Sp4000 Water Gas Steam Liquid Pressure Reducing Control Valve

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APPLICATION
SP4000 can be used for upstream and downstream pressure control. It is a direct-operated universal pressure regulator by Spring-setting.
It can be applied to various types of low corrosive gas and low viscosity liquid, water, natural gas, steam etc.
The minimum control pressure is 3KPa and the maximum control pressure is 3000KPa.
The minimum operation temperature is -54.4ºF (-48ºC) and the maximum operation temperature is 572ºF (300ºC).
Can be used the condition of large pressure difference.
 
 
MODEL SELECTION


 
PRODUCT FEATURES


 
Faster Delivery Speed Than Peers---- Modular structure design, so that my company's products have faster delivery speed than peers, at the same time have better interchangeability of parts (Only between our products).
 
Valve Plug Of Balanced Pressure ---The valve plug with O-ring balance structure can be used to minimized the influence of the pressure difference on the non-balance of the valve stem and guarantee the pressure withstanding performance and precision of the pressure regulating valve.
 
Bellow-Sealing Packing----The valve stem of SP4000 regulator is a long bellow structure, sealing O-ring is used as a back-up sealing method, which provides an extremely reliable sealing for valve stem.
 
High Accuracy---The friction of bellow sealing packing is lower than conventional packing structure, the optimally designed spring and actuator will definitely find their best combination for process pressure, which makes the regulator have very high overall control accuracy.
 
Stainless Actuator---As an important part of the regulator, the actuator is made of stainless plate to ensure its high pressure-strength and long service life.
 
Better Reliability ---Single-seat plug has very low leakage during the closing of the regulator, the soft-sealed plug can completely shut off the flow and make the system enter into a holding-pressure status.
 
Overload Safety Protection---The safety shall be ensured under any circumstances. The pressure reducing valve allows medium to enter the actuator, so the overload of the system usually badly damaged the regulator. The overload protection mechanism of SP4000 regulator can safely bear the overload pressure one or several times higher than the upper limit pressure of the regulation range. The overload pressure can reach the nominal pressure of the valve in most configurations.
 
Easy Pressure Regulation---The screw regulation device can easy adjustment, convenient and quick pressure regulation.
 
Convenient Combination---Normalized modular design allows the changeover between downstream and upstream pressure control mode, different regulation ranges and operating temperature can be performed with the replacement of extremely few parts.
 


  
PRESSURE SAMPLING POINT


 
SPECIFICATION SERIES
Body Size (Flanged connection), DN40 (1-1/2"), DN50 (2"), DN65 (2-1/2"), DN80 (3"), DN100 (4"), DN150 (6"), DN200 (8")
Pressure Class, PN16, 40, 64    ANSI 150LB, 300LB, 600LB   Can also be customized
Operation Temperature, -54.4ºF (-48ºC) to 572ºF (300ºC)
Flow Factor, Cv=1.167*Kv 
Leakage Class,
Soft-Sealing       VI
Hard-Sealing      0.003 * rating capacity of valve.
 
Flow Characteristics
L (Standard)
EQ% (Special customized)


PRECISION & DIFFERENCE PRESSURE & SPRING RANGE & ACTUATOR CONFIGURATION

Because the data too more, so please contact us for it.

Remark: The theoretical precision indicates the theoretical pressure deviation of the valve under 10-50% travel and constant pressure difference. It will be affected by the pressure difference change and flow in actual application. The actual theoretical precision is completely by the process parameter.


DIMENSION