Body type: Straight-through S-type cast valve
Plug type: Balanced sleeve structure plug
Nominal diameter: DN15~300mm; NPS 1/2″~12″
Nominal pressure: PN1.6~6.4MPa; CLASS 150~300LB
Applicable temperature: +250~+650℃ (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: Flexible graphite
Actuator: Pneumatic actuator, Electric actuator
High Temperature Grease Injection Sealed Control Valve is designed for precise flow control in demanding industrial environments involving high temperatures and variable pressures. Featuring a compact S-shaped flow path, this valve reduces pressure drop while maintaining high flow capacity and a wide control range. Its balanced valve structure ensures stable operation, low vibration, and minimal noise, even under fluctuating conditions. With low sensitivity to temperature changes and reliable sealing performance, it is widely used in applications requiring accurate control at high flow rates and elevated temperatures where strict leakage control is not critical.
| H | Structural Style |
| T | L: Ultra low traffic type T: Compression type C: Cage |
| S | S: Single seat regulating valve SG: High temperature grease injection seal N: Cage style porousnoise reduction B: Sleeve regulating valve |
The High Temperature Grease Injection Sealed Control Valve is engineered to deliver reliable performance in demanding high-temperature service conditions. Its plug design provides a high Cv value, ensuring excellent flow capacity and efficient regulation performance in accordance with international control valve standards.
The valve supports both pneumatic and electric actuators, offering a compact structure with high output force, making it suitable for precise control applications that require high reliability and strong shut-off performance.
Advanced sealing technology enhances durability and operational stability. The valve stem packing system, combined with grease injection sealing and double-layer sealing design, significantly improves sealing performance and extends service life, especially in steam and high-temperature environments.
With its robust construction and optimized sealing system, this valve is an ideal choice for critical process control where reliability, longevity, and stable operation are essential.
1. With top guide structure
2.Large fow coefhcient and wide adjustable range
3.Double sealing structure, more reliable sealing
4.With heat sink, strong heat dissipation function
5.With grease injection tank, longer packing life
6. Mainly used in high temperature steam, hot oil and other occasions
Carbon steel for body material*
| No. | Component | Material | ||
| 1 | Body | WCB | LCB | WC9 |
| 2 | Gasket | 316 + Graphite/FTFE | ||
| 3 | Seat | 304 | 304 | 304 |
| 4 | Plug | 304 | 304 | 304 |
| 5 | Guide sleeve | Cu/316L | Cu/316L | Cu/316L |
| 6 | Gasket | 304 | 304 | 304 |
| 7 | Bonnet | 316 + Graphite/FTFE | ||
| 8 | Bolt and Nut | WCB | LCB | WC9 |
| 9 | Heat sink | 304 | 304 | 304 |
| 10 | Stem | 304 | 304 | 304 |
| 11 | Oil storage ring | 304 | 304 | 304 |
| 12 | Packing | PTFE/Flexible graphite | ||
| 13 | Lock nut | 304 | 304 | 304 |
| 14 | Pressing sleeve | 304 | 304 | 304 |
| 15 | Plate | 304 | 304 | 304 |
Body Materials Stainless Steel*
| No. | Component | Material | ||
| 1 | Body | CF8 | CF8M | CF3M |
| 2 | Gasket | 316 + Graphite/FTFE | ||
| 3 | Seat | 304 | 316 | 316L |
| 4 | Plug | 304 | 316 | 316L |
| 5 | Guide sleeve | Cu/316L | Cu/316L | Cu/316L |
| 6 | Gasket | 304 | 316 | 316L |
| 7 | Bonnet | 316 + Graphite/FTFE | ||
| 8 | Bolt and Nut | CF8 | CF8M | CF3M |
| 9 | Heat sink | 304 | 316 | 316L |
| 10 | Stem | 304 | 316 | 316L |
| 11 | Oil storage ring | 304 | 316 | 316L |
| 12 | Packing | PTFE/Flexible graphite | ||
| 13 | Lock nut | 304 | 316 | 316L |
| 14 | Pressing sleeve | 304 | 316 | 316L |
| 15 | Plate | 304 | 316 | 316L |
Note: 1.The above is of standard confguration structure; The valve seat is metal seal, and the valve seat is soft seal, grade Vl optional. lt can provide valve trim of spray welding cemented carbide. 2.The conventional materialis carbon steel and stainless steel, and the special material regulating valve products can be customized according to the user’s work conditions.
