TECHNICAL DATA SHEET
Product Name: 2-inch 1500LB Pneumatic Actuated Globe Valve
Model/Specification: 2″-1500LB-PNEUMATIC-GLOBE
Ventiltyp: Pneumatic Globe Valve (Control / On-Off)
Connection Type: Flanged (RF/RTJ) / Butt Weld (BW) User specified
- Basic Design Parameters
|
Parameter
|
Standard/Specification
|
|
Größe
|
2 inches (DN50)
|
|
Pressure Class
|
Class 1500 LB (PN250 / 3600 PSI)
|
|
Gehäusematerial
|
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
|
|
Leckageklasse
|
Class V / Class VI (Soft seat) per ANSI/FCI 70-2
|
|
Fire-Safe Design
|
API 607 (Optional)
|
- Technical Specifications
|
Parameter
|
Details
|
|
Ventiltyp
|
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)
|
|
Temperaturbereich
|
-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)
|
|
Betrieb
|
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
|
|
Körper
|
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)
|
|
Stängel
|
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)
|
Größe
|
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.
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