Back to Category >>products

Welded End Butterfly Valve DB63

(Triple Offset Butt Welding End Butterfly Valve)
(Triple Excentric BW End Butterfly Valve)
(Triple Offset High Performance Butterfly Valve)

Standards Applicable:
Design:  DIN3354
Face to face:  EN 558-1
Butt welding ends:  EN 12627
Inspection and test:  EN 12266-1

Pressure Rating::  PN10,16,25,40
Temperature Range:  -50°C~650°C
Size Range:   DN50~DN1400
Disc Sealing:    PTFE, Graphite Laminated
Operator:   Lever, Gear, Electric, Pneumatic, Hydraulic
Materials:    Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Standard:  C22.8 (1.0460) / GP240GH (1.0619/GS-C25),
Low temperature: TSTE355 (1.0566)
High temperature:  16Mo3 (1.5415) / GS-22Mo4 (1.5419),13CrMo4-5 (1.7335) / GS-17CrMo55 (1.7357)
Stainless steel1:  .4401 / 1.4404 / G-X6CrNi18.9(1.4308),G-X6CrNiMo18.10 (1.4408)

Design Description:
Laminate Seat Ring
Low friction between seat and disc of valve
“”Zero Leakage”" Sealing Design
Standard Laminated Resilient Disc Seal to 800°F(427℃)
Low torque enables the compact actuator and a long cycle life
Blow-out proof shaft
Optional stem extension
Metal to metal seated
Bi-directional service
Frictionless closure
ISO top flange
Optional locking device”

Application: Steam,gases, hot water, thermal oil, process water, vacuum facilities, ammonia etc.