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Power Source: Clean, dry compressed air
Operating Pressure: 0.4 - 0.7 MPa
Rotation Angle: 90 degrees
Types: Double-acting (air to open & close) and Spring-return (auto-close on air failure)
Key Features: Compact structure, fast response, and high reliability
Ideal for the automated control of ball valves and butterfly valves in various industrial applications.

Name | Quantity | Material | Anti-corrosion Treatment | Optional Materials |
Indicator Screw | 1 | Plastic | - | - |
Indicator | 1 | Plastic | - | - |
Axle Block | 1 | Stainless Steel | - | - |
Metal Washer | 1 | Stainless Steel | - | - |
Outer Gasket | 1 | Engineering Plastics | - | - |
Inner Gasket | 1 | Engineering Plastics | - | - |
Upper Shaft-ring | 1 | Engineering Plastics | - | - |
Lower Shaft-ring | 1 | Engineering Plastics | - | - |
Upper Shaft O-ring | 1 | Nitrile Rubber | - | Viton Rubber; Silicone Rubber |
Lower Shaft O-ring | 1 | Nitrile Rubber | - | Viton Rubber; Silicone Rubber |
Adjusting Rod | 2 | Nitrile Rubber | - | Viton Rubber; Silicone Rubber |
Piston O-ring | 2 | Nitrile Rubber | - | Viton Rubber; Silicone Rubber |
End Cap O-ring | 2 | Nitrile Rubber | - | Viton Rubber; Silicone Rubber |
Match Set (Screw) | 2 | Nitrile Rubber | - | Viton Rubber; Silicone Rubber |
Nut | 2 | Stainless Steel | - | - |
Adjusting Bolt | 2 | Stainless Steel | - | - |
Piston | 2 | Die-cast Aluminum Alloy | Hard Oxidation | - |
Piston Guide | 2 | Engineering Plastics | - | - |
Cylinder | 1 | Aluminum Alloy | Hard Oxidation | - |
Adjustment Block | 1 | Carbon Steel | Nickel Plated | - |
Axle | 1 | Carbon Steel | Nickel Plated | Stainless Steel |
Spring | 0 - 12 | Spring Steel | - | - |
End Cap | 2 | Die-cast Aluminum Alloy | Powder Coating | - |
End Cover Fastening Bolt | 8 | Stainless Steel |
Deeply rooted in sealing, leading the industry in valve fit: Founded in 2002 as "Lianyi Seals Factory," we have specialized in the production of PTFE seals for valves for over 20 years. In 2012, we expanded into full-service valve manufacturing. Leveraging years of accumulated sealing expertise, we achieve valve seal precision and valve body fit far exceeding industry standards.
Brass base material, ensuring quality from the source: 100% of the brass raw material used in our valves complies with national standards, strictly avoiding impurities. This core material ensures long-term stable operation of the valves, eliminating safety hazards and performance failures caused by base material issues.
Full-service chain, backed by over a decade of OEM/ODM experience: With over a decade of OEM and ODM experience, we offer a comprehensive service offering from product design and R&D to production and delivery. We precisely match customer needs and efficiently support the entire process, from solution implementation to delivery.
