Integrated 3-Valve Manifold with Transmitter
Specification:
| Parameter | Specification |
|---|---|
| Valve Type | 3-Valve (2 block, 1 equalizing) |
| Material | Stainless Steel 316 / 304 |
| Working Pressure | Up to 6000 PSI (customizable) |
| Temperature Range | -54°C to 232°C (-65°F to 450°F) |
| Connection Type | NPT, BSP, or customized |
| Transmitter Type | Differential Pressure Transmitter |
| Mounting | Direct mount / Remote mount |
| Sealing | Bubble-tight shutoff |
Hongji Integrated 3-Valve Manifold with Transmitter
The Integrated 3-Valve Manifold with Transmitter is a compact and efficient solution designed for accurate differential pressure measurement and safe process control. By integrating a 3-valve manifold with a pressure transmitter into a single assembly, this unit reduces installation complexity, minimizes leakage points, and enhances overall system reliability.
This solution is ideal for standard industrial applications where isolation and equalization are required without the need for additional venting or calibration valves.
Applications:
1. Oil & Gas Industry
- Pressure Control: For monitoring and controlling high-pressure fluids and gases in drilling, production, and refining processes.
- Flow Measurement: To measure flow rates and manage flow in pipelines and refineries.
- Isolation & Venting: Manifold valves allow for easy isolation, draining, and venting in high-pressure systems.
2. Chemical and Petrochemical Plants
- Chemical Process Control: Integrated 3-Valve Manifold with Transmitter used in controlling the flow of reactants, solvents, and catalysts in chemical reactors.
- Safety and Monitoring: Ensures safety in high-risk environments by controlling pressure and flow within equipment like pumps, reactors, and distillation columns.
3. Power Generation
- Steam and Water Systems: For controlling steam and water flow in power plants, particularly in high-pressure systems.
- Instrumentation: Helps in managing the signals for temperature, pressure, and flow measurement in boilers and turbines.
4. Pharmaceutical and Biotechnology
- Sterile Fluid Control: Manifold valves are crucial for maintaining sterile conditions and controlling fluid flow in pharmaceutical and biotech production, ensuring that processes such as fermentation and mixing are precisely controlled.
- Hygienic Isolation: Ensures hygienic isolation of different parts of the system, maintaining contamination-free operations.
5. Water Treatment and Distribution
- Flow Regulation: Integrated 3-Valve Manifold with Transmitter regulate the flow of water through treatment plants and distribution systems.
- Pressure Control: Used in regulating pressure in pipelines and during water treatment processes.
6. HVAC (Heating, Ventilation, and Air Conditioning)
- Temperature and Pressure Regulation: Used in controlling the flow of refrigerants and heating fluids in HVAC systems.
- Isolation and Maintenance: Ensures ease of isolation for maintenance purposes in complex HVAC systems.
7. Laboratories and Research Facilities
- Precise Fluid Management: Manifold valves are used in laboratories to precisely control the flow of gases and liquids in research experiments.
- Multi-Channel Fluid Control: Used to manage multiple fluid sources, directing them to different test systems or research equipment.
Advantages:
Integrated Compact Design
Combines a 3-valve manifold and pressure transmitter into one unit, saving installation space and time.Accurate Pressure Measurement
Ensures stable and reliable differential pressure readings for process monitoring and control.Reduced Leakage Risk
Fewer connections compared to traditional setups, significantly lowering potential leak points.Durable Stainless Steel Construction
Available in SS316/SS304 for excellent corrosion resistance in harsh environments.Easy Operation & Maintenance
Simplified valve configuration allows quick isolation and equalization during maintenance.Flexible Installation Options
Supports direct mounting or remote installation based on system requirements.
Ordering Number Description:

Notes:
- Standard manifold instrument is flange (according to MSS SP-99), flange distance (center-to-center) is 2.13 (54 mm).
Distance of 2.19 (55.6 mm) suitable for transmitters of range 6, 7 and 1151.
Distance of 2.25 (57.2 mm) transmitters of range 8 and 1151.
- Ordering Number Indication illustrates the classification and combination of Hongji products, which can not be randomly combined.
- For those valves made of other type of material other than listed ,please contact the Hongji sales personnel.
- If an oxygen-dedicated valve manifold is required, include “O2” in the basic order number, for example:HJ2W-MNPT8-FNPT8-H-P-SS-O2
Remarks:
The order number above indicates specific port size and type and other perimeters, and can not be randomly combined, please refer to our sales support for more technical details or the catalog if needed.












