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ZARD electric regulating butterfly valve
PN16=16CL150LB=150 LB C=WCBLC=LCBP=CF8PL=CF3R=CF8MRL=CF3MD=Special Material
Product details
| product name： | Electric regulating butterfly valve | Product model： | ZARD |
| Drive mode： | electric | Connection form： | Flanges and clamps |
| structural style： | Triple eccentricity | Sealing material： | Metal clip graphite seal |
| Pressure range： | 1.6MPa | Nominal diameter： | DN50-DN600 |
| Common materials： | Carbon steel, stainless steel | technical advice： |
1、 Overview of ZARD Electric Regulating Butterfly Valve
ZARDElectric regulating butterfly valveAdopting intelligent control, electric or pneumatic actuators can be used to adjust parameters such as pressure, flow rate, temperature, and liquid level. It has the advantages of compact structure, strong functionality, small size, good sealing, reliable performance, simple matching, and large flow capacity, especially suitable for occasions where the medium is viscous, contains particles, or fibers. At present, this valve is widely used in industrial automatic control systems in industries such as food, environmental protection, light industry, petroleum, papermaking, chemical engineering, teaching and research equipment, and power.
Valve body type: flat casting shape
Valve core type: Three eccentric butterfly type
Nominal diameter: DN50~600 NPS 2 "~24"
Nominal pressure: PN16~25 CLASS 150LB
Connection method: flange, clamp type
Valve cover form: integrated type
Packing: V-shaped polytetrafluoroethylene, flexible graphite packing, etc
Sealing gasket: metal clip graphite seal
Executing Agency:
Electric: DTR series, 3810L series
Surface coating: Green acrylic polyurethane enamel
2、 ZARD Electric Adjustable Butterfly Valve Standard Specification
Valve core type: Three eccentric butterfly type
Nominal diameter: DN50~600 NPS 2 "~24"
Nominal pressure: PN16~25 CLASS 150LB
Connection method: flange, clamp type
Valve cover form: integrated type
Packing: V-shaped polytetrafluoroethylene, flexible graphite packing, etc
Sealing gasket: metal clip graphite seal
Executing Agency:
Electric: DTR series, 3810L series
Surface coating: Green acrylic polyurethane enamel
IIIModel designation of ZARD electric regulating butterfly valve
| Z | Executing Agency | R | structural style | -Nominal pressure | body material | Nominal Diameter |
| Z seriesSelf containedregulating valve |
S: Pneumatic piston actuator J: Pneumatic thin film actuator A: Electric DTR actuator R: Electric 3810R actuator |
R angular travel |
D: Standard hard seal regulating butterfly valve |
PN16=16 CL150LB=150 LB |
C=WCB |
DN50= DN50 |
4Performance of ZARD Electric Regulating Butterfly Valve
| Traffic characteristics | Approximately equal percentage | |
| Adjustable range | 50:1 | |
| Rated CV value | Full cavity CV 85~20500 | |
| trip | Fully open 90 ° and adjust 0-70 ° | |
| Allowable leakage amount | Hard seal: Class IV (0.01% valve rated capacity) Soft seal: Class VI (bubble level) | |
| Basic error% | Pneumatic ± 2 | Electric ± 2.0 |
| Return difference% | Pneumatic ≤ 1.5 | Electric ≤ 1.0 |
| Dead zone% | Pneumatic ≤ 0.6 | Electric ≤ 1.0 |
5Parameter Table for ZARD Electric Regulating Butterfly Valve Selection
| Nominal diameter DN (mm) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| Rated flow coefficient Cv | 85 | 180 | 240 | 390 | 690 | 1000 | 1760 | 3390 | 4730 | 6700 | 8900 | 10500 | 14800 | 20500 |
| PTFE packing, metal seal, allowable pressure difference unit MPa | ||||||||||||||
| Double acting pneumatic actuator | 1.45 | 0.54 | 0.79 | 0.42 | 0.34 | 0.1 | 0.27 | 0.17 | 0.12 | 0.19 | 0.11 | 0.04 | ||
| Single acting pneumatic actuator | 0.82 | 0.38 | 0.5 | 0.44 | 0.33 | 0.19 | 0.38 | 0.16 | 0.14 | 0.14 | 0.12 | 0.11 | ||
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