1/4″-4″-PN16-BSPT Brass Globe Valves
Description
1/4″ – 4″ – PN16 – BSPT Brass Globe Valves
Technical Data Sheet – Series
1. General Information
| Item | Description |
|---|---|
| Valve Type | Globe Valve |
| Size Range | 1/4″ – 4″ (DN8 – DN100) |
| Pressure Rating | PN16 (16 bar) |
| Body Material | Brass (typically HPb59-1 / C37700 / CW614N) |
| End Connection | BSPT (ISO 7-1 / BS 21) female taper threads |
| Operation | Handwheel (rising stem, outside screw) |
| Application | Water, oil, gas, non-corrosive fluids; suitable for throttling and shut-off in low-pressure piping systems, HVAC, plumbing, and general industrial services |
2. Design & Manufacturing Standards
| Standard | Description |
|---|---|
| Design Code | BS 5154 / EN 12288 / BS 5160 (Brass globe valves) |
| Thread Standard | BSPT – ISO 7-1 / BS 21 (taper) |
| Face-to-Face Dimension | Manufacturer’s standard or BS 5154 / EN 558 (for threaded end valves) |
| Pressure-Temperature Rating | EN 1092-1 / ASME B16.34 (reference) |
| Inspection & Testing | EN 12266 / API 598 |
| Marking | BS 5352 / MSS SP-25 |
3. Main Materials (Typical)
| Component | Standard Material | Optional Materials |
|---|---|---|
| Body | Brass (HPb59-1 / C37700 / CW614N) | Bronze, Lead-free brass |
| Bonnet | Brass (matching body) | Bronze |
| Disc (Plug / Disc) | Brass | Bronze, Stainless steel, PTFE coated |
| Stem | Brass or Stainless Steel 420/430 | Stainless Steel 304/316 |
| Seat Sealing Surface | Brass body (integral) | PTFE, Stainless steel seat ring |
| Packing | PTFE / Graphite | Flexible graphite, PTFE+graphite |
| Gasket | PTFE or Non-asbestos fiber | Copper gasket |
| Handwheel | Cast iron or aluminum alloy (powder coated) | Brass, Stainless steel |
| Fasteners | Brass or Stainless Steel | Carbon steel zinc plated |
4. Size Range & Typical Dimensions
| Nominal Size | Thread (BSPT) | Face-to-Face Length L (approx.) | Height (approx.) | Weight (approx.) |
|---|---|---|---|---|
| 1/4″ (DN8) | 1/4″ | 40 – 50 mm | 70 mm | 0.2 kg |
| 3/8″ (DN10) | 3/8″ | 45 – 55 mm | 80 mm | 0.25 kg |
| 1/2″ (DN15) | 1/2″ | 55 – 65 mm | 90 mm | 0.35 kg |
| 3/4″ (DN20) | 3/4″ | 65 – 75 mm | 105 mm | 0.55 kg |
| 1″ (DN25) | 1″ | 80 – 90 mm | 125 mm | 0.85 kg |
| 1-1/4″ (DN32) | 1-1/4″ | 100 – 110 mm | 150 mm | 1.3 kg |
| 1-1/2″ (DN40) | 1-1/2″ | 110 – 125 mm | 170 mm | 1.8 kg |
| 2″ (DN50) | 2″ | 130 – 150 mm | 200 mm | 2.5 kg |
| 2-1/2″ (DN65) | 2-1/2″ | 170 – 190 mm | 250 mm | 4.0 kg |
| 3″ (DN80) | 3″ | 200 – 220 mm | 300 mm | 6.0 kg |
| 4″ (DN100) | 4″ | 250 – 280 mm | 370 mm | 10.0 kg |
⚠ Dimensions and weights are typical references. Final values may vary by manufacturer. Confirm with actual product drawing.
5. 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 globe valves are generally suitable for temperatures ≤150°C. Above 120°C, pressure must be derated. PTFE packing maximum service temperature is approx. 150°C.
6. Performance Data
| Parameter | Value |
|---|---|
| Pressure Rating | 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 (globe valves suitable for throttling) |
| Leakage Rate | Metal seated: minimal leakage (API 598 allowable) PTFE seated: zero leakage |
| Temperature Range (standard) | -10°C ~ +120°C (PTFE packing) |
| Suitable Media | Water, oil, gas, non-corrosive and mildly corrosive media |
| Flow Characteristic | Linear (for throttling) |
| Connection Type | BSPT female taper thread (also available with BSPP if required) |
| Stem Type | Rising stem (outside screw and yoke – OS&Y) |
7. Key Features
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Globe valve design – Suitable for both shut-off and throttling service; good flow regulation characteristics
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Brass body – Good corrosion resistance, machinability, and economy
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BSPT taper threads – Reliable leak-tight seal without additional sealants (PTFE tape recommended for installation)
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Rising stem – Visual indication of valve position (stem rises when opening)
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Replaceable packing – Easy maintenance
-
Integral seat – Leak-proof body-to-seat construction
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Bi-directional sealing (recommended installation with pressure under the disc)
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Wide size range – From 1/4″ to 4″ for various system requirements
8. Installation & Operation Instructions
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Thread connection – Apply PTFE tape or thread sealant to the male BSPT thread. Screw the valve onto the pipe. Do not over‑tighten to avoid body cracking.
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Flow direction – Globe valves are directional. The arrow cast on the body indicates the recommended flow direction (pressure should be under the disc for better shut-off and packing life).
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Operation – Turn handwheel clockwise to close, counter‑clockwise to open. Globe valves may be used for throttling (partially open) without significant damage.
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Maintenance – If stem leakage occurs, tighten the packing gland nut. For disc or seat leakage, disassemble and replace the disc or grind the seat.
9. Ordering Information
Please provide the following when ordering:
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Valve size (e.g., 1″, 2″, etc.)
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Pressure rating: PN16
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End connection: BSPT female thread
-
Body material: Brass (specify lead‑free if required)
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Disc / seat material (brass / PTFE coated / stainless steel)
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Packing material (PTFE / graphite)
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Media name, temperature, and pressure
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Quantity and packaging requirements
