Special valve(flow control valves)
USD $1,000 - $50,000 /Piece
Min.Order:1 Piece
Wenzhou Yufeng Chemical Fiber Machinery Co., Ltd.
Special valves( Flow control valve)
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Instructions of technical parameters
Type of control valve | 3251 | |
Nominal diameter | DIN | DN15...200 |
ANSI | NPS1/2...8 | |
Valve vody material DIN | 304,316,304L,316L etc | |
Overlaid with stellite alloy or hastelloy alloy | ||
Nominal pressure | PN | 16...160(DN15...150);16...100(DN200...300), (provide up to PN250 according to demand) |
Class | 150...900 Up to class 1500 according to demand | |
End conection DIN | RF, RTJ flanges, weld according to B16.25 | |
Valve base/ valve plug seal and leakage | V Metal seal: IV, high performance metal seal | |
Grade IEC60534-4 | Flexible seal: VI | |
Flow characteristics | Equal percentage(%),linear(L) | |
Rangeability | 50:1 | |
Temperature range HT filler | -10...220°C·14...430 °F,220...350°C·430...660°F | |
Add extension, mixmun | -200...500°c · -328...932°F | |
Data sheet | IEC534-2, ANSI B16.104,GB/T4213-92 |
CV value and travel
Nominal diameter(mm) | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | ||||||||||||||||||
Valve base diameter | 25 | 32 | 40 | 32 | 40 | 50 | 40 | 50 | 60 | 50 | 65 | 80 | 65 | 80 | 100 | 80 | 100 | 125 | 100 | 125 | 150 | 125 | 150 | 200 | ||
rated cv value | High capacity valve plug | 30 | 50 | 85 | 125 | 200 | 310 | 420 | 700 | |||||||||||||||||
high precision valve plug | 10 | 17 | 24 | 17 | 24 | 44 | 24 | 44 | 68 | 44 | 68 | 99 | 68 | 99 | 175 | 99 | 175 | 275 | 175 | 275 | 360 | 275 | 360 | 640 | ||
Rated travel | 25 | 38 | 50 | 75 |
Note: the data belw are need for ordering
Nominal diameter | DN | Process medium | Density kg/m3 and temperature |
Nominal pressure | PN | Flow | Kg/h or m3/h |
Technical parameter table of valve materials Standard working condition | |||
Connecting flange/flat welding port | Pressure | P1and P2(absolute pressure Pabs) | |
Standard /balance During minmum, normal and maximum flow | |||
Flexible seal, metal seal or damascene seal | Appendix | Locator and/or limit switch | |
Feature:percentage or linear | |||
Actuator: with or without designated manufacturers | |||
Safety reset operation: valve open or valve close |
7 steps to ensure the quality
1.Professional fluid analysis provides proof for the selection of diferrent types for customers.
2.Precise finite element analysis provides guarantee for prodcut quality.
3.Thermal state pressure test proved to be stable and safe for clents to use under work conditions.
4.Vacuum test guarantees the reliability of valves that requires special processing.
5.Advanced testing equipment makes sure that various parameters of valves meet the design needs.
6.Advanced ultra-sound defect detector makes sure that each welding line can achieve comppelte defect detection .
7.Advanced Physicochemical analysis machine makes sure that the quality of every part meets the design needs.
High-Tech and Science results certificates
Iso 9001 international quality certificate
Patents (we have 20 patents which are authorized by STATE INTELLECTUAL PROPERTY OFFICE OF THE P.R.C)
Exhibition