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ABOUT US
MaitoLead Group is a professional supplier of piping system products from China, focusing on fire protection, water supply, HVAC, and industrial pipeline applications.
We supply a wide range of valves and pipe fittings, including butterfly valves, gate valves, check valves, grooved fittings, malleable iron fittings, steel pipes, butt weld fittings, flanges, and related pipeline accessories.
For butterfly valves, we can provide different connection types and operation options, such as wafer butterfly valves, grooved butterfly valves, butterfly valves with tamper switch, and butterfly valves with lever handle. Our products are designed for reliable performance, easy installation, and stable project supply.
Our valve products are commonly used in fire protection systems, sprinkler systems, pump rooms, commercial buildings, water supply lines, HVAC systems, and industrial piping projects.
We can support customers with technical datasheets, product drawings, certificates, inspection reports, packing solutions, and export documents according to project requirements.
With stable supply capacity, quality control, and one-stop procurement service, MaitoLead Group helps customers save sourcing time, reduce communication costs, and complete project purchasing more efficiently.
We welcome customers to send us their product list, drawings, standards, or project requirements. Our team will check carefully and provide a suitable purchasing solution.
PRODUCT INFORMATION
The fire groove butterfly valve is a quick installation valve connected by groove type clamps, designed specifically for fire pipeline systems, with the characteristics of earthquake resistance, good sealing, and quick disassembly and assembly.
It achieves pipeline connection through groove clamps and rubber sealing rings, without welding, and is suitable for fire pipe network systems that require frequent maintenance and emergency operations.
| Product Name | Grooved Butterfly Valve with Tamper Switch |
| Connection Type | Grooved End |
| Size Range | DN50–DN200 |
| Working Pressure | DN50–DN150: 362 psi; DN200: 232 psi |
| Valve Standard | MSS SP-67 |
| Grooved Standard | AWWA C606 |
| Top Flange Standard | EN ISO 5211 |
| Temperature Range | 0–80°C |
| Application | Fire protection, sprinkler system, water piping |
| Installation | Indoor and outdoor use |
| Operation | Gear operator with tamper switch |
| Body Material | Ductile Iron |
| Sealing Material | EPDM |
| Disc Material | Ductile Iron and EPDM |
| Shaft Material | 1Cr17Ni2 |
| Bearing Bush | Bronze |
| O-rings | EPDM |
| Gear Operator | Ductile Iron and Steel |
| Temperature Range | 0–80°C |
| Application | Fire Protection, Sprinkler System, Water Supply, HVAC, Industrial Pipeline |
| Suitable Medium | Water and neutral liquid |
| Installation | Indoor and outdoor use |
| Available Options | Lever handle, tamper switch, gear operator, different pressure ratings |

FACTORY PRODUCTION
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Product Recommendation
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FAQ
It is mainly used in fire protection and sprinkler piping systems to control water flow and monitor the valve position. The tamper switch helps indicate whether the valve is open or closed.
Q7: What is the working pressure?