GB / ANSI Pneumatically Operated Butterfly Valvefor 0.4 MPa Air Pressure
Negotiable /Piece
Min.Order:1 Piece
Zhejiang yongsheng technology co.,ltd.
Wafer / Flange ANSI Butterfly Valve , Pneumatic Rubber Lined Butterfly Valve Class 150
Pneumatic diaphragm intelligent single seat Automatic Control Valve 150lb ~ 2500lb
Pneumatic diaphragm intelligent Automatic Control Valve pressure balanced single-seat
Oil / Water / Steam Automatic Control Valve with Cast Stainless Steel JIS DIN GB
Automatic Steam Jacketed Valves , Intelligent Pneumatic Diaphragm Control Valve
FEP lined Automatic Control Valve Light Weight Impact Structure Corrosion Resistance
GB / ANSI Pneumatically Operated Butterfly Valve for 0.4 MPa Air Pressure
Pneumatic piston low load on-off butterfly valve
ZSHW Series of Ventilating Butterfly Valve, its body, valve disc are welded by the steel processing, it\'s a kind of light weight, simple structure, convenient operation butterfly valve. Equipped with gear, rack type double piston pneumatic actuator or electronic type electric actuator, which suitable for low differential pressure, not high air leakage requirement sites, and other gas flow& pressure control condition, as well as for the condition of high temperature gas.
Table 1
Item |
Part |
Materials |
1 |
Body |
Q235B,304,316 |
2 |
Disc |
Q235B,304,316 |
3 |
Guide sleeve |
QAl9-4,316 |
4 |
Lower cover |
Q235B,304,316 |
5 |
Bearing |
Bearing steel |
6 |
Lower stem |
304,316 |
7 |
Upper stem |
304,316 |
8 |
Packing gland |
304 |
9 |
Packing |
PTFE,Flexible graphite |
10 |
Stud |
35,304 |
11 |
Nut |
45,304 |
Specification and Technical Parameter
Table 2 Rated Flow Coefficient
DN(mm) |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
Rated Kv |
405 |
1150 |
2030 |
3150 |
4550 |
6200 |
8100 |
10260 |
13500 |
19800 |
DN(mm) |
700 |
800 |
900 |
1000 |
1100 |
1200 |
1300 |
1400 |
1500 |
1600 |
Rated Kv |
27000 |
35700 |
44600 |
55080 |
66650 |
81000 |
95060 |
110250 |
125000 |
144000 |
Table 3 Technical Parameter
DN(mm) |
DN100~1600(4”~64”) |
PN(MPa) |
0.25,0.6 |
Inherent flow characteristic |
EQ% |
Pneumatic actuator type |
Single acting,Double acting |
Supply air pressure(MPa) |
0.4 |
Electronic actuator |
According to the required torque |
Voltage |
220V.AC 50Hz 380V.AC 50Hz(Three-phase) |
Connection |
PN≤0.6MPa HG/T20592-2009 RF |
Working temperature (℃) |
Carbon steel:-20~425℃,Stainless steel:-40~595℃ |
Note:The thickness of flange according to HG/T20592-2009 PN0.25MPa.
Table 4 Main Performance Parameter
Item |
Description |
Open type |