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Top-Guide Control Valve For Precise Industrial Flow

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Model:
JCHTS
Brand:
JIECHUANG

Control Valve Top-guide control valve Single-seated control valve Precision control valve Process control valve Industrial control valve Valve automation Pneumatic control valve Control valve for gas High-temperature valve

Product Description

Product Overview

The Top-Guide Control Valve series is designed with a top-guided, balanced cage structure that ensures superior performance in industrial flow control applications. Offering high strength, heavy load capacity, and a low pressure drop, these valves are perfect for precise flow regulation and are particularly effective in environments with small differential pressures. The design features S-shaped flow paths, which enhance the flow characteristics by reducing turbulence and ensuring stable flow regulation. With a wide adjustable range and high accuracy in regulating medium flow or pressure, this valve is an ideal solution for various industrial applications where reliability and performance are critical.

The single-seat control valve offers tight shut-off and accurate flow control, making it suitable for applications in the chemical, pharmaceutical, oil & gas, and food and beverage industries, where precise flow measurement and control are essential.

Product structure

Product Structure

The valve is built with a press-cage valve seat structure, offering high reliability and ease of maintenance. This design addresses the common leakage issues found in traditional seatless valve structures, ensuring a longer service life and reduced downtime for maintenance. This press-cage structure is not only easy to replace but also significantly reduces the need for frequent replacements, making it cost-effective in the long run. The flow-to-open design further enhances the valve's efficiency by ensuring the medium moves in the direction of the valve opening. This design also provides excellent controllability at small valve openings, minimizing flow characteristic distortion and improving overall valve performance.

Depending on specific operating conditions and application requirements, the valve can be equipped with either an electric actuator or a pneumatic actuator for precise control. Both actuator options provide optimal flexibility, allowing for automated, efficient, and responsive flow regulation.

Product Features

High Strength & Heavy Load Capacity: The top-guided, balanced cage structure provides exceptional durability and stability under high-pressure conditions.
S-Shaped Flow Paths: These reduce pressure drop and improve flow accuracy, allowing for precise flow control across a range of applications.
Wide Adjustable Range: Offers a large range of adjustability to accommodate varying system needs, making it suitable for diverse industrial processes.
Low Pressure Drop: Designed for efficient operation with minimal energy loss, enhancing overall system performance.
Tight Shut-off: Provides reliable shut-off to prevent leaks, essential for applications requiring zero leakage control.
High Flow Coefficient: Ensures high capacity in flow control, reducing the need for additional equipment in flow systems.
Reliable & Easy Maintenance: The press-cage structure allows for easy valve seat replacement, reducing maintenance costs and improving longevity.
Minimal Flow Distortion: Designed to maintain stable flow characteristics, even at small valve openings, ensuring precise regulation without flow instability.
Flexible Actuator Options: Can be paired with either electric or pneumatic actuators for adaptable, automated control in various industrial environments.

Applications

Chemical Processing: Regulating the flow of liquids and gases in processes such as mixing, filtration, and chemical reactions.
Pharmaceutical Industry: Precise control of active ingredients, ensuring accurate dosage and mixing for manufacturing medications.
Oil & Gas: Controlling fluid and gas flow under high-pressure conditions in upstream, midstream, and downstream applications.
Food and Beverage: Maintaining exact flow rates for ingredients, ensuring uniformity and consistency in production lines.
Power Generation: For regulating steam, water, and gas flow to maintain the stability of power plants and turbines.

Conclusion

The Top-Guide Control Valve series offers unmatched precision, durability, and reliability for industrial flow regulation. Its design minimizes flow distortion, ensuring stable control even at low pressures or small valve openings. With its wide adjustable range, high flow coefficient, and easy maintenance, this valve is perfect for industries requiring accurate flow control. Whether you need electric or pneumatic actuation, this valve provides the flexibility to meet your specific operational needs. Make the Top-Guide Control Valve your go-to solution for reliable, high-performance flow regulation.

Technical Parameters

Parameter	Specification
Body Type	Straight-through S-type cast valve
Plug Type	Balance cage single-seat plunger valve core
Nominal Diameter	DN15~300mm; NPS 1/2"~12"
Nominal Pressure	PN 1.6~6.4 MPa; CLASS 150~300 LB
Applicable Temperature	-196~+550℃ (Optional according to working conditions)
Type of Connection	Flange, welding, thread (applicable within 1")
Flange Distance	According to IEC 60534
Gland Type	Bolt compression type
Sealing Gasket	Metal graphite spiral wound gasket
Packing	PTFE, flexible graphite
Actuator	Pneumatic actuator, electric actuator

Flow Characteristic Curve

Structure and Materials

Carbon steel for body material

1	Valve body	WCB	LCB	WC9
2	Gasket	316 + Graphite/FTFE
3	Valve seat	304	304	304
4	Valve plug	304	304	304
5	Copper sleeve	Cu/316L
6	Guide sleeve	304	304	304
7	Gasket	316 + Granbite /FTFE
8	Valve bonnet	WCB	LCB	WC9
9	Nut	304	304	304
10	Double-screw bolt	304	304	304
11	Valve stem	304	304	304
12	Packing	PTFE/Flexible graphite
13	Lock nut	304	304	304
14	Compression sleeve	304	304	304
15	Compression plate	304	304	304

