外螺紋焊接針型閥形與壓力表配合使用是最合適的了.一般的針型閥形都做成螺紋連線. 針型閥的閥芯就是一個很尖的圓錐體,好象針一樣插入閥座,。
外螺紋針型閥主要零件材料:
零件名稱 Part name | 閥桿,閥蓋 Stem,Bonnet | 閥桿,閥瓣 Stem,disc | 填料 Packing |
J21 3W-16P | 鉻鎳不鏽鋼 Cr. Ni Stainless steel | 鉻鎳不鏽鋼 Cr. Ni Stainless steel | 聚四氟乙稀,柔性石墨 PTFE,Soft graphite |
J21 3W-160、J2W1 3-40 | 優質碳鋼 High grade carbon steel | 鉻不鏽鋼 Cr. Stainless steel |
零件名稱
Part name
Part name
閥桿,閥蓋
Stem,Bonnet
Stem,Bonnet
閥桿,閥瓣
Stem,disc
Stem,disc
填料
Packing
Packing
J21 3W-16P
鉻鎳不鏽鋼
Cr. Ni Stainless steel
Cr. Ni Stainless steel
鉻鎳不鏽鋼
Cr. Ni Stainless steel
Cr. Ni Stainless steel
聚四氟乙稀,柔性石墨 PTFE,Soft graphite
J21 3W-160、J2W1 3-40
優質碳鋼
High grade carbon steel
High grade carbon steel
鉻不鏽鋼
Cr. Stainless steel
Cr. Stainless steel
外螺紋針型閥主要性能規範:
型號 Type | 公稱壓力PN Mpa | 試驗壓力PS(Mpa)_Test pressure | 工作壓力(Mpa) Working pressure | 工作溫度(OC) Working temps. | 適用介質Applicable medium | ||
殼體 Shell | 密封(液)Seal | 密封(氣)Seal | |||||
J13W-16 | 1.6 | 2.4 | 1.76 | 0.6 | 1.6 | P≤540OC | 液化石油氣水,酸,蒸汽,油品等 Petroleum gas Water,As,Steam,Oil,etc. |
J13W-40P | 4.0 | 6.0 | 4.4 | 0.6 | 4.0 | ||
J13W-160 | 16.0 | 24.0 | 17.6 | 0.6 | 16.0 | C≤425 OC | |
J13W-320P | 32.0 | 48.0 | 35.2 | 0.6 | 32.0 | ||
J13W-420P | 42.0 | 63.0 | 46.2 | 0.6 | 42.0 |
型號
Type
Type
公稱壓力PN Mpa
試驗壓力PS(Mpa)_Test pressure
工作壓力(Mpa) Working pressure
工作溫度(OC) Working temps.
適用介質Applicable medium
殼體 Shell
密封(液)Seal
密封(氣)Seal
J13W-16
1.6
2.4
1.76
0.6
1.6
P≤540OC
J13W-40P
4.0
6.0
4.4
0.6
4.0
J13W-160
16.0
24.0
17.6
0.6
16.0
C≤425 OC
J13W-320P
32.0
48.0
35.2
0.6
32.0
J13W-420P
42.0
63.0
46.2
0.6
42.0
外螺紋針型閥主要外形及連線尺寸:
公稱直徑DN(mm) | 尺寸 Dimension | 重量(kg)Weight | ||||||
Do | D1 | D2 | L | H1 | H2 | M | ||
6 | 65 | 14 | 6 | 140 | 96 | 106 | 20×1.5 | 0.9 |
10 | 80 | 18 | 10 | 160 | 115 | 125 | 24×1.5 | 1.18 |
15 | 100 | 22 | 15 | 180 | 122 | 132 | 30×2 | 2.0 |
20 | 110 | 28 | 18 | 220 | 156 | 166 | 30×2 | 3.5 |
25 | 140 | 33 | 22 | 230 | 169 | 180 | 39×2 | 4.3 |
公稱直徑DN(mm)
尺寸 Dimension
重量(kg)Weight
Do
D1
D2
L
H1
H2
M
6
65
14
6
140
96
106
20×1.5
0.9
10
80
18
10
160
115
125
24×1.5
1.18
15
100
22
15
180
122
132
30×2
2.0
20
110
28
18
220
156
166
30×2
3.5
25
140
33
22
230
169
180
39×2
4.3