wafer type worm type signal butterfly valve for fire fighting
wafer type worm type signal butterfly valve for fire fighting
Product Overview
The electrical signal device of the fire signal butterfly valve is designed on the top of the worm and worm gear drive device and is directly connected with the valve stem. In the precision fully enclosed electromechanical device, the mechanical indicator of the opening degree of the fire signal butterfly valve, imported electrical components and anti rust parts are set, and the output signal is stable for a long time.
Main material list
| parts | material |
| body | ductile iron |
| seat | EPDM, NBR,VITON, PTFE |
| disc | nickel ductile iron,AI bronze, stainless steel |
| stem | stainless steel |
| bushing | PTFE |
| "O" ring | PTFE |
| pin | stainless steel |
| key | stainless steel |
Pressure and temperature
| working pressure | PN16 |
| testing pressure |
shell: 1.5 times rated pressure seat: 1.1 times rated pressure |
| working temperature |
-10 °C to 80°C (NBR) -10 °C to 120°C (EPDM) |
| suitable media | water |
Q1: Can I have my own customized product?
A: Yes, your customized requirements for color, size, package, mark, etc.
Q2: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q3: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q4: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance,balance before shippment
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