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2W Serie
WAALPC
8481804090
High-quality brass construction resists corrosion, wear, and high pressure (up to 25 bar), ensuring long service life even in demanding industrial environments.
Reliably controls air, water, steam, oil, light fuels, and inert gases (with compatible seals like NBR, EPDM, or FKM/Viton®), offering unmatched versatility.
Direct-acting design enables reliable opening and closing from 0 bar (vacuum) up to max pressure, eliminating dependency on line pressure differentials.
ORDERING CODE

SPECIFICATION
| Model | 2W160-10(15) | 2W200-20 | 2W250-25 | 2W350-35 | 2W400-40 | 2W500-50 |
| Working Medium | Air/Water/Oil/Gas | |||||
Action Mode | Direct Drive Type | |||||
Type | Normal Close Type; Normal Open Type | |||||
Aperture of Flow Rate(mm) | 16 | 20 | 25 | 35 | 40 | 50 |
| Cv Value | 4.8 | 7.6 | 12 | 24 | 29 | 48 |
Port Size | G3/8(1/2) | G3/4 | G1 | G1 1/4 | G1 1/2 | G2 |
Fluid Viscosity | Below 20CST | |||||
Working Pressure | Water: 0~5(Kgf/cm2), Air: 0~7(Kgf/cm2), Oil: 0~5(Kgf/cm2), Gas: 0~7(Kgf/cm2) | |||||
Max. Pressure Resistance | 10.5(Kgf/cm2) | |||||

| Model | A | B | C | D | K(G) |
| 2W160-10 | 92.5 | 57 | 105 | 66 | G3/8 |
| 2W160-15 | 98.5 | 57 | 112 | 66 | G1/2 |
| 2W200-20 | 99.5 | 57 | 116 | 70 | G3/4 |
| 2W250-25 | 104 | 76 | 124 | 92 | G1 |
| 2W350-35 | 139 | 92 | 163 | 118 | G1 1/4 |
| 2W400-40 | 141 | 92 | 168 | 125 | G1 1/2 |
| 2W500-50 | 155 | 120 | 190 | 168 | G2 |