Double flange butterfly valve widely used in kinds of tubes of service and draining water, fire control in construction and so on, especially in the fire fighting pipeline.
- Structure length comply with international standard, facilitate international sales.
- Body lining of rubber vulcanization ensure a stable driving torque.
- Ends of body rubber vulcanization adopt water line to fulfill various forms of the flange sealing requirements.
- Apply for single standard valve installation.
- Clients can choose lever, worm gear, pneumatic apparatus, electronic apparatus or combination driving operation according to working requirements.
- Bolt fittings convenient in maintaining and replacing.
- Simple structure, pins connect the stem and plate of valve, steadily positioning.
- The customers can independently choose the plate(electroplating, nylon plating coating, epoxy coating) according to requirements.
- The shaft seal can be use copper line and O ring combined sealing, lower part of the stem adopt bearing structure under positioning.