Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

ZJHJ Pneumatic Angle Control Valve
More Pneumatic Control Valve>>
More control valve>>
More valve>>

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

Other valve products you may need

ZJHP Compact Pneumatic Diaphragm Single-seated Regulating Valve
QV641 Pneumatic V-Notch Control Ball Valve
ZHYO Pneumatic Tank Bottom Control Valve
CVPS High-Pressure Single-Seated Control Valve
ZHJM Intelligent Pneumatic High-Performance Cage-Guided Control Valve

ZJHJ Pneumatic Angle Control Valve

Model：ZJHJ-16C/ZJHJ-25C/ZJHJ-40C/ZJHJ-64C/ZJHJ-16P/ZJHJ-25P/ZJHJ-40P/ZJHJ-64P/ZJHJ-16R/ZJHJ-25R/ZJHJ-40R/ZJHJ-64R
Specification：DN20~200
Temperature：-200～500℃
Medium：High-viscosity media, media containing particles and suspended solids

Pressure：PN1.6～6.4MPa
Connection method：Flange
Driving method：Pneumatic
Material：Cast Steel,Stainless Steel,Duplex Stainless Steel

Consult now

Add QR code to serve you!

ZJHJ Pneumatic Angle Control ValveOverview

ZJHJ pneumatic angle-type control valve is an industrial automation execution unit specifically designed for harsh conditions such as high pressure drops, high viscosity, and media containing suspended particles or fibers. The valve consists of a high-performance multi-spring pneumatic diaphragm actuator and a 90-degree angle-style single-seated valve body. By receiving standard 4-20mA DC analog signals from the control system, the thrust generated by the diaphragm chamber drives the stem for linear displacement, precisely changing the flow area between the plug and the seat. Due to its unique angle structure, which simplifies flow direction and provides excellent self-cleaning capabilities, this valve is widely used in key process points within the petroleum, chemical, power, and metallurgical industries where suppression of flashing and cavitation and prevention of media clogging are required.

Product Image of ZJHJ Pneumatic Angle Control Valve

ZJHJ Pneumatic Angle Control ValveCharacteristic

1. Optimized angle flow path design:The right-angle layout of the inlet and outlet ensures a simple and smooth flow path with a minimal resistance coefficient. This significantly reduces turbulence and pressure loss during media passage and effectively prevents the accumulation of high-viscosity or slurry media in dead zones within the valve.
2.Exceptional self-cleaning and erosion resistance:By utilizing the characteristic of the medium directly flushing the plug and seat, it possesses excellent self-cleaning capabilities. The flow design guides high-velocity fluids smoothly, making it particularly suitable for special media prone to scaling or containing suspended particles and fibers.
3.Compact multi-spring drive mechanism:Equipped with a compact multi-spring pneumatic diaphragm actuator, providing high output force and rapid response. Compared to traditional actuators, the overall height and weight are greatly reduced, effectively lightening pipeline loads and saving installation space.
4.Stable and reliable top-guided structure:The large-area top-guided design ensures excellent concentricity of the plug throughout the full stroke. This robust guiding system effectively resists vibrations caused by fluid impact, extending the service life of the valve.
5.High-precision proportional regulation characteristics:The plug profile is precision-engineered based on fluid dynamics to provide linear or equal percentage flow characteristics. Paired with an intelligent valve positioner, it achieves extremely high repeatable positioning accuracy, ensuring real-time stability of process parameters.
6.Intrinsically safe and fail-safe function:The drive source is clean compressed air, involving no risk of electrical sparks and providing inherent explosion-proof attributes. Fail-safe reset modes (full open or full close) can be configured based on safety process requirements, ensuring system safety during air supply failure.
7.Material durability and long-life design:Body and internals are available in cast steel, stainless steel, or with Stellite hard-facing on surfaces. The hardened sealing surfaces provide extreme hardness and corrosion resistance, capable of handling high pressure drops and erosive conditions over the long term.
8.Convenient modular rapid maintenance:The refined structure ensures high component interchangeability. Featuring a top-entry design, sealing pairs can be inspected and replaced online by extracting the actuator without removing the pipeline, significantly reducing maintenance costs.

ZJHJ Pneumatic Angle Control Valvestructure principle

Structural Drawing of ZJHJ Pneumatic Angle Control Valve

List of Component Names and Materials

No.	Part Name	Material 1	Material 2	Material 3
1	Valve Body	WCB	LCB	WC9
2	Valve Seat	304
3	Valve Plug	304
4	Guide Sleeve	304
5	Bonnet	WCB	LCB	WC9
6	Valve Stem	304
7	Packing	PTFE / Flexible Graphite
8	Spring	65Mn
9	Nut	304

ZJHJ Pneumatic Angle Control Valvetechnology parameter

Performance Specification Sheet

Performance Specification Sheet
Nominal Pressure	1.6	2.5	4.0	6.4	MPa
Strength test pressure	2.4	3.8	6.0	9.6
Sealing test pressure	1.76	2.8	4.4	7.04
Applicable Temperature	-200～+500				℃

ZJHJ Pneumatic Angle Control 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

Outline Drawing of ZJHJ Pneumatic Angle Control Valve

Outline dimension table

Nominal Diameter DN(MM)	20	25	32	40	50	65	80	100	125	150	200
L (PN16/25)	95	100	105	115	125	145	155	175	200	225	275
L (PN40)	95	100	105	115	125	145	155	175	200	225	275
L (PN64, 100)	115	115	130	130	150	170	190	215	250	275	325
H	349	350	358	378	393	494	503	521	634	696	715
H1	444	445	458	478	492	594	628	646	759	846	915
H2	419	423	445	478	490	582	624	620	759	840	905
H3	180	180	180	180	180	236	236	236	310	310	310
A	282	282	282	282	282	360	360	360	470	470	470
C	220	220	220	220	220	270	270	270	320	320	320
L1	289	289	289	289	289	347	347	347	476	476	476

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.

View more>>

Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

ZJHJ Pneumatic Angle Control Valve

More Pneumatic Control Valve>>

More control valve>>

More valve>>

ZJHJ Pneumatic Angle Control Valve