Basic Info.
Connection Form
Flange
Driving Mode
Electric
Nominal Pressure
Pn16
Channel
Straight Through Type
Structure
Fixed Ball Valve
Type
Flexible Ball Valve
Function
Atmospheric Valve
Temperature
Normal Temperature
Application
Industrial Usage, Household Usage
Body Material
Stainless Steel
Certificate
CE RoHS
Voltage
12V, 24V DC, 24V AC, 110V ,AC220V
Transport Package
Wood and Packing Box
Specification
CE ROSH ISO90001
Trademark
COVNA
Origin
Dongguan, China
HS Code
84818010
Production Capacity
99999
Product Description















Product introduction
COVNA electric ball valve using silica sol precision casting, high platform design,
which connect with the electric actuator without bracket and connecting shaft,
can be used as a switch truncation effect, also can be used as flow control function.
Through selection of the valve body, seat materials suitable for different working medium.
The control part adopts electric actuator, pneumatic actuator to achieve automatic control.
Design manufacturing standard
Types | GB | ASME | DIN | JIS |
Design | GB/T12237/1989 | ASME B16.34 API608 | DIN 3357/1 2EN12516-1 | ASME B16.34 API608 |
Pressure class | PN116-PN40 | ASME B16.34 CLASS 150 ASME B16.34 CLASS 300 | DIN3357/EN 12516-1 PN10-PN40 | JIS B2001 10K JIS B2001 20K |
Structure length Face to face | GB/T12221 | ASME B16.10 | DIN 3202 | JIS B2002 |
Flange size | GB/T9113 JB/T79 | ASME B16.5 | DIN 2543-2545 | JIS B2212 JIS B2214 |
Inspection Testing | GB/T13927 | API 598 | DIN 3230/3 | JIS B2003 |
Fire safe | API 607 | API 607 4 th1993 | API 607 4 th1993 | API 607 4 th1993 |
Body
Nominal size: DN15-DN200
Body material: WCB, 304, 316, 316L
Connection type: Flange
Pressure class: PN16-PN4.0MPa
Structure type: Floating ball core
Valve components
Seat material: PTFE: -30~180C
PPL: -30~250C
Core material: 304, 316, 316L
Stem material: 304
Applicable medium: Water, oil, steam, etc
Performance
Fire protection design
ISO5211 standard direct mounting actuator
Antistatic device between the core and the valve body
Stem explosion-proof design
Double butterfly shaped spring automatic compression packing design
Allow pressure differential: Less than nominal pressure 1.6MPa
Leakage: Zero leakage
Return difference: ±2.5%
Electric actuator
On-off type: feedback signal: Passive contact signal/4-20mA/ resistance signals.
Regulation type: Input signal 4-20mA/0-10V/1-5V;
Feedback signal: 4-20mA/0-10V/1-5V
Voltage: AC220V380V110V24V,DC12V24V etc; Special voltage can be customized.
Explosion-proof class: Can be choose explosion-proof type EX d IIBT4
Type | Control type | Function |
Electric actuator | ON-OFF type | Feedback: the active signal, passive contact signal, resistance, 4-20mA |
Regulation type | Input and output signal: 4-20mA, 0-10v, 1-5v, switch, MODBUS, PROFIBUS field bus | |
Filed operation | The field, remote control switch regulation and MODBUS, PROFIBUS field bus |