TruFit tube fittings are ordered by specifying part numbers as listed in this catalog. The TruFit part numbers are easy to understand, and describe tube fittings that are completely assembled and ready to be installed. The following explains the part numbering system:
ISS
|
D | 4 | MC | 2 | |
Instrumentation
Material Designator (See Chart 1) |
SSP Brand Designator
D = Duolok Instrumentation quality tube fittings
|
Tube O.D. expressed in sixteenths of an inch (See Chart 2) |
Type of Tube Fitting Designator (See Chart 3) | 2nd end connection, expressed in sixteenths of an inch, is required for a reduced size tube O.D. or a differing type of end connection such as MNPT, FNPT, etc. (See Chart 2) |
For special application tees, a 3rd end connection is required for a reduced size tube O.D. or a differing type of end connection such is MNPT, FNPT, etc. expressed in sixteenths of an inch (See Chart 2) |
Chart 1 | |
Instrumentation Material Designator
|
Material |
IB | Brass |
ISS | 316 Stainless Steel |
ICS | Carbon Steel |
IM | Monel® |
Chart 2: Part # Size Designators | |
Size Designator
|
Tube O.D. or MNPT, FNPT Size |
1 | 1/16" |
2 | 1/8" |
3 | 3/16" |
4 | 1/4" |
5 | 5/16" |
6 | 3/8" |
8 | 1/2" |
10 | 5/8" |
12 | 3/4" |
16 | 1" |
Notes:
All Configurations:
Only one size indicator is necessary when all of the connections are the same type and size.
Straights and Elbows: Specify the largest tube end first followed by the smaller tube end or differing type of connection (MNPT, FNPT, etc.).
Tees and Crosses:
Tees are described by first sizing the run (1 to 2) and then the branch (3). Crosses are described by first sizing the run (1 to 2) and then the branch (3 to 4). See Figure 1.
Specials: SSP Instrumentation manufactures a wide variety of special application tube fittings. Contact your local distributor for details regarding availability of special tube fitting configurations, materials and sizes.
Chart 3 | |
Type of Fitting Designator
|
Description of Unilok Tube Fitting Types |
A | Adapter |
BT | Branch Tee |
CN | Close Nipple |
E | Elbow |
E45 | Elbow 45° |
HGC | Hex Coupling |
HLN | Hex Long Nipple |
HN | Hex Nipple |
HRCG | Hex Reducing Coupling |
HRN | Hex Reducing Nipple |
HHP | Hollow Hex Plug |
FBT | Female Branch Tee |
ME | Male Elbow |
PCP | Pipe Cap |
PCS | Pipe Cross |
PP | Pipe Plug |
PT | Pipe Tee |
RA | Reducing Adapter |
RB | Reducing Bushing |
RSE | Reducing Street Elbow |
SE | Street Elbow |
SE45 | Street Elbow 45° |
ST | Street Tee |
©2018 SSP Corporation. All Rights Reserved.
©2016 SSP Corporation. All Rights Reserved.