High Quality for Manual Butterfly Valve Double Eccentric – Triple Eccentric Butterfly Valve – Nortech
High Quality for Manual Butterfly Valve Double Eccentric – Triple Eccentric Butterfly Valve – Nortech Detail:
Product Detail:
What is Triple Eccentric Butterfly Valve ?
Triple Eccentric Butterfly Valve is a premier valve well-suited for operation in light vacuum to high-pressure applications and ideally suited for applications requiring absolute zero leakage. Compared to gate, globe or ball valves of the same size and pressure class, Triple Eccentric Butterfly Valve provides space and weight savings while minimizing installation and maintenance costs.
Triple Eccentric Butterfly Valve Technical Specifications
Design | API 609/ASME B16.34 |
End Connection | Wafer/Lug/Double flanged |
Operation | Manual/Pneumatic/Electric |
Size Range | NPS 2″-60″(DN50-DN1500) |
Pressure Rating | ASME Class150-300-600(PN16-PN25-PN40) |
Body Material | Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel |
Seat Material | PTFE, RPTFE, PPL |
Temperature | -29℃ to 250℃ |
Our advantages of Triple Eccentric Butterfly Valve
Long service life:the valve can be open/closed up to 670,000 times
Ultra-Reliable seal performance:bi-directional zero leakage
No extra O-ring for sealing performance
Fire proof design
Stem blow-out proof structure
Easy maintenance to replace seat and disc
application for power station,petrochemical,gas line etc
Type of Operation for Triple Eccentric Butterfly Valve
Handle lever for resilient butterfly valves DN40-DN200.
Manual gearbox operator for the full range butterfly valves.
Pneumatic actuator for full range of butterfly valves
Electric actuator for full range of butterfly valves
Free stem without actuator,customized for clients with your own actuators.
Main Material List:
Parts |
Materials |
Body |
Cast iron, ductile iron, carbon steel, stainless steel |
Disc |
Nickel ductile iron / Al bronze / Stainless steel |
Seat |
EPDM / NBR / VITON / PTFE |
Stem |
Stainless steel / Carbon steel |
Bushing |
PTFE |
“O” ring |
PTFE |
Pin |
Stainless steel |
Key |
Stainless steel |
Product Show:
Appilcation:
This kind of Triple Eccentric Butterfly Valve is widely utilized in
Petrochemical, Water treatment, PSA, Power plant, Dry air compressor etc.
Product detail pictures:




Related Product Guide:
From the past few years, our firm absorbed and digested sophisticated technologies equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted into the growth of High Quality for Manual Butterfly Valve Double Eccentric – Triple Eccentric Butterfly Valve – Nortech, The product will supply to all over the world, such as: Afghanistan, kazan, Cape Town, Our company considers that selling is not only to gain profit but also popularize the culture of our company to the world. So we are working hard to give you the wholehearted service and willing to give you the most competitive price in the market

It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
