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ZDLP electric single seat control valve
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ZDLP electric single-seat control valve, equipped with 3601L series of electronic straight trip electric actuator. Has a compact structure, light weight, action sensitive, large valve capacity, flow characteristics of precision, easy disassembly, etc. Widely used in precise control of gas, Liquid, steam and other media parameters such as pressure, flow, temperature, liquid level maintained at a given value. Particularly suitable for large pressure, allowing leakage is also large and not very clean media occasions.

This series of products are standard, bellows sealed, jacket insulation and other varieties. Product nominal pressure level PN16,40,64; Nominal diameter range DN25 ~ 400. Applicable fluid temperature -250 ℃ ~ + 560 ℃ range of a variety of grades. Leakage standards for the class Ⅱ or Ⅳ level. Flow characteristics of linear or equal percentage. Variety of different specifications to choose from.

Main parts materials:

Body, bonnet: HT200, ZG230 ~ 450, ZG1Cr18Ni9Ti 
Spool, stainless steel bellows gasket: rubber asbestos board, 1cr18Ni9Ti, graphite spiral wound gasket stem, putter: 2Cr13,1Cr18Ni9Ti 
Bushing: 2Cr13


The main technical parameters:

Nominal diameter mm 20 25 32 40 50 65 80 100 125 150 200 250 300 400
Seat diameter mm 20 26 32 40 50 66 80 100 125 150 200 250 300
Rated flow coefficient kv 
6.9 11 17.6 27.5 44 69 110 176 275 440 690 1000 1600 2700
Nominal pressure (MPa) 0.6, 1.6, 2.5, 4.0, 6.4
Travel (mm) 10 16 25 40 60 100
Flow characteristics Straight line, equal percentage, quick open
Operating temperature ℃ -40 ~ 230 ℃ (room temperature type), heat sink type 230 ~ 450 ℃ (medium temperature type), special order -100 ~ 600 ℃
Flange size Compliant with JB78-59, JB79-59 standard, according to JB / 79.1-94, JB, ANSI, JIS, DIN and other standard order production
Body material WCB (ZG230-450), ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti CF8 CF8M
Spool material 1Cr18Ni9, SS304, 0Cr18Ni12Mo2Ti, SS316, ZG1Cr18Ni9Ti
Body type Through the two-seat cast ball valve
Upper valve cover type Ordinary (normal temperature), hot (medium temperature), long neck (low temperature)
The valve body allows for differential pressure ≤ nominal pressure 4.0 3.4
Equipped with electric actuator model PSL PSL-201 PSL-202 PSL-204 PSL-208 PSL-312 PSL325
361L 361LSA-08 361LSA-20 361LSB-30 361LSB-50 361LSC-65 361 LSC-99
Explosion-proof 361LXA-20 361LXB-30 361LXB-50

Structure:

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