Y Type Pneumatic Steam Trap (Mechanical Steam Trap) -Valve

Model NO.: ZMQSY Pressure: Ordinary Pressure Connection: Flange Type: Thermostatic Application: Tank, Pipe, Vessels Function: Discharge The Air and Steam Specification: CE, SGS, ISO HS Code: 848140000 Certification: ISO Temperature: Ordinary Temperature Material: Stainless Steel Control Method: Pneumatic / Electric Medium: Steam / Air Trademark: U-ideal Origin: Tianjin, China ZMQS Y Type Pneumatic Steam Trap is constructed with a new series Pneumatic Diaphgram Type Actuator and a Y Type Steam Trap. Y Type Steam Trap worked as a control valve with a special structure. Both ends of this Pneumatic Steam Trap are Welded Type, which is suitable for specific pipe matching.


This Pneumatic Actuator has Positive and negative functional styles. When the signal pressure increased, the push bar extruding the diaphragm chamber, this is called positive action, which combined with the steam trap to constitute Air Closing Style. When signal pressure increased, push rod returning back to the Diaphragm Chamber, this is called negative action, which combined with valve to constitute air opening style.



ZMQS Y Type Pneumatic Steam Trap working principle:

The signal pressure which was input into the diaphragm chamber can push the diaphragm to compressed the spring in the diaphragm actuator, then the valve stem will move accordingly to change the circulating area between the valve disc and valve seat until the counter force of spring is equal to signal pressure action, so as to realize the target of automatically adjusting technical parameter.

ZMQSY/ZDLSY Series of Pneumatic/Electric "Y" Type Trap Valve are according to thermal power plant equipments to drain, which is professional developing, designing and manufacturing to be a new generation steam trap. It is nearly linear flow design, to reduce flow resistance; It has twice throttle principle to reduce erosion and improve life. Plug and seat use whole hard alloy, its shut-off leakage≤ VI; Seat is compaction structure, it could be designed into move mid-cavity sealing, with advantages of preventing leakage, convenient maintenance etc, it also can be used in flammable and explosive occasions. According to the signal of control systems or instrument to shut-off or open the valve, so it could be meeting the requirements of controlled parameters. And it is widely used in the remote control of the power plant industry


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Nominal Diameter		20	25	32	40	50	65	80	100
Rated Kv		5	8	12	17	29	43	70	110
Rated Travel		20					30
Actuator mode		ZM10-1					ZM10-2
Diaphragm Effective area		210					320
Nominal Pressure		1.6MPa\4.0MPa\6.4MPa\160 MPa
Flow Characteristic		Quick open
Supply Air Pressure		0.4~0.6MPa
Electric actuator		According to valve required thrust force and travel to choose
Voltage		220V.AC  50Hz    380V.AC  50Hz(Three-phase)
Working Temperature	STD Type	-20~220ºC
	High Temp. Type	Carbon Steel:-20~425ºC,Chrome-molybdenum Steel:-20~550ºC
Leakage Class		≤VI
Connection		Butt welding Type
Accessories		Positioner,Air filter,Solenoid Valve,Limit switch,Handwheel(side mounted)

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