clamps and small automation machines. This 4H Series Manual Air Inlet & Outlet Valve features optimized inner flow channels to reduce air resistance and boost airflow volume. Built with die-cast aluminum valve body and wear-resistant sealing parts, it owns stable self-locking structure to prevent accidental reset caused by air pressure. As fully manual equipment, the 4H Manual Air Inlet & Outlet Valve works well without power supply, perfectly suitable for explosion-proof workshops and equipment maintenance. Various port sizes and mounting options bring flexible pipeline arrangement, with few vulnerable components to cut down maintenance costs. Widely applied in all kinds of industrial compressed air systems.

4H Series Manual Air Inlet & Outlet Valve

• Simple manual operation, no power supply required, safe for explosion-proof environments.
• Smooth internal flow channel, low air resistance, large air flow, fast cylinder response.
• Durable aluminum alloy valve body with wear-resistant seals, long service life under frequent operation.
• Flexible installation with multiple port positions, convenient for pipeline layout and equipment maintenance.
• Self-locking gear design, no automatic rebound caused by air pressure to prevent misoperation.
• Low maintenance cost, no electrical vulnerable parts, easy cleaning and replacement of spare parts.
• Wide compatibility with jigs, clamps and small pneumatic machinery, applicable to various working conditions.