HTS Top-Guide Single-Seated Control Valve

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HTS Top-Guide Single-Seated Control Valve

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: PN1.6~6.4MPa;Class 150~300LB
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

Product Overview

The HTS top-guide single-seated control valve features a robust top-guided balanced cage design, offering high strength and reliable performance under demanding conditions. Its S-shaped flow path ensures low pressure drop, high flow capacity, and precise control accuracy across a wide adjustment range.

Designed for applications with relatively small pressure differentials, this valve provides tight shut-off and stable regulation, making it ideal for controlling medium flow rates and pressure in industrial systems.

Model Preparation

Code	Category	Description
H	Structural Style	Structural type classification
T	Flow Type	L: Ultra Low Flow Type T: Compression Type C: Cage Type
S	Valve Design Type	S: Standard Single-Seated Control Valve N: Cage Type Low-Noise Control Valve B: Sleeve Type Control Valve

Code

Product Features

HTS top-guide single-seated control valve seat features a pressure-balanced cage design, providing strong reliability and easy maintenance. Unlike traditional designs without replaceable seats, it allows convenient replacement to prevent leakage and extend service life.

With a flow-oriented structure, the valve offers stable control at low openings, ensuring precise regulation with minimal flow distortion. Depending on operating conditions, it can be equipped with electric or pneumatic actuators for flexible and efficient control.

Specification Parameters

Technical Parameters

Item	Specification
Body Type	Straight-through S-type cast valve
Plug Type	Balanced cage single-seat plunger
Nominal Diameter	DN15–300 mm; NPS 1/2″–12″
Nominal Pressure	PN1.6–6.4 MPa; Class 150–300 LB
Applicable Temperature	-196°C to +550°C (optional based on working conditions)
Connection Type	Flanged, welded, threaded (threaded suitable for ≤1″)
Flange Standard	According to IEC 60534
Gland Type	Bolted compression type
Sealing Gasket	Metal graphite spiral wound gasket
Packing	PTFE, flexible graphite
Actuator	Pneumatic actuator, electric actuator

Flow Characteristic Curve

Body Materials – Carbon Steel

No.	Component	WCB	LCB	WC9
1	Body	WCB	LCB	WC9
2	Gasket	SS316 + Graphite / PTFE	SS316 + Graphite / PTFE	SS316 + Graphite / PTFE
3	Seat	SS304	SS304	SS304
4	Plug	SS304	SS304	SS304
5	Bush	Cu / 316L	Cu / 316L	Cu / 316L
6	Guide Sleeve	SS304	SS304	SS304
7	Gasket	SS316 + Graphite / PTFE	SS316 + Graphite / PTFE	SS316 + Graphite / PTFE
8	Bonnet	WCB	LCB	WC9
9	Nut	SS304	SS304	SS304
10	Stud Bolt	SS304	SS304	SS304
11	Stem	SS304	SS304	SS304
12	Packing	PTFE / Flexible Graphite	PTFE / Flexible Graphite	PTFE / Flexible Graphite
13	Lock Nut	SS304	SS304	SS304
14	Sleeve	SS304	SS304	SS304
15	Plate	SS304	SS304	SS304

Body Materials – Stainless Steel

No.	Component	CF8	CF8M	CF3M
1	Body	CF8	CF8M	CF3M
2	Gasket	SS316 + Graphite / PTFE	SS316 + Graphite / PTFE	SS316 + Graphite / PTFE
3	Seat	SS304	SS316	SS316L
4	Plug	SS304	SS316	SS316L
5	Bush	Cu / 316L	Cu / 316L	Cu / 316L
6	Guide Sleeve	SS304	SS316	SS316L
7	Gasket	SS316 + Graphite / PTFE	SS316 + Graphite / PTFE	SS316 + Graphite / PTFE
8	Bonnet	CF8	CF8M	CF3M
9	Nut	SS304	SS316	SS316L
10	Stud Bolt	SS304	SS316	SS316L
11	Stem	SS304	SS316	SS316L
12	Packing	PTFE / Flexible Graphite	PTFE / Flexible Graphite	PTFE / Flexible Graphite
13	Lock Nut	SS304	SS316	SS316L
14	Sleeve	SS304	SS316	SS316L
15	Plate	SS304	SS316	SS316L

Notes:

The above configuration is standard. The valve seat is metal-seated by default; soft seat (Class VI leakage) is optional. Hard-facing (e.g. Stellite or carbide overlay) is available for valve trim.
Standard materials include carbon steel and stainless steel. Special materials can be customized based on operating conditions.