Structure and Materials

Body material in stainless steel

1	Valve body	CF8	CF8M	CF3M
2	Gasket	316 + Graphite/FTFE
3	Valve seat	304	316	316L
4	Valve plug	304	316	316L
5	Copper sleeve	Cu/316L
6	Guide sleeve	304	316	316L
7	Gasket	316 + Granbite /FTFE
8	Valve bonnet	CF8	CF8M	CF3M
9	Nut	304	316	316L
10	Double-screw bolt	304	316	316L
11	Valve stem	304	316	316L
12	Packing	PTFE/Flexible graphite
13	Lock nut	304	316	316L
14	Compression sleeve	304	316	316L
15	Compression plate	304	316	316L

Note:

The above is the standard configuration, with a metal-sealed valve seat. For soft-sealed valve seats, VI-grade options are available. Valve internals with hard alloy coating can also be provided.
The standard materials are carbon steel and stainless steel. Special material control valve products can be customized according to the user's site conditions.

High-Temperature Type

Applicable Medium: Steam, hot oil, etc.

Applicable Temperature: +250~550℃

Low-Temperature Type

Applicable Medium: Liquid nitrogen, liquid oxygen, etc.

Applicable Temperature: -70~-196℃

Bellows Type

Applicable Medium: Flammable and explosive gases, toxic liquids, corrosive media, etc.

Standard Single-Seat Structure

Suitable for conditions with a small pressure difference before and after the valve, allowing for minor soft impurities. This structure is stable in operation, has excellent flow characteristics, and offers a wide control range.

Cage Single-Seat Structure

Suitable for conditions with a small pressure difference before and after the valve, allowing for minor soft impurities. This structure is characterized by good dynamic stability and low noise.

Improved Single-Seat Structure

Suitable for conditions with a large pressure difference before and after the valve and clean media. This structure features a dual-guide design, offering high stability and low leakage.

Specification Parameters

(mm) Inside diameter(in)			20 3/4	25 1	32 1-1/4	40 1-1/2	50 2	65 2-1/2	80 3	100 4	125 5	150 6	200 8	250 10	300 12
Flow coefficent		Straight line	6.9	11	17.6	27.5	44	69	110	176	275	440	690	1100	1760
Flow coefficent		Percent	6.3	10	16	25	40	63	100	160	250	400	630	1000	1600
(DN)Diameter(in)		Movement	Optional flow coefficient Cv(★ standard type ● Recommended ○ Customized)
20	3/4	16mm	★
25	1	16mm	●	★
32	-1/4	25mm	○	○	★
40	1-1/2		○	○	●	★
50	2		○	○	●	●	★
65	2-1/2	40mm			○	○	○	★
80	3				○	○	○	●	★
100	4				○	○	○	●	●	★
125	5	60mm						○	○	○	★
150	6								○	○	●	★
200	8								○	○	●	●	★
250	10	100mm								○	○	●	●	★
300	12	100mm								○	○	●	●	●	★
Pneumatic actuator			HA/B-22		HA/B-23			HA/B-34			HA/B-45			HA/B-56
			350cm²		350cm²			560cm²			900cm²			1400cm²
Mode of action		Spring range	Metal seal allows differential pressure(MPa)
Gas opening		20-100KPa	1.16	0.7	0.44	0.28	0.18	0.17	0.11	0.07	0.07	0.05	0.03	0.02	0.01
		40-200 KPa	3.34	2.14	1.31	0.84	0.53	0.51	0.33	0.21	0.21	0.15	0.09	0.06	0.04
		80-240 KPa	6.40	4.99	3.05	1.95	1.25	1.18	0.78	0.50	0.50	0.36	0.21	0.15	0.08
Gas off		20-100KPa	2.23	2.14	0.87	0.56	0.36	0.34	0.22	0.14	0.14	0.1	0.06	0.03	0.02
		40-200 KPa	6.40	6.40	5.86	3.64	2.30	2.21	1.43	0.91	0.91	0.66	0.37	0.25	0.20
		80-20KPa	6.40	6.40	6.40	5.04	3.18	3.06	1.98	1.26	1.26	0.92	0.52	0.47	0.35
Electric actuator			Metal seal allows differential pressure(MPa)
Thrust(N)		800	2.38
		2000	4.77	3.05	1.86	1.19	0.76
		3000			2.79	1.79	1.14
		5000			4.66	2.98	1.91	1.13	0.6	0.47
		6500						1.35	0.8	0.57	0.39	0.26	0.16
		10000									0.61	0.42	0.20	0.15
		16000									0.97	0.67	0.35	0.12	0.09

