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<strong>Rometec</strong> <strong>srl</strong> - www.rometec.it - <strong>Rometec</strong> <strong>srl</strong> - www.rometec.it - <strong>Rometec</strong> <strong>srl</strong> - www.rometec.it<br />
<strong>Quick</strong> Coupling Products<br />
High Flow <strong>Couplings</strong><br />
ST Series<br />
Applications<br />
The Parker ST Series are non-valved couplings for<br />
applications where maximum flow is required. Their smooth,<br />
open bore offers the lowest pressure drop of any quick<br />
coupling design and is ideal for applications such as highpressure<br />
water and steam washers, carpet cleaners and<br />
mold coolant lines. They are often used in food processing, on<br />
fluid and dye transfer lines.<br />
Specifications<br />
Body Size 1/8 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2<br />
Rated Pressure (PSI)<br />
Brass 2500 5200 2700 2200 1700 1200 1700 1400<br />
Stainless Steel 4200 6700 5500 3000 3000 1700 – –<br />
Rated Flow 3 6 12 12 28 50 76 100<br />
Temperature Range (std seals) -40° to +250°F<br />
Special Order Information<br />
All sizes of ST Series can be furnished with locking sleeves.<br />
Place suffix letters “SL” (Sleeve-Lok) after regular catalog<br />
numbers. Example: SST-4MSL. Standard seal material is<br />
Nitrile. Ethylene Propylene, Fluorocarbon, or Neoprene seals<br />
are available upon request. See <strong>Fluid</strong> Compatibility Chart for<br />
recommendations.<br />
Performance<br />
12<br />
ST Series (1/8", 1/4", 3/8", 1/2")<br />
Test <strong>Fluid</strong>: Oil - 150 SUS<br />
ST Series (3/4", 1", 1-1/4")<br />
Test <strong>Fluid</strong>: Oil - 150 SUS<br />
5<br />
Pressure Drop in PSID<br />
10<br />
8<br />
6<br />
4<br />
1/8"<br />
1/4"<br />
3/8"<br />
1/2"<br />
Pressure Drop in PSID<br />
4<br />
3<br />
2<br />
3/4"<br />
1"<br />
1-1/4"<br />
2<br />
1<br />
0<br />
0 2 4 6 8 10 12 14 16 18<br />
Flow in USGPM<br />
0<br />
0 20 40 60 80 100<br />
Flow in USGPM<br />
14<br />
Parker Hannifin Corporation<br />
<strong>Quick</strong> Coupling Division<br />
Minneapolis, MN 55427<br />
<strong>Rometec</strong> <strong>srl</strong> - www.rometec.it - <strong>Rometec</strong> <strong>srl</strong> - www.rometec.it - <strong>Rometec</strong> <strong>srl</strong> - www.rometec.it
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