Can be Applied to Different Conditions of the Structure

Inside Diameter(mm/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 Coefficient (KV)	Straight Line	6.9	11	17.6	27.5	44	69	110	176	275	440	690	1100	1760
Flow Coefficient (KV)	Percent (%)	6.3	10	16	25	40	63	100	160	250	400	630	1000	1600
Pneumatic Actuator		HA/B-22		HA/B-23			HA/B-34			HA/B-45			HA/B-56
Area		350 cm²		350 cm²			560 cm²			900 cm²			900 cm²
Mode of action	Spring Range	Metal seal allows differential pressure(MPa)
Gas Opening	20–100 KPa	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	6.4	4.99	3.05	1.95	1.25	1.18	0.78	0.5	0.5	0.36	0.21	0.15	0.08
Gas Off	20–100 KPa	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	6.4	6.4	5.86	3.64	2.3	2.21	1.43	0.91	0.91	0.66	0.37	0.25	0.2
	80–240 KPa	6.4	6.4	6.4	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	0.2	0.15
	16000									0.97	0.67	0.35	0.12	0.09

Actuator parameters

Model	Pneumatic film actuator	Electronic electric actuator
Form	ZH22~ZH56	3810L, RSL
Type	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 220 V ±10% 50Hz AC 380 V ±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°C ~ +70°C
Surface Coating	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	50:01:00
Rated Cv Value	Equal percentage: 10~1400 Straight line: 11~1500
Allowable Leakage	Hard seal: Level-IV (0.01% rated flow of valve) Soft seal: Level-V
Drive 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

Connection Dimension of Pneumatic Control Valve

DN (mm / 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) L (PN40) L (PN64)	180	188	200	220	252	275	300	350	400	455	555	660	740
	180	188	200	220	252	275	310	370	410	475	600	670	750
	206	210	220	251	290	315	341	398	452	511	610	752	819
H (PN16) H (PN40) H (PN64)	52.5	57.5	70	75	82.5	92.5	100	110	125	142	170	202	230
	52.5	57.5	70	75	82.5	92.5	100	117.5	135	150	187	225	257
	65	70	77.5	85	90	102.5	107.5	125	147.5	172	207	235	285
H1	132	132	158	170	179	214	221	234	270	294	331	390	505
H2	315	315	335	335	335	415	415	415	500	500	500	670	670
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 (customized according to actual temperature conditions)
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	285	285	285	285	285	360	360	360	470	470	470	580	580
C	180	180	180	180	180	200	200	200	250	250	250	380	380

Connection Dimension of Electric Control Valve

DN (mm / 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) L (PN40) L (PN64)	180	188	200	220	252	275	300	350	400	455	555	660	740
	180	188	200	220	252	275	310	370	410	475	600	670	750
	206	210	220	251	290	315	341	398	452	511	610	752	819
H (PN16) H (PN40) H (PN64)	52.5	57.5	70	75	82.5	92.5	100	110	125	142.5	170	202.5	230
	52.5	57.5	70	75	82.5	92.5	100	117.5	135	150	187	225	257
	65	70	77.5	85	90	102.5	107.5	125	147.5	172	207.5	235	285
H1	132	132	158	170	179	214	221	234	270	294	331	390	507
H2	373	373	456	456	179	538	548	548	725	725	725	795	955
H3	208	208	224	228	228	334	334	342	408	453	482	520	50
H4	90	90	90	90	228	90	90	90	90	90	90	90	90
H5	336	338	402	402	406	627	628	635	698	702	728	755	790
H6	700 (customized according to actual temperature conditions)
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	285	285	285	285	285	360	360	360	470	470	470	580	580

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. 3.The actuated valve can be customized according to the actual size.

Specification Applications

Top-guided single-seated control valves are essential components in various industrial processes, offering precise flow control and reliable performance. Their applications include:

Chemical Processing: These valves manage the flow of aggressive chemicals, ensuring accurate control and enhancing safety in processing environments.
Oil and Gas Industry: Employed in both upstream and downstream operations, they regulate the flow of hydrocarbons, maintaining optimal pressure and flow conditions.
Power Generation: In power plants, these valves control steam and water flow, contributing to efficient energy production and system stability.
Pharmaceutical Manufacturing: They ensure precise control of process fluids, maintaining the stringent hygiene and accuracy standards required in pharmaceutical production.
Food and Beverage Industry: These valves manage the flow of ingredients and cleaning agents, supporting consistent product quality and adherence to sanitary regulations.
Water Treatment Facilities: Utilized in controlling the flow of water and treatment chemicals, they aid in maintaining water quality and system efficiency.
HVAC Systems: In heating, ventilation, and air conditioning systems, these valves regulate the flow of air and water, ensuring optimal environmental conditions.

Valve Actuation

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Precision Engineering

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Industrial Valves

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Your Trusted Partner for High-Quality Valve Solutions

HTS Top-Guide Single-Seated Control Valve

HTS Top-Guide Single-Seated Control Valve

Product Overview

Model Preparation

Product Features

Specification Parameters

Technical Parameters

Flow Characteristic Curve

Body Materials – Carbon Steel

Body Materials – Stainless Steel

Can be Applied to Different Conditions of the Structure

Actuator parameters

Main Performance Parameters

Connection Dimension of Pneumatic Control Valve

Connection Dimension of Electric Control Valve

Specification Applications

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

Flow Control

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