DN25-PN25-RF Pneumatic Globe Valve

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

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

Material List (A105N Forged Steel Construction)

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

Pneumatic Actuator & Accessories

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

Dimensions & Weight (Typical)

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)

Performance & Features

Forged Steel A105N – Dense grain structure, no porosity, ideal for high-pressure, high-temperature, and low-temperature services.
Metal Seating (Stellite) – ANSI/FCI Class IV or V shut-off, excellent for steam, hydrocarbons, and abrasive media.
Pneumatic Actuation – Fast, remote automated control; fail-safe options available.
Compact & Rugged – Small footprint, suitable for critical piping systems.
Low Emission Packing – Flexible graphite packing reduces fugitive emissions.

Application Examples

Steam boiler blowdown
High-pressure condensate
Compressed air systems
Oil & gas skids
Industrial utilities

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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