Small-caliber single-seat control valve

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Small caliber single seat regulating valve can be used to control various pressure and temperature f…

A brief introduction:
HLS seriesSmall-caliber single-seat control valveIt can be used to control a variety of different fluid pressure and temperature, the valve S streamlined channel, pressure drop, flow rate, wide adjustable range and high precision control valve flow characteristics, equipped with multi spring diaphragm actuator, compact structure, large output force.Small caliber single seat control valve has the advantages of compact structure, conforms to the IEC534 standard.Valve leakage in line with ANSI B16.104 standard.The valve is equipped with multi spring diaphragm actuator, which has the advantages of compact structure, large output force, products comply with GB/T4213-92.
Two,Small-caliber 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,Small-caliber single-seat control valveThe 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, the elongation of type II (E2): integral (E2I): -100 ~ -45 welding type C (E2W): -196-100 c;
10, gland type: bolt clamp;
11, packing: V PTFE, PTFE impregnated asbestos packing, asbestos braid packing.
Four, valve assembly:
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,Small-caliber single-seat control valveThe 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:

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:

B. gas valve open

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:

Note: the flange from conforms to the IEC534-3 standard.
Nine, size mm:

Note: the H column is not size regulating valve with hand wheel, if the belt wheel mechanism to the corresponding plus hand wheel size.
The weight of Kg
10, flange:

11, welding connection:

Design selection and ordering information:
1, product type and name;
2, nominal diameter DNmm;
3, the nominal pressure;
4, flow characteristics;
5, the body material and trim materials;
6, medium type and temperature range;
7, the valve before and after the pressure (differential pressure);
8, seal form;
9, accessories.