設(shè)計、制造標(biāo)準(zhǔn)

1.設(shè)計制造按GB/T12237-89

2.法蘭連接尺寸按：JB/T79-94

3.閥門檢查和試驗按GB/T13927-92

Standard for design and manufacture

1.DesignManafacfure According to GB/T 12237-89

2.FlangeDimensionAccording tojB/T 79-94

3.valve Checkａnd Test Accordingto GB/T 13927-92

材料代號Materia

codel

零件名稱

hardwarea pellation

C

P

R

閥體Valve body

WCB

lCr18Ni9Ti

1Cr18Ni12M02Ti  

球體Sphere

2Cr13

lCr18Ni9Ti

1Cr18Ni12M02Ti  

閥桿Valw stem

2Cr13

lCr18Ni9Ti

1Cr18Ni12M02Ti  

密封seal

聚四氟乙烯Polytetrafluoroethylene

聚四氟乙烯Polytetrafluoroethylen

聚四氟乙烯Polytetrafluoroethylen

對位聚苯Para-polyphenyl

對位聚苯Para-polyphenyl

對位聚苯Para-polyphenyl

填料Packing

聚四氟乙烯Polytetrafluoroethylene

聚四氟乙烯Polytetrafluoroethylene

聚四氟乙烯Polytetrafluoroethylene

柔性石墨soft graphite

柔性石墨soft graphite

柔性石墨soft graphite

使用介質(zhì)Applicable medium

水、蒸汽、油品Water，steam．oil

硝酸類nitric acid kind

醋酸類acetic acid kind

適用溫度Applicable temperatura

選用（聚四氟乙烯）密封材料為≤150℃  

Applicable sealing material（e．g．polytetrafluoroethylene）equal to 150C or less

選用(對位聚苯}密封材料為≤300℃

Appllcable sealing material(e.g.para-potyphanyt) equal t0 300C orless

試驗壓力(MPa)

rest pressure

公稱壓力PN Noninal  pressure(MPa)

1.6

2.5

4.0

6.4

殼體強度試驗

Shell strength test

2.4

3.75

6.0

9.6

密封試驗（液）

Sealtest

1.76

2.75

4.4

7.04

密封試驗（氣）

Sealtest

0.6MPa

適用介質(zhì)

Applicable medium

C

水．油品．蒸汽

Water．Oil．Steam

P

硝酸類

Nitric Acid

R

醋酸類

Acetic Acid

適用溫度

Applicable temperature

F密封≤150℃  PPL密封≤425℃