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in formulas Formulas or Reference
Value
Units Result value
1实际厚度Fact thickness
ＳＢ
设计给定give in design
7.5mm 2计算压力calculated pressure p PN设计给定PN give in design 2Mpa 3计算内径calculated ID
Dn 设计给定give in design
176mm 4许用拉应力allowable stress 〔σL〕查表3-3 ASTM A216 WCB material(see table 3-3)120.69
Mpa 5
腐蚀余量corrision allowance
C 设计给定give in design
2.5
mm 6计算厚度calculated thickness SB'
pDn
2.3〔σL〕-p +C
mm
3.7772747结论Conclusion
Body material:WCB NPS:6"
Norminal pressure:150Lbs
Body design check Temp:Normal temp Applicable cable temp:-29 ℃～425℃
注:SB≥SB',为合格
SB≥SB′
6"J41H-150Lbs Checking computationg for body sealing surface total effect force and calculated pressure(600Lbs,butt welding hard alloy on seaing surface (WCB)
注:q MF≤q≤〔q〕,为合格
Stem material:410
NPS:6"
Norminal pressure:150Lbs
Body design check Temp:Normal temp Applicable cable temp:-29 ℃～425℃
Bonnet material:WCB
NPS:6"
Norminal pressure:150Lbs
Body design check Temp:Normal temp Applicable cable temp:-29 ℃～425℃
p1014表5-68
P601表3-5中25#
0.35 0.591608
P1028表5-87
0.35
0.591608
-0.98999