4300
Catalog
General Technical
T30
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
How to Order 4-Bolt Hydraulic Flanges
TFD Standard Nomenclature Construction
Box 1 — Port/Tube/Pipe Flange Size
Box 3 — Shape Description
Box 2 — Port/Tube/Pipe Connection Description
Box 4 — Flange Connection Type
Box 5 — Mounting Style
Box 7 — Kit Designation
Box 6 — Material
One code is required if end connections are the same size.
Two codes are required if they are different sizes (e.g., 16-12)
.
*
The “Block” has O-Ring and drilled mounting holes, while the
“
Pad” has no O-Ring groove and tapped mounting holes.
Box 1
Box 2
Box 3
Box 4
Box 5
Box 6
Box 7
Flange Size
Connection
Description
Shape
Flange Connection
Type
Mounting Style
Material
Kit Designation
Symbol
Description
B3
Braze Socket — silver braze
CP1
Connector Plate — Code 61
CP2
Connector Plate — Code 62
FCC1
Flange Clamp, Captive — Code 61
FCC2
Flange Clamp, Captive — Code 62
FCCT1
Flange Clamp, Captive with Tapped Holes — Code 61
FCCT2
Flange Clamp, Captive with Tapped Holes — Code 62
FCS1
Flange Clamp, Split — Code 61
FCS2
Flange Clamp, Split — Code 62
G
NPTF Port
G3
BSPT Port
G4
BSPP Port
G5
SAE Port
P
Plug (blanking end)
SP
Spacer w/o Gage Ports
SPG
Spacer w/ 1/4-18 NPTF Gage Port
SPG5
Spacer w/ 7/16-20 UNF Gage Port
SPGG5
Spacer w/ 1/4-18 NPTF & 7/16-20 UNF Ports
WSD1
Weld Saddle — Pipe
WSD2
Weld Saddle — Tube
W4
Flat Weld Socket — Tube
W4S
Flat Weld Socket — Tube (shallow)
W5
Flat Weld Socket — Pipe
W5S
Flat Weld Socket — Pipe (shallow)
W6
Extended Weld Socket — Tube
W6S
Extended Weld Socket — Tube (shallow)
W7
Extended Weld Socket — Pipe
W7S
Extended Weld Socket — Pipe (shallow)
WB1
Weld Butt — Schedule 40
WB3
Weld Butt — Schedule 80
WB5
Weld Butt — Schedule 160
WB7
Weld Butt — Schedule XXS
WBT
Weld Butt — Tank Pilot
WPL
Weld Plate
W
Weld Socket
W2
Weld Nipple
W3 or WB
Weld Nipple — Weld Butt, Tube
Symbol
Description
Q1
Code 61 Flange Head w/ O-Ring Groove
Q1N
Code 61 Flange Head w/o O-Ring Groove
Q2
Code 62 Flange Head w/ O-Ring Groove
Q2N
Code 62 Flange Head w/o O-Ring Groove
Q1B
Code 61 Flange Block w/ O-Ring Groove and
Drilled Mounting Holes
Q1P
Code 61 Flange Block w/o O-Ring Groove and
Drilled Mounting Holes
Q2B
Code 62 Flange Block w/ O-Ring Groove and
Drilled Mounting Holes
Q2P
Code 62 Flange Pad w/o O-Ring Groove and
Tapped Mounting Holes
QSB
Square Flange Block w/ O-Ring Groove and
Drilled Mounting Holes
QSP
Square Flange Pad w/o O-Ring Groove and
Tapped Mounting Holes
Symbol
Description
Omit
Inch Mounting Bolts (screws)
M
Metric Mounting Bolts (screws)
Symbol
Description
Omit
Flange Only
M
Kit (O-Ring, 4 bolts and washers)
Symbol
Description
S
Steel, Zinc Plated (braze or weld parts may
not be plated)
SX
Steel, Oil Dipped
SS
Stainless Steel
Symbol
Description
One-to-two
digit codes
Size in inches x 16
Symbol
Description
None
Block and Pad, Straight*
E
Elbow 90°
H
Barstock, Straight
J
Tee
Dimensions and pressures for reference only, subject to change.