Summary：Angle type valve is easy to forge, so often can be transformed into angle type high pressure regulating valve. The problem with high-pressure valves in use is that they have a short life, and the valves of the general structure can only be used for 1-2 months under high pressure differential conditions. The fundamental reason for the short life is that the medium is prone to flash evaporation, cavitation and erosion under the condition of large pressure difference, causing strong damage to the inner parts of the valve.

Product Name: VC7100 new type angle high pressure regulating valve
Specifications: DN6-DN200
Product note: pneumatic/electric
Product category: VC7000 high pressure valve series

Features
Angle type valve is easy to forge, so often can be transformed into angle type high pressure regulating valve. The problem with high-pressure valves in use is that they have a short life, and the valves of the general structure can only be used for 1-2 months under high pressure differential conditions. The fundamental reason for the short life is that the medium is prone to flash evaporation, cavitation and erosion under the condition of large pressure difference, causing strong damage to the inner parts of the valve. In order to solve the problem of short life, many manufacturers at home and abroad have made great efforts, from the material and structure to do a lot of exploration, such as multi-stage high-pressure valve, labyrinth high-pressure valve, single-seat sleeve load-type high-pressure valve. On the basis of summarizing the high-pressure valves at home and abroad, VALCAM has developed a new type of four-stage throttle angle high-pressure valve with anti-cavitation and anti-erosion. The high-pressure valve has the advantages of simple structure, convenient maintenance, proper material selection, reasonable structure and long service life, and is well received by customers. The high pressure valve is widely used in chemical industry, fertilizer and other industries, especially for high pressure and high pressure difference adjustment in ammonia synthesis system.

parameters and performance
◆ Valve form: angle type high pressure structure
◆ Nominal diameter: DN6 ~ DN200mm
◆ Pressure rating: ANSI Class 900,1500,2500;
or JB/T79-94 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 valve cover 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 index: allowable leakage rate of valve seat: 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)
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.

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