DN15 – PN16 – BSPT Brass Gate Valve
Technical Data Sheet
- General Information
Item | Beschrijving |
Kleptype | Schuifafsluiter |
Nominale grootte | DN15 (1/2 inch) |
Drukclassificatie | PN16 (16 bar) |
Lichaamsmateriaal | Brass (typically HPb59-1 or C37700 / CW614N) |
End Connection | BSPT Female Taper Thread (British Standard Pipe Taper) |
Operatie | Handwheel (non-rising stem or rising stem; typically non-rising) |
Sollicitatie | Water, oil, gas, non-corrosive fluids; suitable for low pressure piping systems, HVAC, plumbing fixtures, etc. |
- Design & Manufacturing Standards
Standaard | Beschrijving |
Design Code | BS 5154 / BS 5150 / EN 12288 (Brass valves) |
Thread Standard | BSPT (ISO 7-1 / BS 21 taper thread) |
Face-to-Face Dimension | Manufacturer’s standard or BS 5154 |
Pressure-Temperature Rating | EN 1092-1 / ASME B16.34 (reference) |
Inspection & Testing | EN 12266 / API 598 |
Blow-out Proof Stem | Optional |
- Main Materials (Typical)
Onderdeel | Standard Material | Optional Materials |
Lichaam | Brass (HPb59-1 / C37700 / CW614N) | Bronze |
Bonnet | Brass (matching body) | Bronze |
Wedge (Gate) | Brass (solid or flexible wedge) | Bronze |
Stang | Brass or Stainless Steel 420/430 | Stainless Steel 304/316 |
Seat Sealing Surface | Brass body or PTFE coated | Bronze, Stainless Steel |
Packing | PTFE / Graphite | Flexible graphite |
Gasket | PTFE or Non-asbestos fiber | Flexible graphite |
Handwheel | Cast iron or aluminum alloy (powder coated) | Brass, Stainless Steel |
Fasteners | Brass or Stainless Steel | Carbon steel zinc plated |
- Outline Dimensions & Weight (Typical values – may vary by manufacturer)
Dimension Parameter | Value (Typical non-rising stem brass gate valve) |
Valve Length (end-to-end) L | Approx. 55 – 65 mm |
Thread Size (BSPT) | 1/2″ (DN15) female taper |
Handwheel Diameter | Approx. 50 – 60 mm |
Overall Height (closed position) H | Approx. 80 – 100 mm |
Valve Weight | Approx. 0.3 – 0.4 kg |
Dimensions above are typical references. Final dimensions may vary by manufacturer; confirm with actual product or drawing.
- Pressure-Temperature Rating (Brass body)
Temperature (°C) | Max. Working Pressure (bar) | Remarks |
-10 ~ 50 | 16 (PN16 rating) | Ambient |
100 | 10 | |
120 | 7 | |
150 | 4 | |
Note: Brass valves are generally suitable for temperatures ≤150°C. Above 120°C, pressure must be significantly derated. PTFE packing has a maximum service temperature of approx. 150°C.
- Performance Data
Parameter | Value |
Drukclassificatie | PN16 (16 bar @ 50°C) |
Shell Test Pressure (water) | 24 bar |
Seat Test Pressure (water) | 17.6 bar |
Air Seat Test Pressure | 6 bar |
Allowable Differential Pressure | Full rated pressure (gate valves not recommended for throttling) |
Leakage Rate | Metal seated: Minimal leakage (API 598 allowable) PTFE coated seat: Zero leakage |
Temperature Range | -10°C ~ +120°C (standard) |
Suitable Media | Water, oil, gas, non-corrosive media |
Kleptype | Non-rising stem wedge gate valve (normally uni-directional) |
- Belangrijkste kenmerken
- Brass body – Good corrosion resistance and machinability; suitable for water and low pressure steam
- BSPT taper thread – Reliable sealing, easy installation; no need for additional sealing tape
- Non-rising stem design – Compact construction, ideal for space‑limited installations
- Full bore or reduced bore – Typically reduced bore (slightly lower flow capacity than pipe size)
- Low operating torque – Light handwheel operation
- Cost effective – Widely used in construction, HVAC, water supply and drainage
- Installation & Operation Instructions
- Thread connection – Apply PTFE tape or thread sealant to BSPT male threads. Screw in clockwise. Do not over‑tighten to avoid cracking the valve body.
- Flow direction – Gate valves generally have no flow direction restriction, but it is recommended to install with the arrow (if marked) or horizontally.
- Operatie – Turn handwheel clockwise to close, counter‑clockwise to open. Valve should be fully open or fully closed; not suitable for throttling (may erode sealing surfaces).
- Maintenance – If stem leakage occurs, carefully tighten the packing gland nut. If leakage persists, replace the packing.
- Ordering Information
Please provide the following when ordering:
- Valve size (DN15), pressure rating (PN16)
- End connection: BSPT female thread
- Body material: Brass (specify lead‑free brass if required)
- Stem type (non‑rising stem typical)
- Sealing type (brass body / PTFE coated)
- Media name, temperature, and pressure
- Quantity and packaging requirements
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