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N7
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
4300 Catalog
Diagnostic, Orifice, Bleed Adapters,
Screen and Specialty Fittings
Dimensions and pressures for reference only, subject to change.
NPT and SAE-ORB Diagnostic
Pressure Gauge Adapters
Parker’s NPT and SAE-ORB direct-connect pressure gauge
adapters are available in the most common North American
tube/hose connections — ORFS and 37° Flare (JIC). North
American pressure gauge manufacturers offer gauges primar-
ily with NPT and some with SAE-ORB port stud options. These
37° flare and ORFS connectors are designed to attach pressure
gauges to hose swivel ends or directly to run / branch tees for
in-line diagnostic applications as shown on the right.
GLO GTX
G6L
R5OLO-S
Run Tee
NPT / SAE Pressure Gauge Adapters
GLO
(Type A)
G6L
(Type B)
G5L
(Type C)
G65L
(Type D)
GTX
(Type E)
G6X
(Type F)
Hydraulic Hose
Fig. N5 —Typical applications for NPT pressure gauge adapters.
Illustrations show direct hose connections and Run Tee
connection.
Traditional or
electronic / digital
pressure gauge
TUBE
FITTING
PART # TYPE
END SIZE
FF
(in.)
H
BODY
HEX
(in.)
S
SWIVEL
NUT
HEX
(in.)
STANDARD
Pressure
(x 1,000 PSI)
1
(in.)
2
NPT
Static Dynamic
-S
-S
4-4 GLO
A 1/4 1/4-18 1.25 3/4
— 9.5
6.0
6 GLO
A 3/8 1/4-18 1.30 3/4
— 8.0
6.0
8-4 GLO
A 1/2 1/4-18 1.20 7/8
— 9.5
6.0
4-4 G6L
B 1/4 1/4-18 1.48 3/4
11/16 9.5
6.0
6 G6L
B 3/8 1/4-18 1.60 7/8
13/16 8.0
6.0
8-4 G6L
B 1/2 1/4-18 1.75 7/8
15/16 9.5
6.0
UN/UNF
4 G5LO
C 1/4 7/16-20 1.10 3/4
— 6.0
5.0
6-4 G5LO
C 3/8 7/16-20 1.08 3/4
— 6.0
5.0
8-4 G5LO
C 1/2 7/16-20 0.78 7/8
— 6.0
5.0
4 G65L
D 1/4 7/16-20 1.38 11/16 11/16 6.0
5.0
6-4 G65L
D 3/8 7/16-20 1.51 3/4 13/16 6.0
5.0
8-4 G65L
D 1/2 7/16-20 1.57 7/8 15/16 6.0
5.0
NPT
2 GTX
E 1/8 1/8-27 1.13 9/16 — 10.0
5.0
3 GTX
E 3/16 1/8-27 1.13 9/16 — 10.0
5.0
4-4 GTX
E 1/4 1/4-18 1.39 3/4
— 10.0
5.0
4 GTX
E 1/4 1/8-27 1.19 9/16 — 10.0
5.0
6-2 GTX
E 3/8 1/8-27 1.13 5/8
— 10.0
5.0
6 GTX
E 3/8 1/4-18 1.41 3/4
— 10.0
5.0
8-4 GTX
E 1/2 1/4-18 1.41 13/16 — 8.0
5.0
4-4 G6X
F 1/4 1/4-18 9/16 3/4 9/16
9.5
6.0
4 G6X
F 1/4 1/8-27 9/16 9/16 9/16 10.0
7.5
6 G6X
F 3/8 1/4-18 11/16 3/4 11/16 6.0
5.0