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SERIES 81R2/F2 CLASS 300
Ends: Screwed, Socket, and Welding ends |
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Features |
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Internally mounted blow-out proof stem |
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Live loaded stem design meets stringent fugitive norms |
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Improved seat for long life and bubble tight shut off |
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Choice of seat material |
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Fire safe and antistatic design confirms to API 607 |
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Designed to handle the most severe services |
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Design standard ISO 17292 and ASME B16.34 |
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| RB : Reduced bore |
FB : Full bore |
| Dimensions are in mm and approximate weight in kg |
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SIZE
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A
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E |
WEIGHT |
| RB |
FB |
RB |
FB |
RB |
FB |
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50
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- |
130 |
- |
50 |
- |
6 |
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65
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150 |
170 |
50 |
65 |
10 |
12 |
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80
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170 |
200 |
58 |
76 |
14 |
16 |
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100
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200 |
229 |
76 |
102 |
30 |
35 |
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150
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275 |
315 |
98 |
152 |
52 |
60 |
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Materials of construction
| Body and tail piece |
WCB, WCC, LCB, LCC, CF8, CF8M, CF3, CF3M, CD4MCu, CN7M, CD3MN |
| CN3MN, CW6M, and N7M, Other materials on request. |
| Ball |
WCB with ENP, LCB with ENP, CA15, CF8, CF8M, CF3, CF3M, CD4MCu, CN7M |
| CD3MN, CN3MN, CW6M, and N7M. Other materials on request. |
| Stem and gland |
410, 304, 316, A20, 31803, Inconel, nickel alloys. |
| Seat |
PTFE, RPTFE, nylon, Delrin , PEEK, Devlon, metal |
| Stem washer |
RPTFE |
| Stem seal |
Grafoil, PTFE |
| Body seal |
Grafoil, spiral wound gasket with filler |
| Body stud |
B7, L7, B8, B8M |
| Body nut |
2H, 2HM, 8, 8M |
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