TECHNICAL DATA SHEET
Product Name: 2-inch 1500LB Pneumatic Actuated Globe Valve
Model/Specification: 2″-1500LB-PNEUMATIC-GLOBE
Valve Type: Pneumatic Globe Valve (Control / On-Off)
Connection Type: Flanged (RF/RTJ) / Butt Weld (BW) User specified
- Basic Design Parameters
|
Parameter
|
Standard/Specification
|
|
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
|
|
Leakage Class
|
Class V / Class VI (Soft seat) per ANSI/FCI 70-2
|
|
Fire-Safe Design
|
API 607 (Optional)
|
- Technical Specifications
|
Parameter
|
Details
|
|
Valve Type
|
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)
|
|
Temperature Range
|
-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)
|
|
Operation
|
Pneumatic Actuator (Double-acting / Spring-return)
|
- Pneumatic Actuator Specifications
|
Parameter
|
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
|
Material
|
Standard/Grade
|
|
Body
|
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)
|
|
Stem
|
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)
|
Size
|
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)
|
Parameter
|
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)
|
Notes
|
|
-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)
|
Parameter
|
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.
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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