Reference Gauge
Thread Pipe Gauge เทรดปลั๊กเกจ เกลียวท่อแบบตรง
SPH/SRH Series
■ Notation Example Pipe Thread Plug gauge (JIS method) PF3/4 - 14 GPIP A
Pipe Thread Ring gauge (JIS method) PF3/4 - 14 GR A • B
Class (Common) Go Plug
Go Plug Inspection Plug
Type of thread
No of thread
Class
Type of thread
No of thread
※ GP can be used for both A and B classes
PF3/4 - 14
IR
A
PF3/4 - 14 GPWP A
Type of thread
No of thread
Inspection Plug
Class
Go Plug Work Plug
Type of thread
Class
No of thread
※ GP can be used for both A and B classes
PF3/4 - 14
WR
A
Type of thread
No of thread
Work Ring
Class
Pipe Thread Plug gauge (ISO method) G3/4 - 14 GPNP
Pipe Thread Ring gauge (ISO method)
G3/4 - 14
GR
A • B
Type of thread
No of thread
Type of thread
Go Plug Inspection Plug
No of thread
Go Ring
Class (Common)
G3/4 - 14
NR
A
Type of thread
No of thread
No Go Ring
Class
No of thread (thread / inch)
No of thread (thread / inch)
Type of gauge
class
Type of gauge
class
Type of thread
Type of thread
28 19 19 14 14 28 19 19 14 14
28 19 19 14 14 28 19 19 14 14
PF1/8 PF1/4 PF3/8 PF1/2 PF3/4
G1/8 G1/4 G3/8 G1/2 G3/4
GPIP (for inspection) GPWP (for work)
A B
-
GPNP
No of thread (thread / inch)
No of thread (thread / inch)
Type of gauge
class
Type of gauge
class
Type of thread
Type of thread
PF1/8 PF1/4 PF3/8 PF1/2 PF3/4
G1/8 G1/4 G3/8 G1/2 G3/4
GR IR WR
A B
A B
GR/NR
SPT/SRT Series ■ Notation Example Taper Pipe Thread Plug gauge (JIS method)
Taper Pipe Thread Plug gauge (ISO method)
PT3/4
- 14
P
Rc1/2
- 14
No of thread
Type of thread
No of thread
Gauge Type : Plug or no indication
Gauge Type : no indication ※ Plug
Type of thread
Taper Pipe Thread Ring gauge (JIS method)
Taper Pipe Thread Ring gauge (ISO method)
PT3/4
- 14
R
R 1/2
- 14
No of thread
No of thread
Type of thread
Gauge Type : Ring or no indication
Gauge Type : no indication ※ Ring
Type of thread
JSR Entech Catalogue 260
jet@jet.co.th
jetco@jet.co.th
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