
Parker Hannifin Corporation
Parflex Division
Ravenna, Ohio
Bulletin No. 4660-PGP2T
Parflex
®
Flexible Gas Piping System
Design and Installation Guide
Fitting
Part No.
Malleable Part
No.
Galvanized
Flange
Part No.
Tube
Size
Flange
Dia.
Nut Hex
Adapter
Hex
Assembled
Length
NPTF Thread
Size
Weight
A
B
C
D
E
(lbs.)
2NFSFM-6B
6-CFL
6-CFLG
3/8
3-1/2
1-1/8"
7/8"
2.27"
1/2” - 14
.84
2NFSFM-8B
8-CFL
8-CFLG
1/2
4
1-3/8"
1-1/8"
2.42"
1/2” - 14
.96
2NFSFM-12B
12-16-CFL
12-16-CFLG
3/4
4
1-5/8"
1-3/8"
2.77"
3/4” - 14
1.35
2NFSFM-16B
12-16-CFL
12-16-CFLG
1
4
1-3/4"
1-3/4"
3.23"
1"-11-1/2
1.58
2NFSFM-20B
20-CFL
-
1-1/4
5-1/2
2-1/2"
2"
3-3/4"
1-1/4” - 11-1/2
2.10
Straight Flange Fitting — Tube to Flange Mount Male Pipe Connection
Straight Flange Fitting
*Shown with optional flange mounting bracket FMB-1 and
Section 2.0 System Components
Elbow Flange Fitting — Tube to Flange Mount
90° Elbow Male Pipe Connector
Fitting
Part No.
Malleable Part
No.
Galvanized
Flange
Part No.
Tube
Size
Flange
Dia.
Nut
Hex
Assembled
Length
NPTF
Thread Size
Elbow Drop
Length
Weight
(lbs.)
A
B
C
D
E
2NFEFM-8B
8-CFL
8-CFLG
1/2
4
1-3/8"
2.07"
1/2” - 14
1.48"
.96
2NFEFM-12B
12-16-CFL
12-16-CFLG
3/4
4
1-5/8"
2.56"
3/4” - 14
1.87"
1.35
2NFEFM-16B
12-16-CFL
12-16-CFLG
1
4
1-3/4"
3.10"
1-11-1/2
1.97"
1.58
Elbow Flange Fitting
*Shown with optional flange mounting bracket FMB-1
Mechanical Fittings (Continued)
FastMate™
(U.S. Patent No. 6,908,114)
Flareless Quick Connect Fittings for Parflex Tubing
Flange Mount Bracket*
*Used for mounting all flange FastMate™ fittings to studs during rough installation. (Kit includes one bracket
and fasteners.)
Part
No.
A
B
C
Weight
(lbs.)
FMB-1
2.9
4
3.5
0.4