材料: 黃銅鍍鎳、不銹鋼，密封件為改性橡膠
溫度范圍: -40℃到100℃，短時(shí)間可以達(dá)到120℃
防爆標(biāo)志：Exd II
應(yīng)用場(chǎng)合:對(duì)于防爆堵頭的做工來(lái)說(shuō)，有相應(yīng)的要求，螺紋需要深刻清晰，表面光澤，整體光亮，對(duì)密封性能才有保障。
防爆堵頭的結(jié)構(gòu)有六角外絲螺紋、六角內(nèi)絲螺紋，適應(yīng)于不同設(shè)備引入裝置的內(nèi)螺紋或者外螺紋連接。
防爆堵頭的螺紋制式有G螺紋、M螺紋、NPT螺紋三大常規(guī)，也可以根據(jù)客戶要求定制生產(chǎn).
|
外螺紋公制
|
總 長(zhǎng)度
|
外螺紋長(zhǎng)度
|
扳手尺寸
|
外螺紋 PG制
|
總長(zhǎng)度
|
外螺紋長(zhǎng)度
|
扳手尺寸
|
|
EX-M10X1.0
|
15
|
12
|
14
|
EX-PG7
|
15
|
12
|
14
|
|
EX-M12X1.5
|
18
|
15
|
15
|
EX-PG9
|
15
|
12
|
17
|
|
EX- M16X1.5
|
18
|
15
|
18
|
EX-PG11
|
15.5
|
12
|
21
|
|
EX-M18X1.5
|
18
|
15
|
20
|
EX-PG13.5
|
15.5
|
12
|
23
|
|
EX-M20X1.5
|
18
|
15
|
22
|
EX-PG16
|
15.5
|
12
|
26
|
|
EX-M22X1.5
|
19
|
16
|
24
|
EX-PG21
|
17
|
13
|
32
|
|
EX-M24X1.5
|
19
|
16
|
27
|
EX-PG29
|
17.5
|
13
|
40
|
|
EX-M25X1.5
|
19
|
16
|
28
|
EX-PG36
|
18.5
|
13
|
50
|
|
EX-M27X2.0
|
23
|
20
|
30
|
EX-PG42
|
20
|
15
|
58
|
|
EX-M30X2.0
|
23
|
20
|
34
|
EX-PG48
|
21
|
15
|
65
|
|
EX- M32X1.5
|
24
|
20
|
36
|
|
|
|
|
|
EX- M33X2.0
|
24
|
20
|
36
|
|
|
|
|
|
EX-M36X2.0
|
24
|
20
|
40
|
|
|
|
|
|
EX-M40X1.5
|
26
|
20
|
45
|
|
|
|
|
|
EX-M48X2.0
|
27
|
21
|
52
|
|
|
|
|
|
EX-M50X1.5
|
28
|
21
|
55
|
|
|
|
|
|
EX-M56X2.0
|
28
|
21
|
60
|
|
|
|
|
|
EX-M63X1.5
|
28
|
21
|
70
|
|
|
|
|
|
EX- M64X2.0
|
28
|
21
|
70
|
|
|
|
|
|
外螺紋G牙
|
總長(zhǎng)度
|
外螺紋長(zhǎng)度
|
扳手尺寸
|
外螺紋NPT牙
|
總長(zhǎng)度
|
外螺紋長(zhǎng)度
|
扳手尺寸
|
|
EX-G3/8
|
15.5
|
12
|
20
|
EX-NPT3/8
|
15.5
|
12
|
20
|
|
EX-G1/2
|
18.5
|
15
|
24
|
EX-NPT1/2
|
18.5
|
15
|
23
|
|
EX-G3/4
|
18.5
|
15
|
30
|
EX-NPT3/4
|
19
|
15
|
30
|
|
EX-G1**
|
25
|
21
|
40
|
EX-NPT1**
|
24
|
20
|
36
|
|
EX-G1 1/4
|
25.5
|
21
|
50
|
EX-NPT1 1/4
|
24.5
|
20
|
50
|
|
EX-G1 1/2
|
26
|
21
|
52
|
EX-NPT1 1/2
|
25
|
20
|
52
|
|
EX-G2**
|
27.5
|
22
|
65
|
EX-NPT2**
|
25.5
|
20
|
65
|
|
EX-G2 1/2
|
28.5
|
22
|
80
|
EX-NPT2 1/2
|
34
|
27
|
80
|