China Stainless Steel Chain Wheel for Valve Operation - Reliable Factory Supplier for Hygiene and Chemical Resistance
In pharmaceutical, food-processing, and offshore marine environments, standard painted actuators are a severe liability due to chemical washdowns and salt-spray oxidation. Veyron Valve’s Stainless Steel Chain Wheel is engineered specifically to eliminate paint-flaking and rust contamination. Fabricated from solid SS304 or SS316, this unpainted, electropolished actuator withstands harsh CIP (Clean-in-Place) chemicals, acidic sanitizers, and marine atmospheres, ensuring full compliance with international sanitary and safety regulations.
As visible in our heavy-duty design, this wheel avoids complex cast pockets where moisture, bacteria, or corrosive salts can harbor.
The solid spoke arms are welded to the hub using gas-tungsten arc welding (GTAW) and passivated. This eliminates surface porosity and micro-cracks.
The dual-bolt clamping mechanism mounts directly onto native handwheels without pipeline shutdown. The heavy-duty stainless steel hex bolts provide high clamping force, preventing slippage under sudden torque loads while maintaining structural balance on the valve stem.
Technical Specifications
| Technical Feature | Engineering Specification |
|---|---|
| Body Material | Stainless Steel SS304 (CF8) / SS316 (CF8M) |
| Standard Diameters | 200mm / 290mm / 410mm / 574mm (Custom sizes available) |
| Valve Size Range | Suitable for valve sizes from DN50 to DN1200 |
| Attachment Style | Direct Concentric Clamping (No valve disassembly) |
| Fasteners & Hardware | High-Tensile Stainless Steel Hex Bolts |
| Surface Treatment | Electropolished / Satin Passivated |
This stainless steel series is widely utilized to operate overhead chemical dosing valves, sterile steam lines, and marine ballast systems. The non-sparking properties of austenitic stainless steel make it exceptionally safe for explosive atmospheres (ATEX zones). By routing a stainless steel link chain through our integrated, low-friction guide loop, operators can safely run critical isolation cycles from the floor level, bypassing the need for hazardous ladder climbing or costly electrical automation.
Frequently Asked Questions (FAQ)
Q: What materials are used to construct the chain wheels?
They are fabricated from solid Stainless Steel SS304 (CF8) or SS316 (CF8M) and finished with electropolishing or satin passivation to prevent paint-flaking and rust contamination.
Q: Do I need to shut down the pipeline to install this chain wheel?
No. The concentric clamp hub features a dual-bolt clamping mechanism that mounts directly onto native handwheels, allowing installation without valve disassembly or pipeline shutdown.
Q: What valve sizes are these chain wheels compatible with?
The chain wheels are suitable for a wide range of valve sizes from DN50 to DN1200, with standard diameters of 200mm, 290mm, 410mm, and 574mm, as well as custom sizes.
Q: Can these chain wheels be used in explosive environments?
Yes. The non-sparking properties of the austenitic stainless steel make them exceptionally safe for explosive atmospheres (ATEX zones).
Q: How does the design prevent bacterial contamination?
The heavy-duty design avoids complex cast pockets where moisture, bacteria, or corrosive salts can harbor, making it ideal for sanitary and CIP (Clean-in-Place) environments.

