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型號(hào) Type
零件名稱
Accesory name
材 質(zhì) Materials
Q21F-64/C/P/R 內(nèi)螺紋
Q21F-64/C/P/R 法蘭
Q21F-64/C/P/R 焊接三段式( 對(duì)焊 , 承插焊 )
閥體 Body
WCB、45
CF8、304
CF8M、316
閥座 Seat
球 Ball
1Cr18Ni9Ti
0Cr18Ni9Ti
0Cr17Ni12Mo2
增強(qiáng)聚四氟乙烯、對(duì)位聚苯 RPTFE Counterpoint polyphenyl
閥桿 Stem
2Cr13
止推墊圈 Pressure disk
聚四氟乙烯 復(fù)合墊 PTFE Combined gasket
閥桿填料 Stem stuffing
V型聚四氟乙烯、石墨 V- shaped PTFE Graphite
螺栓 Bolt
35
304
六角螺母 Hex nut
彈簧墊圈 Spring washer
中碳 Clamp nut
壓緊螺母 Spring washer
彈簧墊圈 Medium carbon
螺母 Nut
手柄 Wrench
手柄套 Wrench cover
塑 料 Plastics
鎖緊裝置 Lock instrument
適用工況 Applicable Operating Mode
適用介質(zhì) Applicable medium
水、蒸汽、油品等Water,vapor,and oil products,etc.
硝酸等腐蝕性介質(zhì) Corrosion medium such as Nitric acid.
醋酸等腐蝕性介質(zhì) Corrosion medium such as Acetic acid.
適用溫度 Applicable temperature
-28~350℃
應(yīng)用規(guī)范 Applicable specification
管螺紋標(biāo)準(zhǔn) Pipe screw standard
DIN259/2999 GB7307-87 NPT BSPT
法蘭標(biāo)準(zhǔn) Flanged standard
JB79-59、SH3406、GB9113、HG20592-97
螺紋標(biāo)準(zhǔn) Screw standard
GB196
主要外型及連接尺寸表Form of Main Types and Connecting Dimension
公稱通徑DN(mm)
G
D
d
d2
L
L1
H
W
Q11F
Q41F
Q21F
6
1 /4
30
8
-
60
85
15
56
110
1O
3/8
31
10
16
58
11O
1 /2
32
18
92
20
3 /4
38
13.5
12.5
135
67.3
106
90
62
65
25
1
45
17
24
73
109
100
68
70
11/4
53 4
22
126
120
75
150
145
40
11/2
63
26
97.5
136
83
50
2
71
32.8
46
112
154
140
98
177
21/2
170
95
180
190
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