VC7300 straight through pneumatic piston type
Category ：VC7000 Series
Key words: VC7300 straight through pneumatic piston type
VC7300 straight through pneumatic piston type
Product name: VC7300 straight through high pressure regulating valve
Specifications: DN20-DN200
Product note: pneumatic/electric
Product category: VC7000 high pressure valve series
Features
Angle-type high-pressure valve can only be used for angle-type installation of the place, if there is no such pipeline, the pressure is quite high, the choice of straight-through high-pressure valve becomes a necessity. Straight-through high-pressure valve has the characteristics of straight-through installation, the valve body adopts forging type, pressure and temperature resistance performance is good. If the high pressure differential valve, VALCAM adopts multi-stage step-down anti-cavitation measures, greatly improving the service life of the valve. At the same time, the high-pressure valve adopts a snap-in automatic centering valve seat, which is very convenient for disassembly, maintenance and maintenance. Based on this, the straight-through high-pressure valve has the advantages of simple structure, convenient maintenance, proper material selection, reasonable structure and long service life, and is widely used in the straight-through installation of high-pressure clean fluid media such as electric power, metallurgy, and chemical industry.
parameters and performance
◆ Valve type: straight-through high-pressure structure
◆ Nominal diameter: DN20 ~ DN200
◆ Pressure rating: ANSI Class 900,1500,2500;
or JB/T79-94 PN10Mpa;PN22Mpa;PN32Mpa
◆ Flow characteristics: straight line, equal percentage
◆ Adjustable ratio: 30 : 1
◆ Allowable pressure difference: the allowable pressure difference of the valve is greater than the actual working pressure difference, and the size of the actuator is determined by the manufacturer according to the actual working pressure difference.
◆ Upper bonnet form:
Standard type:-20 ℃ ~ 230 ℃
Fin type:-45 ℃ ~-20 ℃;230 ℃ ~ 575 ℃
◆ Function form: gas open type; gas closed type; electric open type; electric closed type
◆ Performance indicators:
Allowable leakage rate of valve seat: Grade IV; Grade V
Return difference: with positioner, less than 1% of full stroke
Basic error: with positioner, less than 2% of full stroke
Dead zone: with positioner, less than 1% of full stroke
◆Actuators: pneumatic, electric, electronic, intelligent actuators
Pneumatic piston type: air source pressure: 0.3 ~ 0.7Mpa
Given pressure: 0.1 ~ 0.2Mpa
Allowable temperature:-10 ℃ ~ 70 ℃
Pneumatic diaphragm type: air source pressure: 0.25 ~ 0.3Mpa
Spring range: 40~200Kpa,60 ~ 180Kpa
Electric, electronic, intelligent type see separate selection of the actuator
◆Filler: reinforced PTFE V-type filler; PTFE asbestos; flexible graphite
◆ Connection mode:
Flange connection (FM, RJ type)
Butt Weld Connection (BW)
◆ Surface coating color: the appearance of the combination of aesthetic principles and special surface treatment, the appearance is very delicate and beautiful. The carbon steel valve body shall be uniform dark gray, the stainless steel valve body shall be natural color, the bracket connector shall be stainless steel natural color or dark gray, the actuator shall be yellow, and the handwheel seat shall be gray.
◆ Identification of components: The main components such as valve body, valve core, valve seat, etc. are marked with materials, numbers and identification numbers. One is to facilitate factory management, and the other is to fully stand in the customer's point of view to order spare parts.
◆ Special requirements: material inspection, liquid penetrant inspection (PT), radioactivity inspection (RT), flow characteristic inspection, steam inspection, complete oil ban and water removal treatment.
Prev： VC7100
Next： VC7400-Quick Open
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