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Parker Hannifin Corporation
Parflex Division
Ravenna, Ohio
Hydraulic &
Pneumatic
Hose & Fit.
PTFE
Hose &
Fittings
Thermoplastic
Tubing
Coiled Air Hose,
Fittings
& Accessories
Truck (Fleet)
Products
Tooling &
Equipment
Hose
Accessories
Technical &
Design
Information
Approvals &
Guides
Alphanumeric
Index
CNG
PARFLEX CNG
CNG - Electrically
Conductive Compressed
Natural Gas Hose
3600 to 5000 PSI
Conforms to NFPA 52, ANSI/IAS NGV 4.2-1999 • CSA 12.52-M99
*Wire spring guards must be used on ANSI/CSA design certified CNG dispenser fill hose assemblies. Hose sizes -3 through -8; single
and multi-line bonded assemblies. Vinyl guards are used on hose sizes -12 and -16.
Note:
The above hose(s) are not intended for use in static discharge applications; i.e., airless paint spray.
Part
Number
I. D.
Max.
O. D.
Max.
Working
Pressure
Min.
Bend
Radius
Weight
Wire
Spring
Guard
Part
Num-
ber*
Vinyl Guard
Part Number
Crimp
Fitting
hose
inch mm inch mm wpsi
MPa inch mm lbs/ft
kg/m
series
pg
3CNG-4
1/4
6
0.52 13
3600
248
2
50.8 .62
9.2
3PSG-4
CNGG3-4
55
53-77
3CNG-6
3/8
10 0.77 20
3600
248 2-1/2 63.5 .150 22.4
5PSG-6
CNGG3-6
58
78-102
4CNG-6
3/8
10 0.77 20
4000
276 2-1/2 63.5 .150 22.4
5PSG-6
CNGG3-6
58
78-102
5CNG-3
3/16
5
0.43 11
5000
345 1-1/2 38.1 .50
7.4
3PSG-3
CNGG5-3
55
53-77
5CNG-4
1/4
6
0.62 16
5000
345
2
50.8 .110 16.4
5PSG-4
CNGG5-4
58
78-102
5CNG-6
3/8
10 0.77 20
5000
345
3
76.2 .170 25.3
5PSG-6
CNGG3-6
58
78-102
5CNG-8
1/2
13 0.89 23
5000
345
4 101.6 .205 30.5
5PSG-8
CNGG5-8
58
78-102
5CNG-12
3/4
19 1.15 28
5000
345 7-1/2 191 .241 35.9
-
CNGG5-12
58H 78-102
5CNG-16
1
25 1.59 40
5000
345 10
254 .358 53.3
-
CNGG5-16
58H 76-100
Tube:
Electrically Conductive Nylon
Reinforcement:
Fiber
Cover:
Urethane, perforated
Cover Color:
Red
Temperature Range:
-40°F to +180°F
-40°C to +82°C
Vacuum Rating:
28 inch Hg
(Delta) Working Length @ Rated WPSI:
N/A
Note:
CNG hose must be assembled at the factory or by a Parflex-
approved facility
Applications/Markets:
Refueling hose specially designed for conveying compressed
natural gas. Dissipates static build-up.
Special Features:
Twin and multi-line available
Optional green cover for 5CNG-X-GRN
Min. Burst Pressure is 4x Max. Working Pressure