional Materials
1 Body Carbon Steel (A216 GR.WCB) 316SS (A351 GR.CF3M)
Carbon Steel (A-216 GR.WCB Impact Tested)*
2 Disc 316 Stainless (A351-CF8M) Aluminum Bronze (B148-C954), Monel® (A494-M30C)
3 Seat Buna-N or EPDM Neoprene, Abrasive Resistant Buna-N,
Viton®, High Temperature Viton®, PTFE
4 Shaft 316 SS (A276/A479-316) 17-4 PH (A564-630/1150), Monel® (B865-K500 CL-A)
5 Taper Pin 316 SS (A276/A479-316) 17-4 PH (A564-630/1150), Monel® (B865-K500 CL-A)
6 Key Carbon Steel No Option Available
7 O-Ring Buna-N No Option Available
8, 9, 10 Bushing PTFE No Option Available


*Center Line Series 250 Carbon Steel valves with CE marking are good to 0°F for non-impact tested bodies and -20°F for impact tested carbon steel bodies.


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