OEM Worm Gear Grooved Butterfly Valve Fire Signal Remote Control Manufacturers, Factories
Product Description
Grooved butterfly valves are beneficial in situations that require frequent maintenance or modifications, including HVAC (heating, ventilation, and air conditioning), fire protection systems, water treatment, and industrial processes.
A butterfly valve is a valve that can be used to isolate or regulate flow. The closing mechanism takes the form of a disc. The operation is similar to a ball valve, allowing for quick closure. Butterfly valves are often favored because they are lower cost and lighter than other valve designs, meaning less support is required. The valve disc is located in the center of the pipe, and through the valve disc is a stem that connects to the valve's external actuator. The rotary actuator rotates the valve disc either parallel or perpendicular to the fluid. Unlike ball valves, the disc is always present in the fluid, so there is always a pressure drop in the fluid regardless of valve position.
Quick Operation & Flexibility
The grooved butterfly valve is flexible in operation and can be opened or closed quickly. It is suitable for some occasions that require quick response.
Easy Installation & Maintenance
The grooved butterfly valve has a simple structure and is easy to install. It is suitable for some occasions that require frequent operations.
Worm Gear Signaling System
The worm gear groove butterfly valve adopts worm gear and worm drive. As the cam rotates, the contact on the signaling device is pressed down or released according to the predetermined position, and the "on" and "off" electrical signals are output accordingly to display the opening and closing status of the butterfly valve.
| Size & Pressure Rating & Standard | |
| Size | DN40-DN300 |
| Pressure Rating | PN10, PN16, CL150, JIS 5K, JIS 10K |
| Face to Face STD | API609, BS5155, DIN3202, ISO5752 |
| Connection STD | PN6, PN10, PN16, PN25, 150LB, JIS5K, 10K, 16K, GOST33259 |
| Upper Flange STD | ISO 5211 |
| Material | |
| Body | Cast Iron (GG25), Ductile Iron (GGG40/50), Carbon Steel (WCB A216), Stainless Steel (SS304/SS316/SS304L/SS316L), Duplex Stainless Steel (2507/1.4529), Bronze, Aluminium Alloy. |
| Disc | DI+Ni, Carbon Steel (WCB A216), Stainless Steel (SS304/SS316/SS304L/SS316L), Duplex Stainless Steel (2507/1.4529), Bronze, DI/WCB/SS coated with Epoxy Painting/Nylon/EPDM/NBR/PTFE/PFA |
| Stem/Shaft | SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel |
| Seat | NBR, EPDM/REPDM, PTFE/RPTFE, Viton, Neoprene, Hypalon, Silicon, PFA |
| Bushing | PTFE, Bronze |
| O Ring | NBR, EPDM, FKM |
| Actuator | Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator |
What are the primary applications of grooved butterfly valves?
They are widely used in systems requiring fast assembly, regular maintenance, or system changes, including HVAC networks, fire protection sprinkler systems, water treatment installations, and general industrial process piping.
How does a worm gear groove butterfly valve indicate its status?
The valve utilizes an internal cam driven by a worm gear. As the cam rotates, it presses or releases contacts on an integrated signaling device, transmitting open and close electrical signals to remotely confirm valve status.
What are the main advantages of butterfly valves over ball valves?
Butterfly valves are typically more cost-effective, significantly lighter in weight, and take up less pipeline space, which minimizes the need for heavy structural pipe supports while still offering fast quarter-turn operation.
Is there always a pressure loss with butterfly valves?
Yes. Because the valve disc remains positioned in the fluid flow path even when fully open, a continuous, minor pressure drop occurs across the valve at all times.
What actuation methods are available for these valves?
Depending on operation needs, grooved butterfly valves can be fitted with standard hand levers, precision gearboxes, electric actuators, or pneumatic actuators for automated fluid control.
