2″-1500LB Pneumatic Globe Valve

Size 2 inches (DN50)
Pressure Class Class 1500 LB (PN250 / 3600 PSI)
Body Material Forged Carbon Steel (A105) / Forged Stainless Steel (A182 F304/F316) / Alloy Steel (F22) User specified
Manufacturing Process Forged Steel (Close Die Forged)
Design Standard ASME B16.34 / API 602 / BS 5352
End Connection Standard ASME B16.5 (Flanged RF/RTJ) / ASME B16.25 (BW)
Face to Face Standard ASME B16.10
Test & Inspection Std. API 598 / ISO 5208

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TECHNICAL DATA SHEET

Product Name: 2-inch 1500LB Pneumatic Actuated Globe Valve
Model/Specification: 2″-1500LB-PNEUMATIC-GLOBE
밸브 유형: Pneumatic Globe Valve (Control / On-Off)
Connection Type: Flanged (RF/RTJ) / Butt Weld (BW) User specified

Basic Design Parameters

매개변수	Standard/Specification
크기	2 inches (DN50)
Pressure Class	Class 1500 LB (PN250 / 3600 PSI)
본체 재질	Forged Carbon Steel (A105) / Forged Stainless Steel (A182 F304/F316) / Alloy Steel (F22) User specified
Manufacturing Process	Forged Steel (Close Die Forged)
Design Standard	ASME B16.34 / API 602 / BS 5352
End Connection Standard	ASME B16.5 (Flanged RF/RTJ) / ASME B16.25 (BW)
Face to Face Standard	ASME B16.10
Test & Inspection Std.	API 598 / ISO 5208
누설 등급	Class V / Class VI (Soft seat) per ANSI/FCI 70-2
Fire-Safe Design	API 607 (Optional)

Technical Specifications

매개변수	Details
밸브 유형	Straight Pattern Globe Valve, Forged Construction
Bonnet Type	Bolted Bonnet / Pressure Seal (for high pressure)
Stem Type	Outside Screw and Yoke (OS&Y), Rising Stem
Disc Type	Parabolic / Needle-type Disc (for throttling)
Seat Type	Metal Seat (Standard) / Soft Seat (Optional – PEEK/PTFE)
Applicable Media	Steam, Water, Oil, Gas, Corrosive Fluids (depending on material)
온도 범위	-29°C to +425°C (CS/A105) / up to +550°C (F22) / up to +180°C (SS with PTFE)
Flow Direction	Flow over disc (standard) / Flow under disc (optional)
작업	Pneumatic Actuator (Double-acting / Spring-return)

Pneumatic Actuator Specifications

매개변수	Details
Actuator Type	Pneumatic Piston / Diaphragm Actuator
Action Mode	Double-Acting / Spring-Return (Fail-Open / Fail-Close)
Air Supply Pressure	3 – 8 bar (40 – 115 PSI) typical
Control Type	On-Off (with solenoid valve) / Modulating (with positioner)
Positioner	Electro-pneumatic (4-20mA input) / Pneumatic (optional)
Accessories	Limit Switches, Solenoid Valve, Air Filter Regulator, Boosters, Manual Override
Mounting Bracket	Custom fabricated, ISO 5211 compliant mounting
Manual Override	Handwheel (optional)
Ambient Temperature	-20°C to +80°C (standard)

Material of Construction (Recommended – Carbon Steel)

Part Name	재료	Standard/Grade
몸	Forged Carbon Steel	ASTM A105
Bonnet	Forged Carbon Steel	ASTM A105
Disc / Valve Plug	Stainless Steel + Hardfacing	A276 420 / A182 F304 + Stellite
Seat Ring	Stainless Steel (Integral or Renewable)	A182 F304 / F316 (Hardfaced)
줄기	Stainless Steel	ASTM A182 F6a (13Cr) / A276 420
Gasket	Spiral Wound	Stainless Steel + Graphite
Packing	Flexible Graphite / PTFE	Low sulfur graphite
Stem Nut	Aluminum Bronze	C95400 / CuAl10Fe3
Body Bolts/Nuts	Alloy Steel	ASTM A193 B7 / A194 2H
Yoke	Cast Iron / Fabricated Steel	For actuator mounting

*For Stainless Steel version (A182 F304/F316): body/bonnet to SS, bolting changes to A193 B8 / A194 8 *

Main Dimensions & Connection Details

Note: Dimensions for 2″ Class 1500 Flanged Globe Valve. Based on industry standards .

