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I. Characteristics
This series of valves is constructed as a combination of two check valves, enabling two pneumatic signals to be output separately from the same inlet port to actuate the valve and achieve control, while ensuring that the two signals do not interfere with each other. The function of this arrangement is equivalent to that of an OR gate in logic circuits.
II. Graphical Symbols
III. Model
IV. Technical Parameters
| Model Specifications | KS-L3 | KS-L6 | KS-L8 | KS-L10 | KS-L15 | KS-L20 | KS-L25 |
| Nominal Diameter (mm) | 3 | 6 | 8 | 10 | 15 | 20 | 25 |
| Working medium | Compressed air | ||||||
| Working pressure range (MPa) | 0.05 to 0.8 | ||||||
| Medium temperature (℃) | 5 to 50 | ||||||
| Ambient temperature (°C) | 5 to 50 | ||||||
| Effective cross-sectional area ≥ (mm) | 4 | 10 | 20 | 40 | 60 | 110 | 190 |
| Leakage rate ≤ (cm/min) | 10 | 25 | 50 | ||||
| Minimum operating frequency (times/day) | One thirtieth | ||||||
| Durability ≥ (10,000 cycles) | 150 | ||||||
V. Structural Principle
VI. External Dimensions
| Model Specifications | d | d2(φ) | L | L1 | L2 | B | H | H1 |
| KS-L3 | G 1/8 | 4 | 38 | 20 | 4 | 18 | 26 | 16 |
| KS-L6 | G 1/8 | 5 | 60 | 36 | 9 | 25 | 42 | 38 |
| KS-L8 | G 1/4 | |||||||
| KS-L10 | G 3/8 | 7 | 75 | 48 | 101 | 36 | 52 | 34 |
| KS-L15 | G 1/2 | |||||||
| KS-L20 | G 3/4 | 7 | 110 | 72 | 12 | 55 | 76 | 49 |
| KS-L25 | G 1 |
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Railway
Drilling machine
Well workover rig
Well-logging machine
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Specializing in pneumatic valves for petroleum machinery, air source treatment components, control components, actuating components, auxiliary components, and pneumatic tools.
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Focusing on customers’ personalized needs to provide customized services, we offer over 1,000 products—including petroleum drilling and production accessories and pneumatic and hydraulic control components—that can meet the operational requirements of various industries and satisfy customers’ diverse procurement needs.
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Need help? We’re here to help!
Phone/Fax
+86-631-5684177
Service hotline (same number on WeChat)
+8615588424700
+8613561811500
Contact email
whzhpc.business@whzhpc.com
Contact Address
No. 55 Dalian Road, High-Tech Industrial Development Zone, Weihai City, Shandong Province
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