Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

LT342X Piston Type Flow and Pressure Regulating Valve
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Phone：+86（577）6730 7899
Mobile：+86 195 1816 9569
Fax：+86（577）6738 7099
Email：Lucas@kaiweixi.com
Address：No. 1, Linxia Road, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province,china
Website：https://www.kaiweixi.com

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LT342X Piston Type Flow and Pressure Regulating Valve

Model：LT342X-10Q/16Q
Specification：DN300-DN2000
Temperature：≤80℃
Medium：Water and water-like media

Pressure：PN10~PN16
Connection method：flange
Driving method：Worm Gear
Material：Ductile Iron

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LT342X Piston Type Flow and Pressure Regulating ValveOverview

The LT342X Plunger Valve is a high-performance multifunctional control valve designed based on fluid mechanics principles, incorporating advanced technologies from both domestic and international sources. Featuring a unique piston structure that adjusts flow channel area through axial movement, it enables precise and continuous regulation of pipeline medium flow and pressure. Not only is it suitable for clean water, but also demonstrates excellent tolerance for natural river and lake water as well as mild wastewater. This effectively addresses the common issues of scaling and clogging in traditional valves, making it widely adopted in critical pipeline systems such as power plants, water diversion projects, and urban-rural water supply networks.

LT342X Piston Type Flow and Pressure Regulating Valve Product Diagram

LT342X Piston Type Flow and Pressure Regulating ValveCharacteristic

1. High-pressure energy dissipation and cavitation resistance: The valve body features a streamlined, axisymmetric flow channel design that significantly reduces noise and vibration. Its unique piston-and-cage (fan ring) structure effectively dissipates energy through multi-hole jet collisions, ensuring cavitation prevention even under inlet/outlet pressure differentials up to 40 kg/cm², thus safeguarding pipeline systems.

2. Reliable sealing with zero-leakage closure: Featuring a metal-to-metal primary seal and floating valve seat design, it delivers exceptional sealing performance. When fully closed, the valve ensures complete leakage-free operation, making it a reliable shut-off valve.

3. High resistance and durability with extended service life: The specially designed flow path and robust piston structure enable it to handle fluids containing small particles like sand. Critical components such as valve seats and guide rails are made of special stainless steel, with a hardness three times that of ordinary stainless steel, offering excellent wear and corrosion resistance. The designed service life reaches up to 30 years.

4. The intelligent valve features excellent linear regulation characteristics across the full flow range, ensuring stable and precise control. It can be equipped with electric drive devices, PLC control systems, and sensors to achieve both local and remote intelligent automation, with user-friendly operation.

5. The operating force is small and the flow resistance is low. The motion direction of the operating part (piston) is consistent with the direction of the fluid, and the operating torque is small. The optimized flow channel makes the pressure loss of the valve small, which helps to reduce the power consumption of the pipe network.

LT342X Piston Type Flow and Pressure Regulating Valvestructure principle

LT342X Piston Type Flow and Pressure Regulating Valve Structure Diagram

List of Component Names and Materials

SNO	name	material
1	body	Ductile cast iron
2	crank	2Cr13
3	connecting rod	2Cr13
4	cylinder sleeve	2Cr13
5	piston	2Cr13
6	stem	2Cr13

LT342X Piston Type Flow and Pressure Regulating Valvetechnology parameter

Performance Specification Sheet

Performance Specification Sheet
Nominal Pressure	1.0	1.6	MPa
Strength test pressure	1.5	2.4
Sealing test pressure	1.1	1.76
Applicable Temperature	≤80		℃

LT342X Piston Type Flow and Pressure Regulating Valvestandard size

Standard requirements for external dimensions

1. The structural length of the valve shall comply with the standard of GB/T12221

2. Connecting flanges according to GB/T17241.6 standard

LT342X Piston Type Flow and Pressure Regulating Valve Outline Diagram

Outline dimension table

Nominal Diameter（DN）	Key Dimensions（mm）
Nominal Diameter（DN）	L	d	K	D	n×L	H	H1	H2	W	W1
300	500	370	400	445	12×23	500	320	270	225	610
400	800	480	515	565	16×28	550	405	360	300	720
500	1000	582	620	670	20×28	600	480	420	365	800
600	1150	682	725	780	20×31	650	545	490	430	850
700	1400	794	840	895	24×31	700	650	580	500	1000
800	1600	901	950	1015	24×34	750	715	640	565	1050
1000	1800	1112	1160	1230	28×37	850	890	790	780	1250
1200	1800	1328	1380	1455	32×40	900	1050	950	910	1350
1400	2200	1530	1590	1675	36×43	1000	1150	1050	1020	1650
1600	3200	1750	1820	1915	40×49	1050	1300	1170	1150	1950
1800	3600	1950	2020	2115	44×49	1100	1500	1300	1300	2300
2000	4000	2150	2230	2325	48×49	1200	1750	1500	1500	2700

