The valve body
Nominal size: DN40 - DN3000
Body material: nodular cast iron, WCB, 304, 316
Connection: clamp, flange and lug
Levels of stress: PN1.0, 1.6, 2.5, 4.0 MPa
Structure: eccentric structure
 
In the valve components
Seat tightness: EPDM: - 30 ℃ ~ 120 ℃
NBR: - 30 ℃ ~ 80 ℃ 
PTFE: - 30 ℃ ~ 140 ℃
VITON: - 30 ℃ ~ 150 ℃
Plate material: nodular cast iron nickel plating, nylon coating, aluminum bronze, 304, 316 ,316L, 1.4529, 2507
Stem material: stainless steel 410, 304
Applicable media: water, liquid, gas, oil, powder, steam, acid and alkali corrosive medium.
 
Design manufacturing standard
Design and manufacture: GB/t12238-2008
Connection standard: JB/T 79.1-1994
Structure length: GB/t12221-2005
Stress test: GB/t13927-2008

Electric actuator
Switch type: feedback signal: no source contact signal \ 4-20ma \ resistance signal
Modulating type: input signal 4-20ma \ 0-10v \ 1-5v; Feedback signal: 4-20ma \ 0-10v \ 1-5v
Voltage: AC220V \ 380V \ 110V \ 24V, DC12V \ 24V, etc. Special voltage can be customized
Explosion-proof grade: explosion-proof type EXdIIBT4