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Z515N internal feedback self operated pressure regulating valve
Z515N internal feedback self operated pressure regulating valve

Z515N internal feedback self operated pressure regulating valve

The Z515N type internal feedback self operated pressure regulating valve is a type of self operated pressure regulating valve developed and researched by our company for working conditions with high medium viscosity and easy coking. It avoids the situation where conventional self operated pressure regulating valves are difficult to maintain insulation, the pressure pipe is prone to blockage, and the regulation accuracy is affected. Suitable for automatic control of pressure relief and stabilization in high viscosity and coking prone media. This product has the characteristics of energy saving, sensitive action, convenient operation, operation and maintenance. Widely used in industries such as petroleum and chemical engineering for automatic control of pressure relief and stabilization of high viscosity media such as crude oil.


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Equipment Introduction

Standard specifications

Type

Internal Feedback Pressure Regulating Valve

Body Size

DN20~DN450(3/4 〜18)

Body Ratings

PN10、16、20、25、40、50、64、100、110、150、250、320、420 ANSI 150#、300#、600#、900#、1500#、2000#、2500#

Body & Bonnet Material

WCB, CF8, CF8M, CF3, CF3M, WC1, WC6, WC9, LCB,LCC, LC3...

Packing

V-PTFE/Flexible Graphite

Gasket

GRAP+304，GRAP+316, PTFE

Opening pressure error

When the set pressure is 0.5MPa or above, the allowable deviation is 3% of the set pressure. When the set pressure is less than 0.5MPa, the allowable deviation is ±0.014MPa.

Connections

Welding type (SW,BW)/Flanged(RF、MFM)

Painting color

Brown paint/No painting on stainless steel valve body/ silver paint...

Pressure regulating scope (KPa)

0.1-0.3 0.2-0.4 0.3-0.5 0.4-5.5 5-15 6.5-20 10-30 15-40 25-50 40-80 70-150 120-180 160-220 200-260 240-300 280-350 330-400 380-450 430-500 480-560 540-620 600-700 780-900 880-1000 950-1100 1000-1500 1400-2000...(high pressure and special regulating scope shall be decided according to practical situations)

Note: The above are only standard combinations, and specifications outside of this table are also possible depending on the operating conditions.


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