Q22HD-25 2/2 way piston type brass material pneumatic flow control valve
Q22HD series 2 way pneumatic control type piston valves to control water, air, oil and gasFeatureÂ
2/2 way, Single Action Or Double Action;Â
Air control type pneumatic valveÂ
Material: BrassÂ
Port Connection: G1/2'', G3/4'', G1'', G11/4'', G1-1/2'', G2''.Â
Working Medium: Air, Water, Oil, Liquefied gas, free-running viscosity liquidÂ
Operating Pressure: 0~1.0MPaÂ
Meduim Temperature: -5~80 oC/ NBR for -5~80oC and EPDM, VITON for -5~150oC
| Model | Q22HD-15 | Q22HD-20 | Q22HD-25 | Q22HD-35 | Q22HD-40 | Q22HD-50 |
| Body material | brass | |||||
| Orifice | 15 | 20 | 25 | 35 | 40 | 50 |
| Port size | 1/2" | 3/4" | 1" | 1-1/4" | 1.5" | 2" |
| Available thread | NPT, BSPT, BSPP (Female thread) | |||||
| Working medium | Air, water, oil, gas | |||||
| Fluid pressure | 0~1.0MPa | |||||
| Fluid temp | -5~100 C | |||||
| Fluid viscosity | bellow 50 CST | |||||
| KV value | 4 | 5 | 10 | 25 | 25 | 40 |
| Operation | direct acting | |||||
| Material of seal | PTFE | |||||
| Number of ports | 2 | |||||
Q22HD-25 2/2 way piston type brass material pneumatic flow control valve
Q22HD series 2 way pneumatic control type piston valves to control water, air, oil and gasFeatureÂ
2/2 way, Single Action Or Double Action;Â
Air control type pneumatic valveÂ
Material: BrassÂ
Port Connection: G1/2'', G3/4'', G1'', G11/4'', G1-1/2'', G2''.Â
Working Medium: Air, Water, Oil, Liquefied gas, free-running viscosity liquidÂ
Operating Pressure: 0~1.0MPaÂ
Meduim Temperature: -5~80 oC/ NBR for -5~80oC and EPDM, VITON for -5~150oC
| Model | Q22HD-15 | Q22HD-20 | Q22HD-25 | Q22HD-35 | Q22HD-40 | Q22HD-50 |
| Body material | brass | |||||
| Orifice | 15 | 20 | 25 | 35 | 40 | 50 |
| Port size | 1/2" | 3/4" | 1" | 1-1/4" | 1.5" | 2" |
| Available thread | NPT, BSPT, BSPP (Female thread) | |||||
| Working medium | Air, water, oil, gas | |||||
| Fluid pressure | 0~1.0MPa | |||||
| Fluid temp | -5~100 C | |||||
| Fluid viscosity | bellow 50 CST | |||||
| KV value | 4 | 5 | 10 | 25 | 25 | 40 |
| Operation | direct acting | |||||
| Material of seal | PTFE | |||||
| Number of ports | 2 | |||||
Die casting is a Aluminium or Zinc metal casting process that is characterized by forcing nolten metal under high pressure into a die mold cavity. The mold cavity is created using two hardened tool steel dies which have been machined into shape and work similarly to an injection mould during the process. Most die castings are made from non-ferrous metals, specifically zinc, copper, aluminium, magnesium, lead, pewter, and tin-based alloys. Depending on the type of metal being cast, a hot- or cold-chamber machine is used.
The casting equipment and the metal dies represent large capital costs and this tends to limit the process to high-volume production. Manufacture of parts using die casting is relatively simple, involving only four main steps, which keeps the incremental cost per item low. It is especially suited for a large quantity of small- to medium-sized castings, which is why die casting produces more castings than any other casting process. Die castings are characterized by a very good surface finish (by casting standards) and dimensional consistency.
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