Single seat regulating valve
Description:
A brief introduction:
HTS seriesSingle seat control valveIs a top guide structure regulating valve, the valve fluid channel was streamlined S, the pressure drop, flow rate, wide adjustable range and high precision valve flow characteristic curve, oriented area, good vibration resistance.The valve is equipped with multi spring diaphragm actuator, compact structure, large output force.Can be used to control various fluid pressure and temperature.
Two,Single seat control valveThe performance:
1, leakage: metal seat: meet ANSIB16.104 IV, less than the rated Cv 0.01%;
2, soft seat: meet ANSIB16.104 VI, less than the rated;
3, quick opening valve: less than rated Cv 0.00001%;
4, return difference: 1% (with locator); 3% (without locator);
5, linear: + l% (with a locator); + 5% (without locator);
6, note: V PTFE standard;
7, adjustable range: 50 to L (Cv = 1) or 30 (Cv = 0.63): 1.
Three,Single seat control valveThe main technical parameters:
1 types: direct single seat casting ball valve;
2, nominal diameter: 20, 25mm;
3, nominal pressure: SD-HLSI125, 150, 300, 600, 10, 16, 20; JIS, 30, 40K PNl.6, 4, 6.4MPa
4, connection type: flange type: FF, RF, RJ and LG; according to standard of ANSI Bl6.5, JISB2201JB/T79.1PNl.6MPa JB/T79.2, concave convex surface;
5, welding weld type: SW;
6 material: HT200ZG25 ZG1Cr18Ni9; ZG0Cr17Ni12Mo21.25Cr0.5Mo5.0Cr0.5Mo, SDPH21SCPH61Ti;
7, valve cover: normal temperature type (P):-l7 ~ +230 c;
8, elongation type 1 (E1):-45 ~ -17 ~ +566 C C, +230;
9, elongation of type II (E2): integral (E2I): -100 ~ -45 welding type C (E2W): -196-100 c;
10, gland type: bolt cl
11, packing: V PTFE, PTFE impregnated asbestos packing, asbestos braid packing.
The four component, single seat control valve of the valve:
1, spool type: single seat plunger type valve;
2, flow characteristics: metal seat: Cv value from high precision flow characteristics of 0.4 ~ 14 with IEC534-2;
The scope of work: 3, soft seat, working temperature and pressure welding division Chatterley working temperature and pressure difference;
4, material: 1Cr18Ni9 division stellite alloy surfacing 9Crl8MoV.
Five, actuator:
1, type: HA multi spring diaphragm actuator;
2, the diaphragm material: rubber nylon clip;
3, spring range: 0.02 ~ 0.10, 0.08 ~ 0.24MPa;
4, air pressure: 0.14, 0.16, 0.28, 0.40MPa;
5, joint source: Rc l/4;
6, the environment temperature: -30 ~ +70 c;
7, valve type: gas - gas - open or closed;
8, annex: locator, hand wheel, pneumatic valve position transmitter.
Six, value and travel:
Spool type | The seat and the flow characteristics | Rated travel | Zero point zero one | Zero point zero four | Zero point one | Zero point one six | Zero point two five | Zero point four | Zero point six three | One | One point six | Two point five | Four | Six point three | Ten | Fourteen |
Plunger valve | Metal seat | The percentage (%) | 14.3mm |
|
|
|
| 2003 | Delta | Delta | Delta | Delta | Delta | Delta | Delta | Delta | Delta |
Linear (L) | 2003 | 2003 | 2003 | 2003 | 2003 | Delta | Delta | Delta | Delta | Delta | Delta | Delta | Delta | Delta |
soft seat | The percentage (%) |
|
|
|
| 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 |
Linear (L) |
|
| 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 | 2003 |
Nominal diameter | Twenty | B. | B. | B. | B. | B. | B. | B. | B. | B. | B. | B. | B. |
|
|
Twenty-five | B. | B. | B. | B. | B. | B. | B. | B. | B. | B. | B. | B. | B. | B. |
Note: 1, symbols, and delta said valve specifications.2, the symbol said the flow characteristic of the valve according to the standard of IEC 534-2.
