201
Dixon Sanitary 2014
800.789.1718
High Pressure Quick Disconnect Fittings
U
ST- Series Hydraulic Couplings
Interchange Data:
•
Interchangeable with Snap-Tite 71-Series
Materials:
•
Machined components are manufactured using 316
stainless bar stock.
•
Stainless steel balls, retaining rings, and springs maximize
corrosion resistance and extend service life.
•
Nitrile (Buna-N) seals are standard, providing a temperature
range of -40°F to +250°F (-40°C to +121°C).
•
All couplers and nipples incorporate PTFE anti-extrusion
rings to protect the seal components from dynamic impulse
damage.
•
Other seal materials are available.
Seal Components:
Body
Size
316
Stainless Coupler / Plug Coupled
Maximum Working
Burst
PSI
Bar
PSI
Bar
1/4"
5,000
345
28,000
1,900
3/8"
5,000
345
28,000
1,900
1/2"
5,000
345
25,000
1,700
3/4"
5,000
345
22,800
1,550
1"
4,000
275
18,500
1,250
2"
3,000
200
10,000
700
Rated Pressure Chart
ST-Series Snap-Tite 71-Series Interchange
Snap-Tite '71' Interchange ST Series
Nipples
Couplers
Size NPTF
A
B
C
316
Stainless Steel
Part Number
1/4"
1/4"
49.8
mm
31.2
mm
15/16"
2
STF2-SS
3/8"
3/8"
59.9
mm
40.6
mm
1-3/16"
3
STF3-SS
3/8"
1/2"
59.9
mm
40.6
mm
1-3/16"
3
STF4-SS
1/2"
1/2"
70.4
mm
50.3
mm
1-1/2"
4
STF4-SS
3/4"
3/4"
77.0
mm
59.7
mm
1-3/4"
6
STF6-SS
1"
1"
84.6
mm
69.3
mm
2"
8
STF8-SS
1"
1-1/4"
93.2
mm
69.3
mm
2"
8
STF10-SS
Size NPTF
A
B
C
316
Stainless Steel
Part Number
1/4"
1/4"
46.7
mm
22.9
mm
13/16"
ST2F2-SS
3/8"
3/8"
58.9
mm
37.6
mm
1"
ST3F3-SS
3/8"
1/2"
58.9
mm
37.6
mm
1"
ST3F4-SS
1/2"
1/2"
60.2
mm
41.9
mm
1-1/2"
ST4F4-SS
3/4"
3/4"
75.2
mm
48.8
mm
1-3/4"
ST6F6-SS
1"
1"
81.8
mm
53.3
mm
1-7/8"
ST8F8-SS
1"
1-1/4"
88.4
mm
55.9
mm
2"
ST8F10-SS
A
B
C
A
B
C