| Inside Diameter (mm) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| Inside Diameter (in) | 1″ | 1-1/4″ | 1-1/2″ | 2″ | 2-1/2″ | 3″ | 4″ | 5″ | 6″ | 8″ | 10″ | 12″ | |
| Flow Coefficient (Kv) Straight Line | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1400 | |
| Flow Coefficient (Kv) Percent | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | 1100 | 1500 | |
| Pneumatic actuator | HA/B-23 | HA/B-34 | HA/B-45 | HA/B-56 | |||||||||
| 350 cm² | 560 cm² | 900 cm² | 1400 cm² | ||||||||||
| Mode of Action | Spring Range | Allowable Differential Pressure (MPa) | |||||||||||
| Gas Opening | 20–100 KPa | 3 | 2.25 | 2.25 | 1.95 | 2.36 | 2.04 | 1.67 | 1.41 | 1.41 | 1.14 | 0.65 | 0.55 |
| 40–200 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 1.55 | 1.4 | |
| 80–240 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 4.08 | 4.08 | |
| Gas Off | 20–100 KPa | 1.5 | 1.13 | 1.13 | 0.98 | 1.18 | 1.02 | 0.84 | 0.71 | 0.71 | 0.71 | 0.57 | 0.55 |
| 40–200 KPa | 4.5 | 3.38 | 3.38 | 2.93 | 3.54 | 3.06 | 2.51 | 2.12 | 2.12 | 2.12 | 1.71 | 1.55 | |
| 80–240 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 4.08 | 3.65 | |
| Electric Actuator | Allowable Differential Pressure (MPa) | ||||||||||||
| Thrust(N) | 800 | 6.4 | 6.4 | ||||||||||
| 2000 | 6.4 | 6.4 | 6.4 | 5.1 | |||||||||
| 3000 | 6.4 | 6.4 | 6.4 | 6.4 | 5.7 | 4.76 | |||||||
| 5000 | 6.4 | 6.4 | 6.4 | 6.4 | 6.25 | ||||||||
| 6500 | 6.4 | 6.4 | 4.23 | 3.23 | |||||||||
| 10000 | 6.4 | 6.1 | 3.31 | 2.07 | |||||||||
| 16000 | 6 | 4 | |||||||||||
| 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 |
| Flow Characteristics | Equal percentage, Straight line | |
| Adjustable Range | 50:01 | |
| 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 |
| DN (mm / inch) | 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 | 180 | 188 | 200 | 220 | 252 | 275 | 300 | 350 | 400 | 455 | 555 | 660 | 740 |
| L PN40 | 180 | 188 | 200 | 220 | 252 | 275 | 310 | 370 | 410 | 475 | 600 | 670 | 750 |
| L PN64 | 206 | 210 | 220 | 251 | 290 | 315 | 341 | 398 | 452 | 511 | 610 | 752 | 819 |
| H PN16 | 52.5 | 57.5 | 70 | 75 | 82.5 | 92.5 | 100 | 110 | 125 | 142 | 170 | 202 | 230 |
| H PN40 | 52.5 | 57.5 | 70 | 75 | 82.5 | 92.5 | 100 | 117.5 | 135 | 150 | 187 | 225 | 257 |
| H PN64 | 65 | 70 | 77 | 85 | 90 | 102.5 | 107.5 | 125 | 147.5 | 172 | 207 | 235 | 285 |
| H1 | 208 | 208 | 158 | 170 | 179 | 214 | 221 | 234 | 270 | 294 | 331 | 390 | 450 |
| H2 | 315 | 315 | 335 | 335 | 335 | 415 | 415 | 415 | 500 | 500 | 500 | 670 | 670 |
| H3 | 153 | 153 | 153 | 153 | 153 | 181 | 181 | 181 | 247 | 247 | 247 | / | / |
| Pneumatic Actuator – C | 180 | 180 | 180 | 180 | 180 | 200 | 200 | 200 | 250 | 250 | 250 | 380 | 380 |
| Pneumatic Actuator – A | 285 | 285 | 285 | 285 | 285 | 360 | 360 | 360 | 500 | 500 | 500 | 580 | 580 |
| 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 | 208 | 208 | 224 | 228 | 228 | 334 | 334 | 342 | 408 | 453 | 482 | 520 | 550 |
| H2 | 373 | 373 | 456 | 456 | 538 | 538 | 548 | 548 | 725 | 725 | 725 | 795 | 795 |
| H4 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| A | 225 | 225 | 225 | 225 | 255 | 255 | 255 | 255 | 310 | 310 | 310 | 350 | 350 |
| W | 28 | 28 | 28 | 28 | 45 | 45 | 45 | 45 | 60 | 60 | 60 | 60 | 60 |
| Flange | Executable: GB、HG、JB、DIN、JIS、ANSl 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. 3.The actuated valve can be customized according to the actual size.
Grease-sealed high-temperature control valves are essential in various industrial settings, providing reliable operation under extreme conditions.
Chemical Processing
In chemical processing, these valves effectively manage the flow of aggressive and high-temperature fluids, ensuring process integrity and safety.
Oil and Gas Industry
Within the oil and gas sector, grease-sealed high-temperature control valves are vital for handling high-pressure and high-temperature operations, maintaining system efficiency and preventing leaks.
Power Generation
In power plants, these valves regulate the flow of steam and other high-temperature media, contributing to efficient energy production and operational stability.
Automotive Industry
In the automotive sector, grease-sealed high-temperature control valves are utilized in engine systems to manage the flow of high-temperature fluids, ensuring optimal performance and longevity of components.
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