1/4″-4″-PN16-BSPT Brass Globe Valves

1/4″ – 4″ – PN16 – BSPT Brass Globe Valves

Technical Data Sheet – Series

1. General Information

2. Design & Manufacturing Standards

3. Main Materials (Typical)

4. Size Range & Typical Dimensions

 Dimensions and weights are typical references. Final values may vary by manufacturer. Confirm with actual product drawing.

5. Pressure-Temperature Rating (Brass body)

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

7. 主な特徴

• Globe valve design – Suitable for both shut-off and throttling service; good flow regulation characteristics
• Brass body – Good corrosion resistance, machinability, and economy
• BSPT taper threads – Reliable leak-tight seal without additional sealants (PTFE tape recommended for installation)
• 上昇茎 – Visual indication of valve position (stem rises when opening)
• Replaceable packing – Easy maintenance
• Integral seat – Leak-proof body-to-seat construction
• Bi-directional sealing (recommended installation with pressure under the disc)
• Wide size range – From 1/4″ to 4″ for various system requirements

8. Installation & Operation Instructions

1. 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.
2. 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).
3. 手術 – Turn handwheel clockwise to close, counter‑clockwise to open. Globe valves may be used for throttling (partially open) without significant damage.
4. 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:

1. Valve size (e.g., 1″, 2″, etc.)
2. Pressure rating: PN16
3. End connection: BSPT female thread
4. Body material: Brass (specify lead‑free if required)
5. Disc / seat material (brass / PTFE coated / stainless steel)
6. Packing material (PTFE / graphite)
7. Media name, temperature, and pressure
8. Quantity and packaging requirements

保証:

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