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Product Advantage
![]() | Point 1: Rapid & Precise Switching – Response time ≤ 20 ms for direct-acting models, enabling high-cycle applications up to 1,200 cycles per minute. Precision-machined plunger and spring ensure consistent shutoff, reducing fluid waste and improving process accuracy. Point 2: Superior Corrosion & Temperature Resistance** – 316L stainless steel body and plunger tube resist rust, acids, and saline environments. Optional FKM, EPDM, or PTFE seals allow operation from -20°C to +180°C, suitable for steam, hot water, and chemical dosing. Point 3: Zero Differential Pressure Operation (Direct-Acting) – Direct-acting models operate from 0 bar to maximum rated pressure without minimum pressure drop requirement. This makes them ideal for vacuum systems, gravity-fed lines, and low-flow applications where pilot-operated valves would fail. |
Point 4: Low Power Consumption & Coil Options – Energy-saving coils available from 3W to 15W (DC) or 6VA to 22VA (AC). Class H insulation (180°C) and IP65 or IP67 protection ensure reliable operation in humid or dusty environments. 100% coil tested for dielectric strength. Keywords: low power solenoid valve, IP67 solenoid valve, high insulation coil Point 5: Long Service Life & 100% Testing – Life cycle tested to over 5 million operations without failure. Each valve undergoes 100% pressure and leakage test (bubble-tight shutoff) at 1.1× rated pressure, and coil continuity test. 2-year warranty standard. Keywords: long life solenoid valve, 5 million cycles solenoid valve, 100% tested valve Point 6: Explosion-Proof & ATEX Certified Option** – For hazardous areas, we offer explosion-proof enclosures (Ex d IIC T4/T6) and intrinsically safe (Ex ia) coils with ATEX, IECEx, or CSA certification. Suitable for Zone 1, Zone 2, or Class I Division 1 environments. | ![]() |
Product Uses
Use 1:
Water Treatment & Dosing Systems – Controls raw water, softened water, chemical dosing (chlorine, coagulants), and backwash flows. Stainless steel body resists corrosion from aggressive chemicals, while fast response ensures precise injection timing.
Use 2:
Food & Beverage Processing – Used in CIP (clean-in-place) lines, liquid filling machines, steam injection, and pasteurizers. FDA-compliant seals and stainless steel construction prevent contamination and meet hygienic standards.
Use 3:
Medical & Laboratory Equipment – Controls gas (oxygen, nitrogen) and liquid flow in analyzers, ventilators, and dialysis machines. Low power consumption and silent operation (< 35 dB) are critical for patient‑near and noise‑sensitive environments.
Use 4:
Industrial Automation & Pneumatic Systems – Manages air, water, or light oil for cylinder control, spray systems, and lubrication circuits. Direct-acting models work reliably at zero pressure, ideal for gravity-feed or suction-line applications.
Use 5:
Marine & Offshore Equipment – Resists saltwater corrosion and vibration. Used in bilge water treatment, fuel transfer, cooling water systems, and desalination units. IP67 coil options allow deck or engine room installation without enclosure concerns.
Technical Parameters
| Nominal Diameter | Common Name | Material | Chuck Outer Diameter | Length (mm) | Height (mm) | Pressure Rating | Weight (kg) |
| DN15 | 1/2 inch | 304/316L | 50.5 | 100 | 125 | 0-1MPa | 0.75 |
| DN20 | 3/4 inch | 304/316L | 50.5 | 100 | 125 | 0-1MPa | 0.75 |
| DN25 | 1 inch | 304/316L | 50.5 | 130 | 130 | 0-1MPa | 1 |
| DN32 | 1.2 inch | 304/316L | 50.5 | 130 | 130 | 0-1MPa | 1 |
| DN40 | 1.5 inch | 304/316L | 64 | 155 | 165 | 0-1MPa | 2.4 |
| DN50 | 2 inch | 304/316L | 77.5 | 160 | 177 | 0-1MPa | 2.6 |
| Attribute | solenoid valve | Actuator | Electric |
| Model NO. | e.g., WS Series, PS Series, etc. | Type | Direct Acting, Pilot Operated |
| Connection Form | Clamp Connection / Union Ring Connection | Pressure Rating | Low, Medium, High Pressure |
| Body Material | Stainless Steel 304, SS 316, Brass, Cast Steel | Power Supply | DC12V/DC24V/AC24V/ AC110V/AC220V |
| Diaphragm Material | NBR / FKM / VMQ | Standard & Certification | GB, DIN, ISO9001, CE, RoHS |
| Protection Grade | IP55 | Transport Package | Wooden Case Packaging |
| Operation Mode | Normally Closed / Normally Open | Trademark | LINKV |
| Applicable Media | Water, Air, Oil, etc. | Origin | Wenzhou, China |
| Temperature Range | Nitrile: -5°C - 85°C Silicone: -5°C - 120°C Fluororubber: -40°C - 150°C | HS Code | 8481804090 |
| Valve Structure | Diaphragm, Piston, Pilot Operated | Production Capacity | 5000 PCS/Month |
| Usage | On/Off, Flow Control, Emergency Cut-off | Customized Service | 18 Months Quality Guarantee, Optional Explosion-Proof |
| Application | Water Industry, Steam Systems, Gas Equipment, High-Pressure Industrial Lines | Pipe Size | Depending on Model |
FAQ
Q1: What is the difference between direct-acting and pilot-operated solenoid valves?
A: Direct-acting operates from 0 bar to full rating, ideal for vacuum or low pressure. Pilot-operated requires a minimum pressure drop (typically 0.5 bar) to open, but handles higher flow rates at lower coil power.
Q2: Can your stainless steel solenoid valve be used with steam at 160°C?
A:Yes, with PTFE seals and high-temperature coil (Class H). For continuous steam service up to 180°C, choose our HT series with a cooling fin and special plunger guide. Confirm temperature and pressure with our engineers.
Q3: Do you provide NPT or BSP threads? And what about flanged connections?
A:We offer NPT, BSPP (G), BSPT, and metric threads as standard. Flanged ends (DN15–DN50) are available upon request for larger sizes or high-pressure applications. Minimum order may apply for flanged types.
Q4: What is the typical lifespan of your solenoid valve?
A:Under rated conditions (clean media, proper voltage, no water hammer), our valves exceed 5 million cycles. With PTFE seals and AC coils, expected life is 2–3 years in continuous cycling applications. We provide 2-year warranty.
Q5: Can the coil be replaced without removing the valve from the pipeline?
A: Yes, all our solenoid valves have interchangeable coil systems. Simply loosen the retaining nut, remove the old coil, and snap on the new one – no need to shut off the process or break pipe connections.