Articles related to technology research and development

Dynamic balance electric control valve Patent

The utility model provides a dynamically balanced electric regulating valve, which includes a valve body, a valve cover, a valve rod, a valve core installed inside the valve body and connected to the valve rod, and an actuator installed on the valve cover and connected to the top end of the valve rod. The valve body is internally provided with a water inlet chamber, a valve cavity, and a water outlet chamber in order towards the direction of medium flow. The valve core is in the shape of a bucket with its opening facing downwards. The valve core is located inside the valve cavity and is used for connecting or cutting off between the water inlet chamber and the valve cavity. The top of the valve core is provided with a through port for medium circulation. Above the through port, there is a filter cover detachably connected to the valve core. The valve rod is provided with a step, and the outside of the step is covered with an elastic sleeve that fits it. The top of the filter cover is provided with a fixing hole that fits the elastic sleeve. This utility model can filter the medium, is simple to install, time-saving, labor-saving, and can reduce the medium pressure inside the valve body, extending the service life of the valve core.
1. A dynamic balance electric regulating valve, comprising a valve body, a valve cover, a valve rod, a valve core installed inside the valve body and connected to the valve rod, and an actuator installed on the valve cover and connected to the top end of the valve rod. Its characteristic lies in that the valve body is sequentially provided with an inlet chamber, a valve cavity, and an outlet chamber in the direction of medium flow. The valve core is in the shape of a bucket with an opening facing downwards. The valve core is located inside the valve cavity and is used for connecting or cutting off between the inlet chamber and the valve cavity. The top of the valve core is provided with a port for medium circulation. Above the port, there is a filter cover detachably connected to the valve core. The valve rod is provided with a step, and the outside of the step is covered with an elastic sleeve that fits it. The top of the filter cover is provided with a fixing hole that fits the elastic sleeve.
2. A dynamic balance electric regulating valve according to claim 1, characterized in that the bottom of the valve body is provided with a downward-opening groove, which is connected to the valve cavity through a through hole. A bottom cover connected to the valve body is arranged below the groove, and a pressure relief mechanism is arranged inside the groove. The pressure relief mechanism comprises a force-receiving member, a pressure plate connected to the force-receiving member, and a first spring arranged below the pressure plate and abutting against the bottom cover. The force-receiving member comprises a flow diversion block protruding from the through hole and a connecting rod connected to the flow diversion block, and the connecting rod passes through the pressure plate and is locked and fixed by a nut.
3. A dynamic balance electric regulating valve according to claim 2, characterized in that the top end of the pressure plate is pressed against the top wall of the groove, the bottom of the pressure plate is provided with a boss, and the top end of the first spring is sleeved on the boss.
4. A dynamic balance electric control valve according to claim 1, characterized in that the valve rod is arranged through the valve cover, a sealing cover threadedly connected to the valve cover is sleeved on the valve rod, a convex ring abutting against the valve cover is arranged on the outer circumferential wall of the sealing cover, a nut cover threadedly connected to the sealing cover is arranged at the connection between the sealing cover and the valve rod, an installation groove is arranged at the connection between the nut cover and the valve rod, a plurality of O-rings adapted to the valve rod are stacked in the installation groove, and a packing gland threadedly connected to the installation groove is arranged above the O-rings.
5. A dynamic balance electric control valve according to claim 4, characterized in that a second spring is arranged between the packing gland and the O-ring.
6. A dynamic balance electric control valve according to claim 5, characterized in that a sealing ring adapted to the valve rod is arranged inside the nut cover below the installation groove.
7. A dynamic balance electric control valve according to claim 6, characterized in that the bottom of the sealing cover is provided with a thrust ring that is threadedly connected to the sealing cover and abuts against the bottom end of the valve cover.
8. A dynamic balance electric regulating valve according to claim 1, characterized in that the top surface of the elastic sleeve is higher than the top surface of the filter cover.
9. A dynamic balance electric control valve according to claim 8, characterized in that the filter cover is connected to the valve core through threads.

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Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

LT342X Piston Type Flow and Pressure Regulating Valve

More flow control valve>>

More control valve>>

More valve>>

LT342X Piston Type Flow and Pressure Regulating Valve