Valve Body Parameters
Nominal Size (DN) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
Valve Seat Diameter (dn) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
Rated Flow Coefficient (KV) | Single Seat | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 630 | 875 | 1250 |
Sleeve | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 360 | 570 | 850 | 1180 | |
Allowable Pressure (MPa) | Single Seat | 3.8 | 3.2 | 3.0 | 2.0 | 1.8 | 1.5 | 1.4 | 1.0 | 0,7 | 0.6 | 0.5 | 0.3 | 0.1 |
Sleeve | 6.4 | 6.4 | 5.2 | 5.2 | 4.6 | 4.6 | 3.7 | 3.7 | 3.5 | 3.1 | 3.1 | 2.6 | 2.2 | |
Nominal Pressure (MPa) | 1.6, 2.5, 4.0, 6.4, 10.0, 16.0, 25.0 | |||||||||||||
Rated travel (mm) | 16 | 25 | 40 | 60 | 100 | |||||||||
Bonnet | Standard Form (-17～+250℃), High-temperature Form (+250～+450℃), Low-temperature Form (-40～-196℃), Bellows Seal Form(-40～+350℃) | |||||||||||||
Bonnet type | Bolt Compression | |||||||||||||
Sealing gasket | V-type PTFE Filler, V-type Flexible Graphite Filler | |||||||||||||
Body Material | Carbon Steel(WCB, WCC), Stainless Steel(CF8, CF8M, CF3, CF3M, Duplex Stainless Steel 2520) | |||||||||||||
Trim Parameters
Structure | Single seat plunger type spool, Sleeve type spool |
Flow Characteristics | Linear, Equal Percentage |
Trim Material | Stainless Steel (304, 316, 316L) |
The matching actuator parameters are as follows:
Actuator Models | Imported (Rotork, Siemens, AUMA, Westbosch) and other customer-designated brands |
Main Technical Parameters | Power Supply Voltage: AC 220V, AC 380V; Special order DC 24V; (others) |
Input signal: 4-20mA or 1-5V•DC, Output signal: 4-20mA•DC; Special custom RS485 communication interface | |
Protection Level: Quite IP65, Explosion-proof Mark: ExdIIBT4 (optional BT6, CT4, CT6), Hand Function: Handle | |
Ambient Temperature: -25～+70℃, Ambient Temperature: ≤95% |
Performance Index
Electric Actuator Main Technical data
Nominal pressure: 1.6, 2.5, 4.0, 6.4 MPa
Valve material: Cast iron, cast steel, cast stainless
Inherent flow characteristic: Line, equal percent
Mode of Action: Electric open(K), electric close(B)
Temperature range: -20~250°C(normal temperature),-20~425°C(medium temperature)
Input single: 4~20mA
Voltage: 220V50Hz or 380V
Actuator rated travel: See sheet 1
Basic error: 1%, 1.5%
Dead zone: 0.5%~3%
Return difference: 1.5%
Control accuracy: ±1%
Protective degree：IEC145IP67
Allowing leakage volum: ZRLP meet ANSI B16.106 IV degree, ZRLN meet ANSI B16.106 II degree
Application temperature: Electric regulating valve -20~+80°C
Using situation humidity: Electric regulating valve ≦95%
Surrounding gas: Gas
Nominal Diameter | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |||
10 | 12 | 15 | 20 | |||||||||||||
Rated flow data ZRLP ZRLN kV | 1.2 | 2 | 3.2 | 5 | 8 | 12 | 20 | 32 | 50 | 80 | 120 | 200 | 280 | 450 | 700 | 1000 |
- | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1600 | ||||
Flow characteristic | Line; Equal percent | |||||||||||||||
Travel (mm) | 10 | 16 | 25 | 60 | 100 | |||||||||||
Action method | Electric open(K) Electric close(B) | |||||||||||||||
Signal(mA.DC) | 4~20mA DC etc. | |||||||||||||||
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