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Trunnion Ball Valves

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Ball Valves-BF Series Trunnion

Features
Maximum working pressure up to 6000 psig (413 bar)
Working temperature from -65℉ to 450℉ (-54 ℃ to 232 ℃ )
2-way and 3-way pattern
Spring-loaded seats reduce seat wear from pressure surges
Field repairable with seal kits
Trunnion-style ball and low operating torque
Bottom-loaded stem prevents stem blowout
Panel mountable
316 stainless steel, brass and alloy body material
Variety of end connections
Color coded handles


Standard Materials of Construction

\
Item Component Valve Body Material
316 Stainless Steel Alloy 400
2-way 3-way 2-way 3-way
Material Grade/ASTM Specification
1 Handle Nylon or aluminium
2 Set Screw S17400 S.S.
3 Body 316 S.S./A479 316 S.S./A182 Alloy 400/B164
4 End Connector 316 S.S./A479 Alloy R-405/B164
5 Seat Retainer Guide Reinforced PTFE
6 Seat Retainer O-ring Fluorocarbon FKM
7 Seat Carrier Guide 316 S.S./A276 Alloy R-405/B164
8 End Connector Seal PTFE/D1710
9 Trunnion Bearing Fluorocarbon FKM PEEK Fluorocarbon FKM PEEK
10 Ball 316 S.S./A276 S21800/A276 Alloy R-405/B164
11 Seat Spring Alloy X-750/AMS 5542
12 Seat Retainer 316 S.S./A276 Alloy R-405/B164
13 Seat PTFE or PEEK or PCTFE
14 Stem 316 S.S./A276 Alloy R-405/B164
15 Stem Washer Reinforced PTFE PEEK Reinforced PTFE PEEK
16 Stem O-ring - Fluorocarbon FKM - Fluorocarbon FKM
17 Primary Stem Backup Ring PTFE/D1710
18 Pin Stainless Steel
19 Set Screw S17400 S.S.
20 Secondary Stem Backup Ring - PEEK - PEEK


Pressure vs. Temperature
Body Material 316 S.S. Alloy 400
Seat Material PEEK PCTFE PTFE PEEK PCTFE PTFE
Temperature, ℉ (℃) Working Pressure, psig (bar)
-65 (-54) to 100 (37)
200 (93)
250 (121)
300 (148)
350 (176)
400 (204)
450 (232)
6000 (413)
5000 (344)
4100 (282)
3200 (220)
2300 (158)
1400 (96.5)
500 (34.4)
6000 (413)
2000 (137)
1000 (68.9)
1500 (103)
750 (151)
625 (43.0)
500 (34.4)
375 (25.8)
250 (17.2)
125 (8.6
5000 (344)
4390 (302)
4100 (282)
3200 (220)
2300 (158)
1400 (96.5)
500 (34.4)
5000 (344)
2000 (137)
1000 (68.9)
1500 (103)
750 (151)
625 (43.0)
500 (34.4)
375 (25.8)
250 (17.2)
125 (8.6

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