Precision Needle Valve for Liquefied Petroleum Gas and Water

• Customization: Available
• Power: Pneumatic
• Connection Mode: Welding
• Model NO.: J21H
• Material: Stainless Steel
• Pressure: Medium Pressure
• Standard: Standard
• Media: Liquefied Petroleum Gas, Water, Steam, Oil, Acid
• Media Temperature: High Temperature
• Delivery Time: 7-20 Days
• Warranty Period: 12 Months
• Guarantee Period: 12 Months
• Transport Package: Carton, Plywood Case, Pallet
• Specification: 1/8"-2"
• Trademark: SHANGBAOLUO
• Origin: Jiangsu, China
• HS Code: 8481804090
• Production Capacity: 10000 PCS/Month

Product Description

INSTRUMENT VALVE WMV
Product Mode1:J21H
Nominal Diameter:5-20mm
NominalPressure:1.6~6.4MPa
suitabletemperature:≤200°C≤425°C
suitable Medium: Liquefied petroleum gas, water, steam, oil, acid, ect

Product Title: J21H Instrument Valve for Precision Fluid Control
Model: J21H

Product Overview

The J21H Instrument Valve is engineered for precise control or regulation of fluid flow in instrumentation and process systems. Designed to handle high temperatures up to 425°C and pressures up to 6.4MPa, it ensures reliable performance in demanding applications.

Key Features

1. High-Temperature Capability
   • Rated for temperatures up to 425°C in specialized configurations.
2. Wide Diameter Range
   • Available in sizes from 5mm to 20mm to suit diverse applications.
3. Robust Construction
   • Forged brass or stainless steel body for durability.
4. Versatile Media Handling
   • Suitable for LPG, water, steam, oil, acid, and other corrosive fluids.

Technical Specifications

 

Parameter	Details
Model	J21H
Nominal Diameter	5mm to 20mm
Nominal Pressure	1.6MPa to 6.4MPa
Working Temp. Range	≤200°C (standard), ≤425°C (specialized)
Suitable Medium	LPG, water, steam, oil, acid, etc.
Material	Forged Brass/SS304/SS316
Connection	Threaded (NPT/BSP), Flange (optional)

Quality Standards

• Certifications: ISO 9001, CE, ATEX (for explosive environments).
• Testing: Hydrostatic pressure test at 1.5x nominal; cycle-tested for 100,000+ operations.
• Warranty: 24 months from installation date.

Detailed Description

1. Working Principle
The valve operates via a rotating stem that adjusts the flow area between the seat and plug, providing precise control over fluid flow.

2. Construction & Materials

• Body: Forged brass (standard) or stainless steel (SS304/SS316) for high-temperature/corrosive applications.
• Seat: PTFE or metal-to-metal for leak-tight sealing.
• Stem: Stainless steel with anti-blowout design.

3. Installation & Maintenance

• Orientation: Install in vertical lines for optimal sealing.
• Maintenance: Regularly inspect the seat and stem; clean or replace as needed.

4. Applications

• Industrial: Pressure transmitters, gauges, control systems.
• Energy: Steam lines, fuel systems.
• Chemical: Acid dosing, process sampling.

Why Choose J21H?

• Adaptability: Wide size and material options for diverse environments.
• Reliability: Robust design minimizes downtime.
• Safety: ATEX-certified for hazardous areas.

Contact Us Now for technical datasheets, pricing, or custom configurations!
OEM/ODM partnerships available. Custom material/connection options on request.

 

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