OSAJ  Female thread size(M1) Female thread size(M1)                    
METRICNPT/PF
M16M20M25M32M40M50M63M75M90M1003/8"1/2"3/4"1"1-1/4"1-1/2"2"2-1/2"3"3-1/2"4"
M16 0001 0203000001 002003
M2011121314101102103104
M2522 232425202203204205
M3233343536303304305306
M4044454647404405406407
M50 55565758 504505506507508
M6366676869605606607608609
Male thread size(M)MetricM75777879706707708709710
M908889807808809810
M10099908909910
3/8"00000100200300000001000200030004
1/2"0110120130140101010201030104
3/4"0220230240250202020302040205
1''0330340350360303030403050306
1-1/4"0440450460470404040504060407
NPT/PF1-1/2"0550560570580505050605070508
2"0660670680690606060706080609
2-1/2"0770780790707070807090710
3" 088089080808090810
3-1/2"09909090910
4"1091010
Design SpecificationBS 6121, IEC 62444, EN 50262
Compliance StandardIEC/EN 60079-0, 1, 7, 31
ATEX CertificationPresafe 16 ATEX 7985X
IECEx CertificationIECEx PRE 15.0019X
Code of ProtectionII2G Ex db IIC Gb, Ex eb IIC Gb, II2D Ex tb IIIC Db
Operating Temperature
-60℃~110℃
RegulationZone 1,2 & 21,22, Gas Group IIA, IIB, IIC, Dust Group IIIA, IIIB, IIIC
Ingress ProtectionIP 66 / 67
IP 68 available when requested only
Gland MaterialNickel plated brass(standard), Brass(only), Stainless steel(316L)
Gasket (washer)Nylon(Standard), PTFE-Teflon(Option)
Accessories (optional)Lock nut, Sealing washer