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Parker 快速接头和附件
Parker Quick Couplings and Accessories
Parker Quick Couplings
Hydraulic Accessories Swivel Joints, Series DG/KR
Swivel Joints for medium pressure applications up to 350 bar. Available made of brass/steel (Series DG) or steel (Series KR).
Max. rotation speed: 60 r.p.m.
Parker's Swivel Joints Series DG can be used in hydraulic systems where rotating connections are essential, for example on accessories with rotating movements. Depending on design, the body is made of brass (Series DG) or steel (Series KR) and the rotating axis of surfacepurified/stainless steel.
Maximum rotation speed:
60 r.p.m.
Hydraulic Accessories Swivel Joints, Series DG/KR 
Markets:
- Agriculture
- Automotive
- Transportation
- Vocational & Municipal
- Defense
- Industrial
- Machine Tooling
- Material Handling
- Construction
Features/Benefits:
- Rotating joints minimise the high wear to the hose, which occurs in hydraulic systems
- Suitable for combining with norm hydraulic components
- Mainly made of brass to avoid corrosion (Series DG)
- Stainless steel axis for water applications (Series DG)
- Solid construction with two plain bearings (Series DG) or ball/roller bearings (Series KR)
Applications:
To avoid rotation in couplings and hoses
- Mobile cranes
Technical Specifications
| Minimum Operating Temperature: |
-40 °C |
| Brand: |
Tema |
| Fitting Connection Type: |
Female Thread, Male Thread |
| Materials of Construction: |
Brass, Steel |
| Maximum Operating Pressure: |
2900, 3620, 4350 psi, 200, 250, 300 bar |
| Maximum Operating Temperature: |
194 °F, 90 °C |
| Media: |
Hydraulic Fluids |
| Valve Type: |
No Valve |
| Diameter: |
Nominal: 6.0 to 22 mm |
| Length: |
53 up to 139 mm |
| Hex Size: |
22 up to 65 mm |
| Outside Diameter: |
23 up to 72 mm |
| Seal Material: |
NBR |
| Connection Type: |
Male Thread, Female Thread |
Hydraulic Accessories Swivel Joints, Series DG/KR 型号
| Part |
Type |
Connection 1 Thread Size (inch) |
Connection 1 Thread Size (mm) |
Connection 2 Thread Size (inch) |
Material |
| 1000 RF |
DG 1000 |
1 |
na |
1 1/4 |
Brass / Stainless Steel |
| 1000-QC |
DG 1000 |
1 |
na |
1 1/4 |
Brass / Steel |
| 10KRAW33IW33 |
KR |
1 |
na |
1 |
Steel, zinc plated |
| 10KRAW33IW3390 |
KR 90° |
1 |
na |
1 |
Steel, zinc plated |
| 250 |
DG 250 |
1/4 |
na |
3/8 |
Brass / Steel |
| 250 RF |
DG 250 |
1/4 |
na |
3/8 |
Brass / Stainless Steel |
| 2KRAW13IW13 |
KR |
1/4 |
na |
1/4 |
Steel, zinc plated |
| 2KRAW13IW1390 |
KR 90° |
1/4 |
na |
1/4 |
Steel, zinc plated |
| 3KRAW17IW17 |
KR |
3/8 |
na |
3/8 |
Steel, zinc plated |
| 3KRAW17IW1790 |
KR 90° |
3/8 |
na |
3/8 |
Steel, zinc plated |
| 500 |
DG 500 |
1/2 |
na |
3/4 |
Brass / Steel |
| 500 B |
DG 500 |
1/2 |
na |
1/2 |
Brass / Steel |
| 500 RF |
DG 500 |
1/2 |
na |
3/4 |
Brass / Stainless Steel |
| 500 W |
DG 500 |
na |
18x1,5 |
1/2 |
Brass / Steel |
| 500 W5 |
DG 500 |
na |
22x 15 |
1/2 |
Brass / Steel |
| 500 W6 |
DG 500 |
na |
24x1,5 |
1/2 |
Brass / Steel |
| 500-30 |
DG 500 |
7/8-14 UNF |
na |
3/4 |
Brass / Steel |
| 500-31 |
DG 500 |
7/8-14 UNF |
na |
7/8-14 UNF |
Brass / Steel |
| 500-32 |
DG 500 |
7/8-14 UNF |
na |
1/2 |
Brass / Stainless Steel |
| 500-33 |
DG 500 |
11/16-12 UNF |
na |
11/16-12 UNF |
Brass / Steel |
| 5KRAW21IW21 |
KR |
1/2 |
na |
1/2 |
Steel, zinc plated |
| 5KRAW21IW2190 |
KR 90° |
1/2 |
na |
1/2 |
Steel, zinc plated |
| 750 RF |
DG 750 |
3/4 |
na |
1 |
Brass / Stainless Steel |
| 750-QC |
DG 750 |
3/4 |
na |
1 |
Brass / Steel |
| 7KRAW26IW26 |
KR |
3/4 |
na |
3/4 |
Steel, zinc plated |
| 7KRAW26IW2690 |
KR 90° |
3/4 |
na |
3/4 |
Steel, zinc plated |
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