設計、制造標準Standard for design and manufacture1.設計制造按GB/T12237-892.法蘭連接尺寸按：JB/T79-941.DesignManafacfure According to GB/T 12237-892.FlangeDimensionAccording tojB/T 79-94

詳細介紹

標準規(guī)范 applicable standards:

設計與制造：

GB/T 12237/1989

Design:

GB/T 12237/1989

防火測試：

API 607 4strong993

Fire Safe:

API 607 4strong993

結構長度：

GB/T12221/1989

Face to Face:

GB/T12221/1989

鏈接法蘭：

GB 9113.1

End Flange:

GB 9113.1

檢測與試驗：

GB/T13927/1992

Inspection &Testing:

GB/T13927/1992

設計、制造標準

1.設計制造按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

主要零件材料Material of Main Parts

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
密封seal	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
填料Packing	柔性石墨soft graphite	柔性石墨soft graphite	柔性石墨soft graphite
使用介質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
適用溫度Applicable temperatura	選用(對位聚苯}密封材料為≤300℃ Appllcable sealing material(e.g.para-potyphanyt) equal t0 300C orless

主要性能規(guī)范Main property and Specification

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 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℃