Seven, allow pressure:
1. The plunger valve, metal seat (%CF, LCF) A. gas - off valve 100KPa
Actuator | Air pressure | Spring range | Positioner | Allowable differential pressure |
The rated value of Cv |
Less than 0.25 | Zero point four | Zero point six three | One | One point six | Two point five | Four | Six point three | Ten | Fourteen |
DKA1D | One point four | From 0.2 to 1 | With or without | 40* | Thirty-one | Thirty-one | Sixteen | Sixteen | Ten | Ten | Five point six | Four point two | Two point six |
Fifty-six |
One point six | From 0.2 to 1 | Yes | 40* | 40* | 40* | 40* | 40* | 40* | 40* | Twenty-eight | Twenty-one | Thirteen |
One hundred | One hundred | One hundred | Eighty-four | Eighty-four | Fifty-two | Fifty-two |
Four | 0.8 ~ 2.4 | Yes | - | - | - | - | - | 40* | 40* | 40* | 40* | Thirty-nine |
One hundred | One hundred | Eighty-four | Eighty-four |
DKA2D | One point four | From 0.2 to 1 | With or without | 40* | 40* | 40* | Thirty-two point six | Thirty-two point six | Twenty | Twenty | Ten point nine | Eight point two | Five |
One hundred | Sixty-two | Sixty-two |
One point six | From 0.2 to 1 | Yes | - | 40* | 40* | 40* | 40* | 40* | 40* | 40* | 40* | Twenty-five point two |
One hundred | One hundred | One hundred | One hundred | One hundred | One hundred | Fifty-four |
Four | From 0.8 to 2.4 | Yes | - | - | - | - | - | - | - | 40* | 40* | 40* |
One hundred | One hundred | Seventy-five |
B. gas valve open
Actuator | Air pressure | Spring range | Positioner | Allowable differential pressure |
The rated value of Cv |
Less than 0.25 | Zero point four | Zero point six three | One | One point six | Two point five | Four | Six point three | Ten | Fourteen |
DKA1R | One point four | From 0.2 to 1 | With or without | 40* | Thirty-one | Thirty-one | Sixteen | Sixteen | Ten | Ten | Five point six | Four point two | Two point six |
Fifty-six |
Two point eight | 0.8 ~ 2.4 | Yes | 40* | 40* | 40* | 40* | 40* | 40* | 40* | Thirty-nine | Twenty-nine | Eighteen |
One hundred | One hundred | One hundred | One hundred | One hundred | Seventy-two | Seventy-two |
DKA2R | One point four | From 0.2 to 1 | With or without | 40* | 40* | 40* | Thirty-two point six | Thirty-two point six | Twenty | Twenty | Ten point nine | Eight point two | Five |
One hundred | Sixty-two | Sixty-two |
Two point eight | From 0.8 to 2.4 | Yes | - | 40* | 40* | 40* | 40* | 40* | 40* | 40* | 40* | Thirty-five |
One hundred | One hundred | One hundred | One hundred | One hundred | One hundred | Seventy-six | Fifty-six |
Note: 1. does not exceed the maximum allowable pressure of ANSI B16.34 or JIS B2201 standard maximum working pressure.
Figure 2. the same box above said valve is normally open to allow pressure, under the digital representation allows the differential pressure valve is fully closed when the.
Allow pressure 3. with *, valve control liquid, allowing the pressure is only 3MPa, more than 3MPa, please use the LHLC valve.
4. ash bottom box number indicates valve equipped with standard actuator.
Eight, flange from mm:
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 embedded type groove | JIS 30K embedded type groove | 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 |
Note: the flange from conforms to the IEC534-3 standard.
Nine, size mm:
Actuator | H | Phi B | C | E |
Room temperature P | Elongation type E1 | Elongation of type II E2I | Elongation of type II E2W |
DKA1D, R | Three hundred and seventy-five | Five hundred and twenty-five | Six hundred and eighty-five | Nine hundred | Two hundred and eighteen , | 230. | Forty |
DKA2D, R | Four hundred and fifty | Six hundred | Seven hundred and sixty | Nine hundred and seventy-five | Two hundred and sixty-seven | Two hundred and eighty-one | Forty |
Note: the H column is not size regulating valve with hand wheel, if the belt wheel mechanism to the corresponding plus hand wheel size.
10, flange:
Nominal diameter | Actuator | ANSI 125, 150 JIS 10K | ANSI 300, 600 JIS 16, 20, 30, 40K |
Room temperature (P) | Elongation type (E1) | Elongation type (E2I) | Elongation type (E2W) | Room temperature (P) | Elongation type (E1) | Elongation type (E2I) | Elongation type (E2W) |
20, 25 | DKA1D, R | Sixteen | Eighteen | Twenty-one | Twenty-six | Seventeen | Nineteen | Twenty-two | Twenty-seven |
DKA2D, R | Twenty-three | Twenty-five | Twenty-eight | Thirty-three | Twenty-four | Twenty-six | Twenty-nine | Thirty-four |
Eleven, welding connection:
Nominal diameter | Actuator | Room temperature (P) | Elongation type 1 (E1) | Elongation of type II (E2I) | Elongation of type II (E2W) |
20, 25 (SW) | SDA1D, R | Fourteen | Sixteen | Nineteen | Twenty-four |
SDA2D, R | Twenty-one | Twenty-three | Twenty-six | Thirty-one |
Design selection and ordering information:
1, product type and name;
2, the nominal diameter of DNmm;
3, nominal pressure;
The requirements of 4, flow characteristics;
5, body material and trim materials;
6, medium type and temperature range;
7, valve and pressure (pressure difference);
8, seal form;
9, accessories.