OLK's ASC series one-way throttle valve controls fluid flow by adjusting the size of the throttle section. These valves combine the characteristics of a unidirectional structure and a throttling structure.
The ASC throttle valve made by OLK （ouleikai) has a large working air hole, ensuring a large gas flow rate while reducing pressure loss, greatly improving work efficiency. They are more sensitive in terms of exhaust throttling, and the pressure regulation process is more convenient and easy. Clockwise rotation can increase the flow rate, counterclockwise rotation can reduce the flow rate, and the locking nut design ensures stable pressure.
The ASC series one-way throttle valves are widely used in multiple industries, including semiconductor manufacturing, printing tension control, automation control, automotive engines, robot development, and welding.
Symbol:
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Ordering code: |
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| ASC | 300 | 10 |
| MODEL | SERIES | PORT SIZE |
| ASC:One way throttle valve | 100:100 SERIES | 100 SERIES:06:G1/8 |
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200:200 SERIES | 200 SERIES:08:G1/4 |
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300:300 SERIES |
300 SERIES:10-G3/8 |
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300 SERIES :15-G1/2 |
1.Allow the airflow in one direction but stops in the reverse direction
2.Check valves permit air flow in the one direction
3. Lightweight and compact structure.
4. Exhaust throttle for sensitive adjustment and high precision.
5. Easy installation with multiple mounting positions.
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working medium |
Air (filtered through a filter over 40μm) |
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Working pressure range MPa(psi) |
0.05～0.9 |
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Guaranteed pressure resistance |
1.5MPa (215psi) |
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Working temperature °C |
-20∼70 |
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Body material |
aluminum alloy |
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model |
Port diameter |
Throttle valve standard rated flow L/min |
Check valve standard rated flow L/min |
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ASC100-06 |
G1/8 |
200 |
400 |
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ASC200-08 |
G1/4 |
450 |
800 |
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ASC300-10 |
G3/8 |
1250 |
1500 |
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ASC300-15 |
G1/2 |
1650 |
2500 |
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Difference Between ASC (Hard-seal) and RE (Soft-seal) One-way Flow Control Valves |
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Model |
seling structure |
Features |
Suitable Applications |
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ASC(hard-seal) |
Metal-to -metal sealing |
High pressure resistance, high temperature resistance, long service life, not easily worn |
High-frequency motion, harsh environments, industrial machinery |
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RE(soft-seal) |
Rubber sealing |
Better air-tightness, more stable performance under low pressure |
Low-pressure systems, applications requiring high sealing performance |
FAQs:
Does the ASC check valve adjustment affect pressure?
The throttle basically does not affect the source of pressure, only the through-flow and thus the velocity.
Keep the pressure source stable.
Which is more durable, ASC (hard seal) or RE (soft seal)?
ASC is more durable.
Longer life, pollution and impact resistance of hard seal structure. Not prone to seal failure due to oil or particles
Which check valve is more suitable for dirty air or oily environments?
ASC (hard seal) is more suitable and not easy to get stuck by oil and particles.
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