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Parker ST Series are unvalved quick couplings
ST Series High Flow (Unvalved) - Brass, Stainless Steel, Steel Quick Couplings (hydraulic, fluids) up to 6700 psi
ST Series high flow Couplers (hydraulic, fluids) up to 6700 psi connect with ST Series high flow Nipples.
Parker's ST Series are unvalved quick couplings with manual sleeves providing high flow and low pressure drop. The smooth, straight through flow path allows easy cleaning where the same lines are used for more than one media. These straight through couplers and nipples are available in a wide range of sizes and materials for pressure ranges up to 6700 psi.
| Body Size: |
1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2 inch |
| Maximum Operating Pressure: |
Up to 6700 psi, Up to 462 bar |
| Maximum Operating Temperature: |
Up to 204 °C, Up to 400 °F, 250 to 400 °F |
| Materials of Construction: |
Brass, Stainless steel |
| Valve Type: |
No Valve, Unvalved |
| Brand: |
Parker |
| Vacuum Pressure Rating: |
No |
| Fitting Connection Type: |
Female Thread, Male Thread |
| Flow Rate: |
3 to 100 Gal/min |
| Seal Material: |
Nitrile, Fluorocarbon |
|
| Media: |
Hydraulic |
| Coupling Half: |
Coupler |
| Minimum Operating Temperature: |
-40 to -15 °F |
| Sleeve Type: |
Manual |
| Lock Type: |
Locking balls |
| Connection Type: |
NPTF |
| Application: |
Hydraulic, high flow |
Technical Characteristics:
- Sizes: 1/8” – 1-1/2”
- Materials: Brass, 303 Stainless Steel
- Port Ends: Female NPTF, Male NPTF
- Seal Options: Nitrile, EPR, Fluorocarbon, Neoprene
Other Coupler options include: Sleeve lock
Markets:
- Industrial
- Construction
- Commercial Cleaning
- Agriculture
Features/Benefits:
- Multi-purpose high flow coupling, widely used in varied applications
- Wide range of sizes and material options
- Optional coupler sleeve lock helps to prevent accidental disconnection
- Functionally interchanges with similar straight through quick couplings
Applications:
- High pressure water
- Steam washers
- Carpet cleaners
Related Documents
Literature and Reference Materials
Catalog 3800 Quick Coupling Products
ST Series Catalog
High Flow (Unvalved) - Brass, Stainless Steel, Steel Quick Couplings (hydraulic, fluids) up to 6700 psi - ST Series Couplers
Part |
Maximum Working Pressure (psi) |
Body Size (inch) |
Body Material |
Thread Style |
Connection Thread Size (inch) |
BST-1 |
2500 |
1/8 |
Brass |
Female |
1/8 - 27 |
BST-10 |
1700 |
1 1/4 |
Brass |
Female |
1 1/4 - 11 1/2 |
BST-12 |
1400 |
1 1/2 |
Brass |
Female |
1 1/2 - 11 1/2 |
BST-1M |
2500 |
1/8 |
Brass |
Male |
1/8 - 27 |
BST-2 |
5200 |
1/4 |
Brass |
Female |
1/4 - 18 |
BST-2M |
5200 |
1/4 |
Brass |
Male |
1/4 - 18 |
BST-3 |
2700 |
3/8 |
Brass |
Female |
3/8 - 18 |
BST-3M |
2700 |
3/8 |
Brass |
Male |
3/8 - 18 |
BST-4 |
2200 |
1/2 |
Brass |
Female |
1/2 - 14 |
BST-4M |
2200 |
1/2 |
Brass |
Male |
1/2 - 14 |
BST-6 |
1700 |
3/4 |
Brass |
Female |
3/4 - 14 |
BST-6M |
1700 |
3/4 |
Brass |
Male |
3/4 - 14 |
BST-8 |
1200 |
1 |
Brass |
Female |
1 - 11 1/2 |
BST-8M |
1200 |
1 |
Brass |
Male |
1 - 11 1/2 |
SSST-2Y |
6700 |
1/4 |
316 stainless steel |
Female |
1/4 - 18 |
SSST-3Y |
5500 |
3/8 |
316 stainless steel |
Female |
3/8 - 18 |
SST-1 |
4200 |
1/8 |
303 stainless steel |
Female |
1/8 - 27 |
SST-1M |
4200 |
1/8 |
303 stainless steel |
Male |
1/8 - 27 |
SST-2 |
6700 |
