KHLS electric single seat regulating valve
summary:
valve body
Type: Straight through single seat cast ball valve
Nominal diameter: 20, 25, 40, 50, 65, 80, 100, 150, 200mm
Nominal pressure: ANSI 125, 150, 300, 600
JIS 10、16、20、30、40K
PN1.6、4.0、6.4MPa
Connection type: flange connection: FF, RF, RJ, LG, groove type, embedded type
Flange standards: JIS B2201-1984, ANSI B16.5-1981, GB/T9112-9124-2000, etc
Welding connection: embedded welding SW
Materials: cast steel (ZG230-450), cast stainless steel (ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, ZG00Cr18Ni12Mo2Ti), titanium, etc
Upper valve cover: room temperature type (P): -17~+230 ℃
Elongation Type I (E1): -45~-17 ℃+230~+566 ℃
Elongation Type II (E2I): -100~-45 ℃
Extension type II (E2W): -196~-100 ℃
Note: The working temperature should not exceed the allowable range of various materials.
Cover type: bolt compression type
Packing: V-shaped PTFE packing, PTFE impregnated asbestos packing, asbestos braided packing, graphite packing
Valve components
Valve core type: single seat plunger valve core
Flow characteristics: percentage characteristic (%) and linear characteristic (L) of metal valve seat, refer to the flow characteristic curve graph
The high-precision flow characteristics with Cv values ranging from 0.04 to 14 comply with the IEC534-2 standard
Soft valve seat: equal percentage characteristic (%) and linear characteristic (L), refer to the flow characteristic curve graph
Note: For the working temperature and pressure difference of PTFE valve seats, refer to the flow characteristic curve diagram
Materials: Stainless steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti, 17-4PH, 9Cr18, 316L), stainless steel overlay with Stellite alloy, titanium, and corrosion-resistant alloys, etc
Electric actuator
Type: DKZ series electric actuator; 361L series electronic electric actuator; RS series electric actuator; PSL series electronic electric actuator
Input signal: DKZ actuator: Type II 0-10mA · DC (input resistance 200 Ω); Type III 4-20mA · DC (input resistance 250 Ω) 361L actuator: 4-20mA · DC or 1-5V (input resistance 250 Ω) RS actuator: 0-10mA · DC, 4-20mA · DC PSL actuator: 4-20mA · DC
power supply voltage
DKZ actuator: 220V, 50Hz.
361L actuator: 220V, 50/60Hz.
RS actuator: single-phase control 220V · AC ± 5%; Three phase control 380V ± 5%.
PSL actuator: single-phase control 220V, 50Hz
Manual mechanism: DKZ actuator: Handwheel; 361L actuator: clutch type; RS actuator: handwheel; PSL actuator: Handwheel
Environmental temperature: -20 to+60 ℃
Valve action type: electrically closed or electrically open
Pneumatic actuator
Type: LHA multi spring diaphragm actuator, LVA5 single spring diaphragm actuator, LVA6 single acting cylinder piston actuator, LVP double acting cylinder piston actuator
Diaphragm material: Ethylene propylene rubber with nylon cloth, Nitrile rubber with nylon cloth
Spring range: 20-100, 80-240 kPa (LHA, LVA5 type), 190-350, 190-400 kPa (LVA6 type)
Gas supply pressure: 140-400kPa (LHA type), 140-280kPa (LVA5 type), 400-500kPa (LVA6 type), 300-500kPa (LVP type)
Air source interface: Rc1/4 "
Environmental temperature: -30 to+70 ℃
Valve action type: using positive or negative acting actuators to achieve gas closed or gas open valve operation
Attachment locator, air filter pressure reducer, holding valve, travel switch, valve position transmitter, solenoid valve, handwheel mechanism, etc
Performance of KHLS electric single seat regulating valve
Leakage rate: Metal valve seat: less than 0.01% of the rated capacity of the valve, in compliance with ANSI B16.104-1976 Class IV
Soft seat: 10-7 less than the rated capacity of the valve, in compliance with ANSI B16.104-1976 Class IV
Return difference: Pneumatic with locator: less than 1% of full stroke, without locator: less than 3% of full stroke (LHA1 type less than 5% of full stroke)
The electric DKZ actuator is 1.5%; 2% for 361L actuator; 1% for RS execution mechanism; Equipped with PSL actuator at 1%
Basic error: Pneumatic with locator: less than ± 1% of full stroke, without locator: less than ± 5% of full stroke
The electric actuator with DKZ actuator has a tolerance of ± 2.5%; Equipped with 361L actuator for ± 2%; Equipped with an RS actuator of ± 1%; Equipped with PSL actuator for ± 1%
Note: Standard V-shaped polytetrafluoroethylene packing is used
Adjustable range 50:1 (0.25 ≤ Cv ≤ 14) or 30:1 (CV ≤ 0.16)
|
Nominal Diameter |
A |
|
ANSI 125FF ANSI 150RF JIS 10K Ff,RF PN1.6 |
JIS 16K RF |
ANSI 300RF JIS 20K RF JIS 30K RF PN4.0 |
ANSI 600RF JIS 40K RF PN6.4 |
ANSI 150 RJ |
ANSI 300 RJ |
ANSI 600 RJ |
JIS 20K groove type embedded type |
JIS 30K groove type embedded type |
ANSI 300 LG |
ANSI 600 SW、BW |
|
twenty |
one hundred and eighty-four |
one hundred and ninety |
one hundred and ninety-four |
two hundred and six |
- |
two hundred and six |
two hundred and six |
one hundred and ninety-eight |
two hundred and eight |
two hundred and three |
two hundred and six |
|
twenty-five |
one hundred and eighty-four |
one hundred and ninety-three |
one hundred and ninety-seven |
two hundred and ten |
one hundred and ninety-seven |
two hundred and ten |
two hundred and ten |
one hundred and ninety-eight |
two hundred and twelve |
two hundred and six |
two hundred and ten |