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Pneumatic Globe Control Valve with Single Seat
Pneumatic Single-Seat Globe Control Valve (GAZJHP)
**Model No.:** GAZJHP
**Type:** Standard Type, Regulating Cut Type, Bellow Seal
**Category:** Control Valve
**Leakage Standard:** Class IV or Class VI
**Flow Characteristic:** Linear or Equal Percentage
**Actuator:** Pneumatic
**Connecting Type:** Flange
**Medium Temperature Range:** -20°C to 560°C
**Usage:** Flow Control
**Size Range:** DN15–DN300
**Trademark:** Goole or Others
**Transport Packaging:** Plywood Case
**Certification:** ISO 9001
**Origin:** Wenzhou
**HS Code:** 8481804090
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### **1. Features of the Pneumatic Single-Seat Globe Control Valve (GAZJHP)**
The GAZJHP is a high-performance control valve designed for precision flow regulation in industrial applications. It consists of a pneumatic multi-spring actuator and a low-flow-resistance sleeve, ensuring smooth and stable operation. The balanced valve core minimizes unbalanced forces, allowing for a large allowable pressure differential. Compared to traditional single and double-seat valves, this model offers lower noise levels, a simpler structure, and easier maintenance.
Its compact design, lightweight body, and excellent performance make it ideal for a wide range of fluid media and industrial control systems. This valve is particularly suited for applications requiring accurate control and reliable performance under varying conditions.
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### **2. Available Options**
The GAZJHP series includes several variants to meet different application requirements:
- **Standard Type**
- **Regulating Cut Type**
- **Bellow Seal Type**
- **Jacketed Type**
These options allow for flexibility in installation and use across various industries such as petrochemicals, power generation, and water treatment.
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### **3. Main Components and Materials**
The construction of the GAZJHP ensures durability and reliability:
- **Valve Body/Cap:** S.S 304
- **Valve Core/Seat:** S.S 304, Stellite
- **Packing:** PTFE
- **Gasket:** Graphite
- **Membrane Cover:** A3
- **Spring:** 60Si2Mn
- **Valve Stem:** S.S 304
- **Nut/Bolt:** S.S 304
These materials are selected for their strength, corrosion resistance, and ability to withstand extreme temperatures and pressures.
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### **4. Key Dimensions and Performance Parameters**
| **DN** | **10** | **12** | **15** | **20** | **25** | **32** | **40** | **50** | **65** | **80** | **100** | **125** | **150** | **200** | **250** | **300** |
|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|---------|---------|---------|---------|---------|---------|
| **Cv (Linear)** | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | 1100 | 1760 |
| **Cv (Equal Percentage)** | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1600 |
**Movement (L):** 10–100 mm
**Effective Area:** 100–1600 cm²
**Signal Range:** 20–100 kPa, 40–200 kPa, 80–240 kPa, 20–60 kPa, 60–100 kPa
**Power Source:** 0.14–0.4 MPa
**Flow Characteristic:** Linear or Equal Percentage
**Adjustable Ratio:** 50:1
**Working Temperature Range:**
- Normal Temperature: -20°C to 200°C, -40°C to 250°C, -60°C to 450°C
- Cooling Type: -40°C to 450°C, -60°C to 450°C
- High Temperature: 450°C to 560°C
- Low Temperature: -60°C to 100°C, -100°C to -200°C, -200°C to -250°C
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This detailed specification makes the GAZJHP a versatile and robust solution for modern industrial control systems. Whether you're dealing with high-pressure environments or extreme temperature ranges, the GAZJHP provides reliable and efficient flow control.