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

Hubungi Kami

Pneumatic Globe Valve – Technical Data Sheet

Material: A105N (Forged Steel, Normalized)
Size: DN25 | Pressure: PN25 | Connection: Flanged RF

Item	Spesifikasi
Jenis Injap	Pneumatic Globe Valve, Bolted Bonnet, Outside Screw & Yoke (OS&Y)
Bahan Badan	A105N – Forged Carbon Steel, Normalized (improved impact toughness)
Saiz Nominal	DN25 (1”)
Penilaian Tekanan	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)
Bersemuka	ASME B16.10 / EN 558

Material List (A105N Forged Steel Construction)

Komponen	bahan	Teguran
Badan	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
Batang	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

JAMINAN:

SAVVY VALVES komited untuk menyampaikan kualiti produk yang luar biasa dan perkhidmatan selepas jualan tanpa bimbang. Injap kami dijamin memberikan hayat perkhidmatan minimum selama 12 bulan, di mana kami akan membekalkan semua alat ganti yang diperlukan dan arahan penyelenggaraan terperinci secara percuma. Dalam tempoh jaminan, jika sebarang kerosakan bukan disebabkan oleh manusia berlaku, kami akan menggantikan komponen tanpa kos dan menyediakan sokongan teknikal profesional. Selepas jaminan tamat, pelanggan hanya perlu membayar kos alat ganti, sementara masih mendapat manfaat daripada perkhidmatan penyelenggaraan berdiskaun. Matlamat kami adalah untuk membantu pelanggan mengurangkan kos operasi dan meningkatkan kecekapan pengeluaran melalui kualiti yang boleh dipercayai dan sokongan selepas jualan yang komprehensif. Sama ada untuk pertanyaan teknikal atau keperluan penyelenggaraan, pasukan pakar kami akan bertindak balas dengan segera untuk memastikan sistem injap anda mengekalkan prestasi optimum pada setiap masa.

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