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Stainless steel 316L connector – ZG/NPT high pressure
- Brand: VVN> (Genuine)
- Material: 316L stainless steel (SUS 316L) resistant to chemicals & seawater.
- Working pressure: 3000 PSI – 6000+ PSI.
- Temperature: -20°C to 450°C.
- Structure: Double Ferrule helps absolute airtightness.
- Thread standard: Various types ZG (Tapered thread) and NPT (American thread).
- ⚠️ NOTE: Product only supplied in bulk for Factories / Projects.
⚠️ SALES POLICY
Products are supplied exclusively to Factories / Projects in bulk quantities.
(We DO NOT sell retail to individual customers or small orders)
Technical Overview
VVN Compression Fittings are advanced piping connection solutions, specially designed to withstand ultra-high pressure and harsh working environments. Manufactured from high-grade 316L Stainless Steel, they offer superior corrosion resistance.
| Brand | VVN> |
|---|---|
| Body Material | 316L Stainless Steel (SUS 316L) |
| Structure | Double Ferrule (Front & Back) for absolute leak-tight sealing. |
| Working Pressure | 3000 PSI – 6000+ PSI (depending on tube wall thickness) |
| Operating Temperature | -20°C to 450°C |
| Application Environments | Oil & Gas, Chemicals, Steam, Seawater, Compressed Air. |
Product Code & Specification List
Below is the detailed lookup table for available sizes. Please cross-reference the Thread type and Tube OD to select the exact code.
A. ZG SERIES (BSPT / Tapered Thread) – For Metric Tubes
(Code structure: ZG[Thread Size]-D[Tube OD])
| Thread Size | Product Codes (SKU) |
|---|---|
| ZG 1/8″ |
ZG1/8-D3 ZG1/8-D4 ZG1/8-D6 ZG1/8-D8 ZG1/8-D10 ZG1/8-D12
|
| ZG 1/4″ |
ZG1/4-D4 ZG1/4-D6 ZG1/4-D8 ZG1/4-D10 ZG1/4-D12 ZG1/4-D14 ZG1/4-D16
|
| ZG 3/8″ |
ZG3/8-D6 ZG3/8-D8 ZG3/8-D10 ZG3/8-D12 ZG3/8-D14
|
| ZG 1/2″ |
ZG1/2-D6 ZG1/2-D8 ZG1/2-D10 ZG1/2-D12 ZG1/2-D14 ZG1/2-D16 ZG1/2-D18 ZG1/2-D20 ZG1/2-D22 ZG1/2-D24.5 ZG1/2-D25
|
| ZG 3/4″ |
ZG3/4-D6 ZG3/4-D8 ZG3/4-D10 ZG3/4-D12 ZG3/4-D14 ZG3/4-D16 ZG3/4-D18 ZG3/4-D20 ZG3/4-D22 ZG3/4-D24.5 ZG3/4-D25
|
| ZG 1″ |
ZG1″-D25Z G1″-D1″ (Inch)
|
B. NPT SERIES (US Standard) – For Metric & Inch Tubes
(Code structure: NPT[Thread Size]-D[Tube OD])
| Thread Size | Metric Tube (mm) | Inch Tube |
|---|---|---|
| NPT 1/8″ |
NPT1/8-D3mm NPT1/8-D6mm NPT1/8-D8mm NPT1/8-D10mm
|
NPT1/8-D1/8 NPT1/8-D1/4 NPT1/8-D3/8 NPT1/8-D1/2
|
| NPT 1/4″ |
NPT1/4-D3mm NPT1/4-D4mm NPT1/4-D6mm NPT1/4-D8mm NPT1/4-D10mm NPT1/4-D12mm NPT1/4-D14mm
|
NPT1/4-D1/8 NPT1/4-D1/4 NPT1/4-D3/8 NPT1/4-D1/2
|
| NPT 3/8″ |
NPT3/8-D6mm NPT3/8-D8mm NPT3/8-D10mm NPT3/8-D12mm NPT3/8-D14mm NPT3/8-D9.52mm
|
NPT3/8-D1/8 NPT3/8-D1/4 NPT3/8-D1/2
|
| NPT 1/2″ |
NPT1/2-D6mm NPT1/2-D8mm NPT1/2-D10mm NPT1/2-D12mm NPT1/2-D14mm NPT1/2-D16mm
|
NPT1/2-D1/8 NPT1/2-D1/4 NPT1/2-D3/8 NPT1/2-D1/2
|
| NPT 1″ |
NPT1″-D1″ (Inch)
|
|
Additional Information
Distinguishing NPT Thread and ZG (BSPT) Thread
| NPT Thread (US) | 60° thread angle. Commonly found on imported measuring instruments, pressure gauges, and sensors. |
|---|---|
| ZG Thread (Japan/UK) | 55° thread angle (also known as R Thread, BSPT). Popular in the Vietnamese market and on Asian machinery. |
⚠️ Tip: These two thread types are not interchangeable. Mismatched threading can damage the threads and cause leaks.
How to Measure Tube Size (Tube OD)
Use a digital caliper to accurately measure the outside diameter of the tube before ordering:
- Common Metric Sizes: 6mm, 8mm, 10mm, 12mm.
- Common Inch Sizes: 1/4″ (6.35mm), 3/8″ (9.52mm), 1/2″ (12.7mm).
Frequently Asked Questions (FAQ)
Q: Why does VVN only sell wholesale to factories?
A: We focus on providing comprehensive supplies for large projects to ensure the best technical support and pricing. This helps optimize logistics and warehousing for our strategic partners.
Tags: Stainless Steel 316 Ferrule Fitting, 316L Compression Fitting, Compression Fitting Vietnam, Stainless Steel Tube Fitting, ZG connector, NPT fitting.
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