1/4 |
303 stainless steel |
Female |
1/4 - 18 |
SST-2M |
6700 |
1/4 |
303 stainless steel |
Male |
1/4 - 18 |
SST-3 |
5500 |
3/8 |
303 stainless steel |
Female |
3/8 - 18 |
SST-3M |
5500 |
3/8 |
303 stainless steel |
Male |
3/8 - 18 |
SST-4 |
3000 |
1/2 |
303 stainless steel |
Female |
1/2 - 14 |
SST-4M |
3000 |
1/2 |
303 stainless steel |
Male |
1/2 - 14 |
SST-6 |
3000 |
3/4 |
303 stainless steel |
Female |
3/4 - 14 |
SST-6M |
3000 |
3/4 |
303 stainless steel |
Male |
3/4 - 14 |
SST-8 |
1700 |
1 |
303 stainless steel |
Female |
1 - 11 1/2 |
SST-8M |
1700 |
1 |
303 stainless steel |
Male |
1 - 11 1/2 |
High Flow (Unvalved) - Brass, Stainless Steel, Steel Quick Couplings (hydraulic, fluids) up to 6700 psi - ST Series Nipples
Part |
Maximum Working Pressure (psi) |
Body Size (inch) |
Body Material |
Thread Style |
Connection Thread Size (inch) |
BST-N1 |
2500 |
1/8 |
Brass |
Female |
1/8 - 27 |
BST-N10 |
1700 |
1 1/4 |
Brass |
Female |
1 1/4 - 11 1/2 |
BST-N10M |
1700 |
1 1/4 |
Brass |
Male |
1 1/4 - 11 1/2 |
BST-N12 |
1400 |
1 1/2 |
Brass |
Female |
1 1/2 - 11 1/2 |
BST-N12M |
1400 |
1 1/2 |
Brass |
Male |
1 1/2 - 11 1/2 |
BST-N1M |
2500 |
1/8 |
Brass |
Male |
1/8 - 27 |
BST-N2 |
5200 |
1/4 |
Brass |
Female |
1/4 - 18 |
BST-N2M |
5200 |
1/4 |
Brass |
Male |
1/4 - 18 |
BST-N3 |
2700 |
3/8 |
Brass |
Female |
3/8 - 18 |
BST-N3M |
2700 |
3/8 |
Brass |
Male |
3/8 - 18 |
BST-N4 |
2200 |
1/2 |
Brass |
Female |
1/2 - 14 |
BST-N4M |
2200 |
1/2 |
Brass |
Male |
1/2 - 14 |
BST-N6 |
1700 |
3/4 |
Brass |
Female |
3/4 - 14 |
BST-N6M |
1700 |
3/4 |
Brass |
Male |
3/4 - 14 |
BST-N8 |
1200 |
1 |
Brass |
Female |
1 - 11 1/2 |
BST-N8M |
1200 |
1 |
Brass |
Male |
1 - 11 1/2 |
SSST-N2 |
6700 |
1/4 |
316 Stainless Steel |
Female |
1/4 - 18 |
SSST-N2M |
6700 |
1/4 |
316 Stainless Steel |
Male |
1/4 - 18 |
SSST-N3M |
5500 |
3/8 |
316 Stainless Steel |
Male |
3/8 - 18 |
SSST-N4 |
3000 |
1/2 |
316 Stainless Steel |
Female |
1/2 - 14 |
SST-N1 |
4200 |
1/8 |
303 Stainless Steel |
Female |
1/8 - 27 |
SST-N1M |
4200 |
1/8 |
303 Stainless Steel |
Male |
1/8 - 27 |
SST-N2 |
6700 |
1/4 |
303 Stainless Steel |
Female |
1/4 - 18 |
SST-N2M |
6700 |
1/4 |
303 Stainless Steel |
Male |
1/4 - 18 |
SST-N3 |
5500 |
3/8 |
303 Stainless Steel |
Female |
3/8 - 18 |
SST-N3M |
5500 |
3/8 |
303 Stainless Steel |
Male |
3/8 - 18 |
SST-N4 |
3000 |
1/2 |
303 Stainless Steel |
Female |
1/2 - 14 |
SST-N4M |
3000 |
1/2 |
303 Stainless Steel |
Male |
1/2 - 14 |
SST-N6 |
3000 |
3/4 |
303 Stainless Steel |
Female |
3/4 - 14 |
SST-N6M |
3000 |
3/4 |
303 Stainless Steel |
Male |
3/4 - 14 |
SST-N8 |
1700 |
1 |
303 Stainless Steel |
Female |
1 - 11 1/2 |
SST-N8M |
1700 |
1 |
303 Stainless Steel |
Male |
1 - 11 1/2 |
ST-N1 |
2600 |
1/8 |
Steel |
Female |
1/8 - 27 |
ST-N1M |
2600 |
1/8 |
Steel |
Male |
1/8 - 27 |
ST-N2 |
5500 |
1/4 |
Steel |
Female |
1/4 - 18 |
ST-N2M |
5500 |
1/4 |
Steel |
Male |
1/4 - 18 |
ST-N3 |
3500 |
3/8 |
Steel |
Female |
3/8 - 18 |
ST-N3M |
3500 |
3/8 |
Steel |
Male |
3/8 - 18 |
ST-N4 |
2700 |
1/2 |
Steel |
Female |
1/2 - 14 |
ST-N4M |
2700 |
1/2 |
Steel |
Male |
1/2 - 14 |
ST-N6 |
2700 |
3/4 |
Steel |
Female |
3/4 - 14 |
ST-N6M |
2700 |
3/4 |
Steel |
Male |
3/4 - 14 |
ST-N8 |
2000 |
1 |
Steel |
Female |
1 - 11 1/2 |
ST-N8M |
2000 |
1 |
Steel |
Male |
1 - 11 1/2 |
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fcg.cnmec@parkerdistribution.com.cn
