H72型對(duì)夾升降式止回閥
對(duì)夾升降式止回閥的型號(hào)、材料及主要參數(shù)
配管法蘭 | 公稱壓力 | 常規(guī)產(chǎn)品型號(hào) | ||||||
JB/T74~90、 GB/T9112~9124 HG20592~20614 | PN1.0MPa | H72H-10C | H72H-10P | H72H-10P8 | H72H-10P3 | H72H-10R | H72H-10R8 | H72H-10R3 |
PN1.6MPa | H72H-16C | H72H-16P | H72H-16P8 | H72H-16P3 | H72H-16R | H72H-16R8 | H72H-16R3 | |
PN2.5MPa | H72H-25 | H72H-25P | H72H-25P8 | H72H-25P3 | H72H-25R | H72H-25R8 | H72H-25R3 | |
PN4.0MPa | H72H-40 | H72H-40P | H72H-40P8 | H72H-40P3 | H72H-40R | H72H-40R8 | H72H-40R3 | |
PN6.3MPa | H72H-63 | H72H-63P | H72H-63P8 | H72H-63P3 | H72H-63R | H72H-63R8 | H72H-63R3 | |
PN10.0MPa | H72H-100 | H72H-100P | H72H-100P8 | H72H-100P3 | H72H-100R | H72H-100R8 | H72H-100R3 | |
PN16.0MPa | H72H-160 | H72H-160P | H72H-160P8 | H72H-160P3 | H72H-160R | H72H-160R8 | H72H-160R3 | |
GB/T9112~96124、 HG20615~20635、 SH3406 | PN2.0MPa | H72H-20C | - | H72H-20P8 | H72H-20P3 | - | H72H-20R8 | H72H-20R3 |
PN5.0MPa | H72H-50 | - | H72H-50P8 | H72H-50P3 | - | H72H-50R8 | H72H-50R3 | |
PN11.0MPa | H72H-110 | - | H72H-110P8 | H72H-110P3 | - | H72H-110R8 | H72H-110R3 | |
PN15.0MPa | H72H-150 | - | H72H-150P8 | H72H-150P3 | - | H72H-150R8 | H72H-150R3 | |
ANSI B16.5 | Class 150 | H72H-A1C | - | H72H-A1P8 | H72H-A1P3 | - | H72H-A1R8 | H72H-A1R3 |
Class 300 | H72H-A3 | - | H72H-A3P8 | H72H-A3P3 | - | H72H-A3R8 | H72H-A3R3 | |
Class 600 | H72H-A6 | - | H72H-A6P8 | H72H-A6P3 | - | H72H-A6R8 | H72H-A6R3 | |
Class 900 | H72H-A9 | - | H72H-A9P8 | H72H-A9P3 | - | H72H-A9R8 | H72H-A9R3 | |
主要零件材料 | 閥體 | WCB(A105) | ZG1Cr18Ni9Ti | CF8(304) | CF3(304L) | ZG1Cr18Ni12Mo2Ti | ZG1Cr18Ni12Mo2Ti | CF3M(316L) |
閥瓣 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 | 00Cr18Ni10 | 1Cr18NiMo2Ti | 1Cr18NiMo2Ti | 00Cr17Ni14Mo2 | |
壓圖 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 | 00Cr18Ni10 | 1Cr18Ni12Mo2Ti | 1Cr18Ni12Mo2Ti | 00Cr17Ni14Mo2 | |
彈簧 | 0Cr18Ni9 | 0Cr18NiP | 0Cr18Ni9 | 00Cr18Ni10 | 0Cr18Ni12Mo2Ti | 0Cr18Ni12Mo2Ti | 00Cr17Ni14Mo2 | |
適用工況 | 適用介質(zhì) | 水、蒸汽、油品等 | 硝酸等腐蝕性介質(zhì) | 強(qiáng)氧化性介質(zhì) | 醋酸等腐蝕性介質(zhì) | 尿素等腐蝕性介質(zhì) | ||
適用溫度 | -29~425 | -196~540 | -196~425 | -196~540 | -196~455 | |||
注:本表為常規(guī)對(duì)夾式止回閥的型號(hào)編制、主要零件材料及適用工況,其他要求及其型號(hào)編制參見(jiàn)對(duì)夾式止回閥型號(hào)編制方式。 |