DN15-PN64-Ferrule Needle Valve

DN15-PN64-Ferrule Needle Valve

Valve Type Needle Valve
Nominal Size DN15 (1/2 inch; ferrule size typically 12mm or 1/2″)
Pressure Rating PN64 (64 bar / 6.4 MPa)
End Connection Twin Ferrule / Double Ferrule (both ends)
Body Material Stainless Steel 316 (SS316) as standard; 304 / alloy steel optional
Operation Manual with handle or handwheel
Application Instrumentation lines, sampling systems, flow regulation or shut-off for high-pressure gas or liquid lines

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DN15 – PN64 – Ferrule Needle Valve

Technical Data Sheet

  1. General Information

Item

Penerangan

Jenis Injap

Needle Valve

Saiz Nominal

DN15 (1/2 inch; ferrule size typically 12mm or 1/2″)

Penilaian Tekanan

PN64 (64 bar / 6.4 MPa)

End Connection

Twin Ferrule / Double Ferrule (both ends)

Bahan Badan

Stainless Steel 316 (SS316) as standard; 304 / alloy steel optional

Operasi

Manual with handle or handwheel

Permohonan

Instrumentation lines, sampling systems, flow regulation or shut-off for high-pressure gas or liquid lines

  1. Design & Manufacturing Standards

Standard

Penerangan

Design Code

ISO 17292 / Referencing API 6D and ASME B16.34 (needle valve section)

Ferrule Connection Dimensions

ISO 8434-1 / DIN 2353 / GB/T 3733 (twin ferrule)

Body Configuration

Straight pattern or angle pattern (as required)

Pressure-Temperature Rating

ASME B16.34

Inspection & Testing

API 598 / ISO 5208

Nut Thread Standard

UNF or metric thread (ferrule nut)

Packing Material

PTFE / Graphite / Graphite + PTFE

  1. Main Materials (Typical)

Komponen

Standard Material

Optional Materials

Badan

Stainless Steel 316 / 316L

Stainless Steel 304, Alloy Steel 4140, Hastelloy

Batang

Stainless Steel 316

SS316 hard chrome plated, 17-4PH

Stem Packing

PTFE

Flexible graphite, PTFE+graphite, PEEK

Stem Tip

Needle type (sharp edge or blunt), SS316

Hardfaced (Stellite)

Ferrule (front & back)

Stainless Steel 316

Stainless Steel 304, Alloy Steel

Ferrule Nut

Stainless Steel 316

Stainless Steel 304

Handle / Handwheel

Stainless steel or aluminum alloy

Carbon steel chrome plated

Fasteners

Stainless Steel A193 B8

Alloy Steel B7

  1. Outline Dimensions & Weight (Typical values – may vary by manufacturer)

Dimension Parameter

Value (Straight pattern, twin ferrule)

Valve Length (end-to-end) L

Approx. 65 – 85 mm (depending on design)

Ferrule Tube O.D.

12 mm (common for DN15) or 1/2″ (12.7 mm)

Overall Height (handwheel) H

Approx. 70 – 90 mm (higher when handwheel raised)

Handwheel Diameter

Approx. 40 – 50 mm

Hex Size (body)

Approx. 22 mm

Valve Weight

Approx. 0.3 – 0.5 kg

 Dimensions above are typical references. Final dimensions to be confirmed with manufacturer’s drawing.

  1. Pressure-Temperature Rating (Stainless Steel 316 body)

Temperature (°C)

Max. Working Pressure (bar)

Teguran

-20 ~ 38

64 (PN64 rating)

Ambient

100

56

150

48

200

42

250

36

300

28

350

22

400

16

Note: PN64 is the maximum allowable working pressure at ambient temperature. As temperature increases, pressure must be derated per ASME B16.34. PTFE packing has a maximum service temperature of approx. 200°C; graphite packing is required for higher temperatures.

  1. Performance Data

Parameter

Value

Penilaian Tekanan

PN64 (64 bar @ 38°C)

Shell Test Pressure (water)

96 bar

Seat Test Pressure (water)

70 bar

Air Seat Test Pressure

6 bar

Allowable Differential Pressure

Full rated pressure

Leakage Rate

Metal stem tip: Minimal leakage (per API 598)
Soft tip (PTFE/PEEK): Zero leakage

Temperature Range (PTFE packing)

-20°C ~ +200°C

Temperature Range (Graphite packing)

-20°C ~ +400°C

Suitable Media

Water, oil, gas, steam, non-corrosive and mildly corrosive media

Flow Characteristic

Linear

Jenis Injap

Needle regulating / shut-off valve

End Connection

Twin ferrule – suitable for stainless steel or copper tubing

  1. Ciri-ciri Utama
  • Needle stem tip – Provides precise flow regulation for very low flow rates
  • Twin ferrule connection – No welding required; reliable leak-tight seal; easy disassembly and maintenance
  • Stainless steel body – Excellent corrosion resistance
  • Blow-out proof stem – Ensures safety under high pressure
  • Replaceable packing – Easy online adjustment or replacement
  • Multiple stem tip options – Soft seat (PTFE/PEEK) or metal hard seat (sharp edge / blunt)
  • Bi-directional sealing – Can withstand pressure from both directions (arrow indicates recommended flow direction)
  1. Installation & Operation Instructions
  1. Ferrule installation – Insert tube fully into the ferrule socket. Hand-tighten the nut, then tighten with a wrench 1 – 1.25 turns from finger-tight (follow manufacturer’s instructions).
  2. Flow direction – An arrow on the body indicates recommended flow direction. The valve can be used bidirectionally, but pressure drop may differ slightly.
  3. Operasi – Turn the handle clockwise to close, counterclockwise to open. Needle valves are designed for flow regulation; avoid long-term operation in fully closed or barely open positions.
  4. Maintenance – If external leakage occurs, carefully tighten the packing nut after depressurizing. If leakage persists, replace the packing.
  1. Ordering Information

Please provide the following when ordering:

  1. Valve size (DN15), pressure rating (PN64)
  2. End connection: Twin ferrule, tube O.D. (e.g., 12mm or 1/2″)
  3. Body material (SS316 / SS304 / other)
  4. Stem tip sealing type (metal needle tip / PTFE soft tip)
  5. Packing material (PTFE / graphite)
  6. Valve configuration (straight pattern / angle pattern)
  7. Media name, temperature, and pressure
  8. Additional accessories (panel mounting nut, dust cap, etc.)

JAMINAN:

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