5.1 Valve Body Dimensions (Face-to-Face)

크기	Pressure Class	L (RF/RTJ) mm	L (RF/RTJ) in	H (Open) mm	H (Open) in	Weight (kg)	Weight (lbs)
2″	1500LB	368 – 371	14.5 – 14.6	355 – 524	14.0 – 20.6	28 – 53	62 – 117

*Note: H(open) and weight vary by manufacturer and actuator size. Valve body weight approx 28-53kg, actuator adds additional weight.*

5.2 Flange Details (Per ASME B16.5 – Class 1500)

매개변수	2″ Flange
Flange Diameter (OD)	215 mm (8.5 in)
Bolt Circle Diameter (PCD)	165.1 mm (6.5 in)
Number of Bolt Holes	8
Bolt Hole Diameter	25.4 mm (1.0 in)
Bolt Thread Size	7/8″ UNC
Raised Face Height	7 mm (0.28 in)
RTJ Groove	Per ASME B16.5

Pressure-Temperature Rating (ASME B16.34 / Class 1500)

Material Group: Carbon Steel (ASTM A105)

Temperature (°C)	Working Pressure (bar)	Working Pressure (psi)	노트
-29 to 38	250	3625	Maximum Rating (Class 1500)
100	235	3400
200	220	3190
300	205	2970
400	190	2755
425	175	2540	Max for A105

*For Stainless Steel (F304/F316): similar ratings up to 180°C (PTFE seats) or higher with metal seats . For F22 Alloy Steel: up to 550°C with derating .*

Flow Characteristics (2″ – Class 1500)

매개변수	Value
Flow Coefficient Cv (approx)	~50 – 80 (typical for 2″ globe valve)
Flow Coefficient Kv (approx)	~43 – 70
Flow Characteristic	Linear / Equal Percentage (depending on trim)
Seat Leakage Class	Class V (Metal Seat) / Class VI (Soft Seat) per ANSI/FCI 70-2

Test Pressure (API 598)

Test Type	Medium	Pressure (bar)	Pressure (psi)	Acceptance Criteria
Shell Test (Hydrostatic)	Water	375	5440	1.5 x 38°C Rating (no visible leakage)
High-Pressure Seat Test	Water	275	3990	1.1 x 38°C Rating (Rate A/B per API 598)
Low-Pressure Seat Test	Air / N2	5.5 – 7.0	80 – 100	Bubble-tight
Actuator Test	Air	5.5	80	Function test (full stroke)

Pneumatic Actuator Selection Guide

Actuator Size	Air Supply	Thrust	Action Type	Suitable for
Small	4-6 bar	Low	Spring-Return	On-Off, low DP
Medium	5-7 bar	Medium	Double-Acting	Modulating control
Large	6-8 bar	High	Double-Acting	High DP, emergency shutdown

Note: Actuator sizing depends on differential pressure, required fail-safe action, and operating speed. Final selection by manufacturer based on process conditions.

Features & Applications

Key Features:

High Pressure Capability (1500LB): Designed for demanding high-pressure applications up to 250 bar .
Forged Body Construction: Provides superior strength and reliability compared to cast valves .
Pneumatic Actuation: Fast response for on-off or modulating control with 4-20mA positioner options .
Excellent Throttling Control: Globe valve design provides precise flow regulation.
Flexible Configuration: Available with spring-return (fail-safe) or double-acting actuators .
Manual Override: Optional handwheel allows manual operation during air supply failure .
Versatile Material Options: Carbon steel, stainless steel, or alloy steel (F22) for various services .
Multiple Seat Options: Metal seats for high temperature, soft seats for zero leakage.
Low Fugitive Emissions: Optional live-loaded packing for emissions control.
Wide Temperature Range: -29°C to 550°C depending on materials .

Main Applications:

Power Plants: High-pressure steam and feedwater control .
Refineries & Petrochemical: Hydrocarbon processing, high-pressure fluid control.
Oil & Gas Production: Wellhead control, gathering systems.
Pipeline Systems: Pressure control and isolation.
Chemical Processing: Corrosive fluid handling (with SS materials).
Industrial Boilers: Blowdown and steam control.

Ordering Information

Please specify when ordering:

Valve size: 2″ (DN50)
Pressure class: 1500LB
Body material: A105 / F304 / F316 / F22
End connections: Flanged RF/RTJ / BW
Seat type: Metal / Soft (PEEK/PTFE)
Actuator action: Double-acting / Spring-return (Fail-Open / Fail-Close)
Control type: On-Off / Modulating (4-20mA)
Accessories: Positioner, solenoid valve, limit switches, air filter regulator
Special requirements: Fire-safe, NACE, oxygen cleaning, etc.

Disclaimer: The above data is prepared based on common industry standards (ASME B16.34, API 598, API 602) for pneumatic globe valves . Specific dimensions, materials, and actuator sizing may vary by manufacturer based on actual pressure and temperature conditions. The final technical agreement and certified drawings shall prevail.

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