B62 3/4″-150LB Globe Valve
Description
Technical Data Sheet
Aluminum Bronze Flanged Globe Valve
Model: 3/4″ – 150LB | Body Material: ASTM B62
1. General Information
| Item | Description |
|---|---|
| Product Name | Aluminum Bronze Flanged Globe Valve |
| Nominal Size | 3/4 inch (DN20) |
| Pressure Class | Class 150 LB |
| Connection Type | Flanged, Raised Face (RF) |
| Operation | Handwheel (Manual) |
| Applicable Media | Seawater, Steam, Water, Oil, & Non-corrosive Fluids |
| Temperature Range | -20°C to 220°C |
2. Applicable Standards
| Component | Standard |
|---|---|
| Design & Manufacture | MSS SP-80 / ASME B16.34 / BS 5154 |
| End-to-End Dimension | ASME B16.10 |
| Flange Dimension | ASME B16.5 Class 150 |
| Pressure Testing | API 598 / MSS SP-61 |
| Marking | MSS SP-25 |
3. Material of Construction (ASTM B62)
The valve body and bonnet are manufactured from ASTM B62 (C83600) , also known as 85-5-5-5 Red Brass or Leaded Red Brass.
Chemical Composition (ASTM B62)
| Element | Percentage (%) |
|---|---|
| Copper (Cu) | 84.0 – 86.0 |
| Tin (Sn) | 4.0 – 6.0 |
| Lead (Pb) | 4.0 – 6.0 |
| Zinc (Zn) | 4.0 – 6.0 |
| Others (Max) | 0.5 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Min) | 30,000 psi (205 MPa) |
| Yield Strength (Min) | 14,000 psi (95 MPa) |
| Elongation | 15% min |
| Hardness (Brinell) | 60 HB typical |
Parts List
| Part Name | Material | Standard / Grade | |
|---|---|---|---|
| 1 | Body | Aluminum Bronze | ASTM B62 (C83600) |
| 2 | Bonnet | Aluminum Bronze | ASTM B62 (C83600) |
| 3 | Disc / Valve Plug | Bronze / Stainless Steel | ASTM B62 / SS304/316 (Optional) |
| 4 | Stem | Naval Brass / Stainless Steel | ASTM B21 / SS316 |
| 5 | Packing Gland | Bronze | ASTM B62 |
| 6 | Handwheel | Cast Iron / Malleable Iron | – |
| 7 | Stem Packing | PTFE / Graphite | Non-asbestos |
| 8 | Bonnet Gasket | Copper / Graphite | Annealed Copper / SWG |
4. Dimensions (3/4″ – Class 150LB Flanged)
Reference Standard: ASME B16.10 & ASME B16.5
Flange Details (ASME B16.5 Class 150)
| Description | Inch | mm |
|---|---|---|
| Pipe Size | 3/4″ | DN20 |
| Flange Outer Diameter (D) | 4.25″ | 108 mm |
| Flange Thickness (C) | 0.56″ | 14.3 mm |
| Raised Face Diameter | 2.00″ | 50.8 mm |
| Raised Face Height | 0.06″ | 1.6 mm |
| Bolt Circle Diameter (K) | 3.12″ | 79.4 mm |
| Bolt Hole Diameter | 0.62″ | 16 mm |
| Number of Bolt Holes | 4 | 4 |
| Weld Neck / Threaded? | N/A (Flanged) | N/A |
Valve Dimensions
| Dimension | Inch (approx) | mm (approx) |
|---|---|---|
| Face-to-Face Length (L) | 5.50″ | 140 mm |
| Overall Height (H) – Closed | 6.30″ | 160 mm |
| Overall Height (H) – Open | 8.70″ | 220 mm |
| Handwheel Diameter (W) | 4.50″ | 115 mm |
Note: Dimensions may vary slightly depending on manufacturer. Please refer to the certified drawing before installation.
5. Pressure & Temperature Ratings
Based on ASME B16.34 / MSS SP-80 for Bronze/B62 material.
| Temperature (°F) | Temperature (°C) | Max. Working Pressure (psi) |
|---|---|---|
| -20 to 150 | -29 to 66 | 200 |
| 200 | 93 | 185 |
| 250 | 121 | 175 |
| 300 | 149 | 165 |
| 350 | 177 | 150 |
| 400 | 204 | 125 |
| 425 | 218 | 100 |
Test Pressure:
-
Shell Test: 300 psi (Hydrostatic)
-
Seat Test: 220 psi (Hydrostatic)
6. Product Features
-
Excellent Corrosion Resistance: ASTM B62 Aluminum Bronze offers superior resistance to seawater and brackish water corrosion, making it ideal for marine applications.
-
Long Service Life: The material’s anti-galling and anti-seizing properties ensure smooth operation and long-term reliability.
-
Tight Shut-off: Precision machined seat and disc provide bubble-tight sealing.
-
Compliance: Designed, manufactured, and tested in accordance with international standards (MSS, ASME, API).
-
Easy Maintenance: Bolted bonnet design allows for easy inspection and repair without removing the valve from the pipeline.
7. Applications
-
Marine & Shipbuilding: Seawater cooling systems, ballast systems, fire fighting.
-
Offshore Platforms: Seawater handling, utility systems.
-
Desalination Plants: Brine and seawater lines.
-
Industrial: Steam lines (low pressure), cooling water, and non-aggressive fluid control.
Disclaimer: The information provided in this datasheet is for general reference only. For specific applications and critical installations, please consult the manufacturer for certified drawings and torque specifications.
