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Home > Needle Valve > Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
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Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve
Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve

Hongji 304 316 High-Pressure External Thread Male Stainless Steel Needle Valve

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Product Description

Needle Valve View 1
Needle Valve View 2
Screwed Bonnet Needle Valves
HJZF1 Series: Working pressure up to 6000 psig
Key Features
  • Cold-drawn-Bar body: High-density structure for superior pressure resistance.
  • Two-piece stem design: Upper stem threads cold rolled and lower stem hardened for high strength and smooth operation.
  • System Protection: Upper stem thread lubricant isolated from system media.
  • Safety Seal: Safety back seating seal in fully open position.
  • Installation Flexibility: Panel mounting available for various system layouts.
  • Durable Fastening: Steady and durable fastening of the handle by double lock-pins.
  • Visual Customization: Handles of different colors available.
  • Rigorous Testing: Every valve leak tested with Nitrogen or compressed air at the maximum allowable working pressure.
Technical Drawing
Technical Specifications
Valve Type Needle Valve Net Weight 0.455kg±0.005kg (DN10)
Body Material 304, 316L, 321, 201, Alloy etc. Capacity 5000 Units / Month
Connection Male Thread + Extended Tube Warranty 1 Year
Seal Type Hard Sealing Norms ISO / GB / JB / DIN
Manufacturing Forging and CNC Machining Test Norms API 598 / GBT-13927-2008
Application Nontoxic Liquid, Gas, Steam, Oil Certifications ISO / TUV
Pressure Range 6000psi / 414bar PTFE Temp. -54 to 260°C (-65.2 to 500°F)
Size Range 1/8", 1/4", 3/8", 1/2", 3/4", 5/8"; 1/4-3/4'' NPT Graphite Temp. -54 to 649°C (-65 to 1200°F)
Manufacturing Excellence

Our production facility occupies 50,000 square meters, specializing in research, development, and high-precision production of instrumentation valves. We ensure 100% quality testing for every single product before it leaves the facility.

Product Detail
Production Line
Workshop
Machining Center
Quality Control
Testing Equipment
Warehouse
Assembly Area
Finished Products
Packaging
Export Storage
Inventory
Frequently Asked Questions
Can I request specific samples for testing?
Yes, we provide specific samples based on the current manufacturing process and availability. Please contact us to discuss your testing requirements.
Do you offer customization for logos and blueprints?
Absolutely. We offer comprehensive customized services including logo labeling and manufacturing based on your provided samples or technical blueprints.
How do you ensure the quality of high-pressure valves?
We perform 100% leakage, material, and functionality tests both during the process and before final shipping to ensure 6000 psig performance.
What are the available payment methods?
We accept various payment methods including L/C, T/T, PayPal, and Western Union for international transactions.
Are your products compliant with international standards?
Yes, our manufacturing follows GB/T12224-2005 and JB/T7747-1995 standards, and we hold ISO and TUV certifications.
Why choose your needle valves over competitors?
With over 15 years of experience, we provide a direct manufacturer link, high customization flexibility, competitive pricing on large volumes, and real-time plant audits.

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