常见气体钢瓶接头型号对照表 |
分子式 |
气体种类 |
国家标准 |
CGA接头 |
UHP CGA |
DIN |
JIS |
|
高纯气体 |
W21.8-14RHF |
180 |
350 |
|
|
C2H2 |
乙炔 |
轧兰 |
200/300/510 |
N/A |
N/A |
N/A |
Air |
空气 |
G5/8"-RHF |
346/590 |
N/A |
N/A |
N/A |
NH3 |
氨 |
G1/2"-RHF |
705 |
720 |
DIN6 |
22-R |
Ar |
氩 |
G5/8"-RHF |
580 |
718 |
DIN6 |
22-4O/23-R |
AsH3 |
砷化氢 |
N/A |
350 |
632 |
N/A |
22-l |
BCl3 |
三氯化硼 |
G3/4"-RHF/ W21.8-14RHF |
660 |
634 |
DIN8 |
N/A |
BF3 |
三氟化硼 |
G3/4"-RHF/ W21.8-14RHF |
330 |
642 |
DIN8 |
22-l |
C4H8 |
丁烷 |
M22*1.5-LHM |
510 |
N/A |
N/A |
N/A |
CO2 |
二氧化碳 |
G5/8"-RHF |
320 |
716 |
DIN6 |
N/A |
CO |
一氧化碳 |
W21.8-14LHF |
350 |
724 |
DIN5 |
22-l |
C3H6 |
环丙烷 |
M22*1.5-LHM |
510 |
N/A |
N/A |
N/A |
B2H6 |
乙硼烷 |
N/A |
350 |
632 |
N/A |
22-l |
CH3SHCl2 |
二氯甲硅烷 |
N/A |
678 |
636 |
DIN5 |
N/A |
(CH3CH2)2Zn |
二乙基锌 |
N/A |
510 |
726 |
N/A |
N/A |
C2H6 |
乙烷 |
M22*1.5-LHM |
350 |
N/A |
N/A |
N/A |
C2H5Cl |
氯乙烷 |
G3/4"-RHF |
510 |
N/A |
N/A |
N/A |
C2H4 |
乙烯 |
M22*1.5-LHM |
350 |
N/A |
N/A |
N/A |
CH2CH2O |
环氧乙烷 |
G5/8"-RHF/ G3/4"-RHF |
510 |
N/A |
N/A |
N/A |
GeH4 |
锗烷 |
N/A |
350或660 |
632 |
N/A |
N/A |
|
R11(R116) |
G3/4"-RHF |
660 |
716 |
N/A |
N/A |
|
R12
(R13、R23 R115) |
G3/4"-RHF |
660 |
716 |
DIN6 |
N/A |
|
R14 |
G3/4"-RHF |
320/580 |
716 |
DIN6 |
N/A |
He |
氦气 |
G5/8"-RHF |
580 |
718 |
DIN6 |
22-R/23-R |
H2 |
氢气 |
W21.8-14LHF |
350 |
634 |
DIN1 |
22-L |
HCl |
氯化氢 |
G3/4"-RHF |
330 |
634 |
DIN8 |
26-R |
HF |
氟化氢 |
G3/4"-RHF/ W21.8-14RHF |
660/670 |
638 |
N/A |
26-R |
H2S |
硫化氢 |
G3/4"-RHF/ W21.8-14RHF |
330 |
722 |
N/A |
N/A |
I-C4H8 |
异丁烷 |
M22*1.5-LHM |
510 |
|
|
|
Kr |
氩 |
G5/8"-RHF |
580 |
718 |
DIN6 |
22-R/23-R |
CH4 |
甲烷 |
W21.8-14LHF |
350 |
N/A |
N/A |
N/A |
CH3Cl |
氯甲烷 |
G3/4"-RHF/ W21.8-14RHF |
660 |
N/A |
N/A |
N/A |
|
天然气 |
W21.8-14LHF/ M22*1.5-LHM |
350 |
N/A |
N/A |
N/A |
Ne |
氖气 |
G5/8"-RHF |
580 |
718 |
DIN6 |
22-R/23-R |
NO |
一氧化氮 |
G3/4"-RHF/ W21.8-14RHF |
660 |
N/A |
N/A |
N/A |
N2 |
氮气 |
G5/8"-RHF |
580 |
718 |
DIN10 |
22-R/23-R |
NCl3 |
三氯化氮 |
G3/4"-RHF/ W21.8-14RHF |
330/660 |
640 |
DIN8 |
N/A |
N2O |
笑气 |
G5/8"-RHF |
326/660 |
712 |
DIN8 |
N/A |
O2 |
氧气 |
G5/8"-RHF |
540 |
714 |
DIN9 |
22-R/23-R |
PH3 |
磷化氢 |
W21.8-14LHF |
350 |
632 |
DIN1 |
N/A |
C3H8 |
丙烷 |
M22*1.5-LHM |
510 |
N/A |
N/A |
N/A |
SiH4 |
硅甲烷 |
G3/4"-RHF/ W21.8-14RHF |
350 |
632 |
N/A |
N/A |
SiCl4 |
四氯化硅 |
G3/4"-RHF/ W21.8-14RHF |
330 |
636 |
N/A |
N/A |
SiF4 |
四氟化硅 |
G3/4"-RHF/ W21.8-14RHF |
330 |
642 |
N/A |
22-L |
SF6 |
六氟化硫 |
G5/8"-RHF |
590 |
716 |
DIN6 |
26-R |
WF6 |
六氟化钨 |
N/A |
670 |
638 |
DIN8 |
N/A |
Xe |
氙气 |
G5/8"-RHF |
580 |
718 |
DIN8 |
22-R |
备注:
1、40L/10L不锈钢瓶阀标准为G3/4''-RHF
2、10L以下标准气体钢瓶阀标准为E21.8-14RHF
3、N/A为资料未知
4、市场上流通的瓶阀选用未必根据标准而定,乙烷钢瓶阀为:M22*1.5-LHM(是公制细牙螺纹,螺纹角60°,外径22mm,螺纹1.5mm,左旋螺纹),而实际流通的国产乙烷瓶阀多采用QF-30A(氢气阀):W21.8-14LHF(惠氏螺纹,螺纹角55°,外径21.8mm,14牙,左旋螺纹);
附:
W21.8-14 |
惠氏螺纹,外径21.8mm,螺距1/14,螺纹角55° |
M22*1.5 |
公制细牙螺纹,螺纹角60°,外径22mm,螺距1.5mm |
G1/2" |
英制非密封管螺纹,最大直径20.955mm,14牙,螺纹角55°, |
G5/8" |
英制非密封管螺纹,最大直径22.911mm,14牙。螺纹角55°, |
G3/4" |
英制非密封管螺纹,最大直径26.441mm,14牙,螺纹角55°, |
RHF |
右旋螺纹 |
LHM |
左旋螺纹 |
|