Actuator parameters

Model Form	Pneumaticflm actuator	Electronic electric actuator
	ZH22~ZH56	3810L、RSL
	Multi spring	Intelligent integrated type
Purpose	Adjustment, switch	Regulating
Drive	Air pressure(spring range) 140( 20～100)KPa G 240(40～200)KPa G 280(80~240)KPa G	Power supply: AC 220V±10%50Hz Power supply: AC 380V±10%50Hz
Joint	Rc 1/4	Common type: 2-PF(G1/2") Flameproof type: 2-PF(G3/4")
Positive action	Air pressure increases to push the valve to close	Control signal increases to push the valve to close
Reaction	Air pressure increases to push the valve open	Control signal increases to push the valve open
Control signal	4～20mA.DC(With positioner)	Input output 4~20mA.DC
Lag	≤1%FS(With positioner)	≤0.8%FS
Linearity	2%FS(With positioner)	≤±1%FS
Ambient temperature	-10～+70℃
Surface coating	Body: Black phosphating treatment Actuator: Acrylic polyurethane paint
Optional accessories	Optional accessories, Hand wheel, Magnetic valve, Travel switch, Lock up valve		Heater

Main Performance Parameters

Flow characteristics		Equal percentage、Straight line
Adjustable range		50:1
Rated Cv value		TEqual percentage:10～1400, Straight line:11~1500
Allowable leakage		Hard seal: Level-IV(0.01%rated flow of valve); Soft seal: Level-V
Performance inde	Driving mode	Pneumatic	Electric
	Intrinsic error%	±1.0	±1.0
	Return difference%	≤1.0	≤1.0
	Dead zone %	≤0.6	≤1.0
	Constant point deviation%	±2.5	±2.5
	Rated stroke deviation%	≤2.5	≤2.5

sizing

Connection Dimension of Pneumatic Control Valve

DN In		20 3/4	25 1	32 1-1/4	40 1-1/2	50 2	65 2-1/2	80 3	100 4	125 5	150 6	200 8	250 10	300 12
L	PN16/25	181	184	200	222	254	276	298	352	410	451	600	650	700
	PN40	181	184	200	222	254	276	298	352	410	451	600	670	770
	PN64	210	210	210	251	286	311	337	394	440	508	650	690	800
H	PN16/25	52.5	57.5	75	75	85.5	92.5	100	110	142.5	158	170	195	230
	PN40	52.5	57.5	75	75	82.5	92.5	100	117.5	150	167.5	187.5	205	245
	PN64	65	40	85	85	90	102.5	107.5	125	172.5	195	207.5	230	260
H1		132	132	158	170	179	214	221	234	270	294	331	390	450
H2		285	285	285	285	285	360	360	360	470	470	470	580	580
H3		208	208	224	228	228	334	334	342	408	453	482	520	550
H4		153	153	153	153	153	181	181	181	247	247	247	/	/
H5		336	338	402	402	405	627	628	635	698	702	728	755	790
H6			700(According to the actual temperature)
H7		88	88	88	88	88	95	95	95	95	110	110	140	140
D		310	310	355	355	390	430	465	520	585	660	770	890	950
A		200	200	200	200	200	240	240	240	350	350	350	450	450
C		282	282	282	282	282	360	360	360	470	470	470	650	650
Flange		Executable:GB、HG、JB、DIN、JIS、ANSICorresponding standard

Note: 1. The dimensions in the table are standard data without accessories. The dimensions of accessories are calculated according to the actual configuration. 2. Due to the technical innovation and improvement of the product, the size may change. Please contact the technical department of the Company for the latest information.

Connection Dimension of Electric Control Valve

DN In		20 3/4	25 1	32 1-1/4	40 1-1/2	50 2	65 2-1/2	80 3	100 4	125 5	150 6	200 8	250 10	300 12
L	PN16/25	181	184	200	222	254	276	298	352	410	451	600	640	880
	PN40	181	184	200	222	254	276	298	352	410	451	600	640	880
	PN64	210	210	210	251	286	311	337	394	440	508	650	810	950
H	PN16/25	52.5	57.5	75	75	85.5	92.5	100	110	142.5	158	170	195	230
	PN40	52.5	57.5	75	75	82.5	92.5	100	117.5	150	167.5	187.5	205	245
	PN64	65	40	85	85	90	102.5	107.5	125	172.5	195	207.5	230	260
H1		132	132	158	170	179	214	221	234	270	294	331	390	450
H2		373	373	456	456	538	538	548	548	725	725	725	795	795
H3		208	208	224	228	228	334	334	342	408	453	482	520	550
H4		90	90	90	90	90	90	90	90	90	90	90	90	90
H5		336	338	402	402	405	627	628	635	698	702	728	755	790
H6		700(According to the actual temperature)
H7		88	88	88	88	88	95	95	95	95	110	110	140	140
D		310	310	355	355	390	430	465	520	585	660	770	890	950
A		225	225	225	255	255	255	255	255	310	310	310	350	350
Flange		Executable:GB, HG, JB, DIN, JIS, ANSI Corresponding standard

Note: 1. The dimensions in the table are standard data without accessories. The dimensions of accessories are calculated according to the actual configuration. 2. Due to the technical innovation and improvement of the product, the size may change. Please contact the technical department of the Company for the latest information.