Pneumatic Globe Valve – Technical Data Sheet
Material: A105N (Forged Steel, Normalized)
Size: DN25 | Pressure: PN25 | Connection: Flanged RF
Item | Specification |
Valve Type | Pneumatic Globe Valve, Bolted Bonnet, Outside Screw & Yoke (OS&Y) |
Body Material | A105N – Forged Carbon Steel, Normalized (improved impact toughness) |
Nominal Size | DN25 (1”) |
Pressure Rating | PN25 (Class 150 equivalent; also suitable for Class 300 with design verification) |
End Connection | Flanged, Raised Face (RF) |
Flange Standard | ASME B16.5 / HG/T 20592 (or as specified) |
Design Standard | ASME B16.34 / API 602 (for forged small bore valves) |
Face-to-Face | ASME B16.10 / EN 558 |
Component | Material | Remarks |
Body | A105N | Forged steel, normalized – superior strength and low-temperature toughness |
Bonnet | A105N | Forged, bolted bonnet design |
Disc / Plug | F6a (13Cr) + Stellite | Hardfaced for wear resistance; optional 304/316 SS |
Stem | F6a (13Cr) | Rolled threads, hardfaced; optional SS |
Seat Ring | Integral or threaded F6a + Stellite | Metal seated (Class V shut-off) |
Packing | Flexible Graphite + SS braid | Low emission, high temperature |
Gasket | Spiral Wound (SS + Graphite) | For bonnet flange seal |
Bolting | A193 B7 / A194 2H | For pressure-containing bolted joints |
Parameter | Data |
Actuator | Piston type, single-acting (spring return) or double-acting |
Air Supply | 0.4 – 0.7 MPa (60 – 100 psi) |
Action | Fail Closed (air to open) / Fail Open (air to close) |
Accessories | Solenoid valve, limit switch, filter regulator, positioner (optional) |
Air Connection | 1/4″ NPT or G1/4 |
Dimension | mm (approx.) |
Face-to-Face (L) | 160 |
Flange OD (D) | 115 (ASME Class 150) |
Bolt Circle (K) | 85.0 |
Flange Thickness (C) | 18.0 |
Bolt Holes | 4 × ø14 |
Overall Height (H) | 450 – 550 (depending on actuator) |
Weight | ~15 – 20 kg (complete assembly) |
GUATANTEE:
SAVVY VALVES is committed to delivering exceptional product quality and worry-free after-sales service. Our valves are guaranteed to provide a minimum service life of 12 months, during which we will supply all necessary spare parts and detailed maintenance instructions free of charge. Within the warranty period, if any non-human-induced damage occurs, we will replace components at no cost and provide professional technical support. After the warranty expires, customers only need to pay for the cost of spare parts, while still benefiting from discounted maintenance services. Our goal is to help clients reduce operational costs and enhance production efficiency through reliable quality and comprehensive after-sales support. Whether for technical inquiries or maintenance needs, our expert team will respond promptly to ensure your valve system maintains optimal performance at all times.
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