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Size 1/2 inch (DN15)
Pressure Class Class 2500 LB (PN420)
Body Material Stainless Steel (ASTM A182 F304 / F304L / F316 / F316L)
Manufacturing Process Forged Steel (Close Die Forged)
Design Standard API 602 / ASME B16.34 / BS 6364
End Connection Standard ASME B16.25 (BW) / ASME B16.11 (SW) / ASME B1.20.1 (NPT)
Face to Face Standard ASME B16.10 or Manufacturer Standard
Test & Inspection Std. API 598 / BS 6364 (Cryogenic Test)
Fugitive Emission Compliance ISO 15848-1 / API 624 (Optional)



1/2″-2500LB Cryogenic Globe Valve
TECHNICAL DATA SHEET
Product Name: 1/2-inch 2500LB Stainless Steel Cryogenic Globe Valve
Model/Specification: 1/2″-2500LB-CRYO-GLOBE
Valve Type: Globe Valve (Cryogenic Service)
Connection Type: Butt Weld (BW) / Socket Weld (SW) / Threaded (NPT) User specified
Parameter | Standard/Specification |
Size | 1/2 inch (DN15) |
Pressure Class | Class 2500 LB (PN420) |
Body Material | Stainless Steel (ASTM A182 F304 / F304L / F316 / F316L) |
Manufacturing Process | Forged Steel (Close Die Forged) |
Design Standard | API 602 / ASME B16.34 / BS 6364 |
End Connection Standard | ASME B16.25 (BW) / ASME B16.11 (SW) / ASME B1.20.1 (NPT) |
Face to Face Standard | ASME B16.10 or Manufacturer Standard |
Test & Inspection Std. | API 598 / BS 6364 (Cryogenic Test) |
Fugitive Emission Compliance | ISO 15848-1 / API 624 (Optional) |
Parameter | Details |
Valve Type | Straight Pattern Globe Valve, Cryogenic Service |
Bonnet Type | Bolted Bonnet with Integral Extended Bonnet (for cryogenic service) |
Stem Type | Outside Screw and Yoke (OS&Y), Rising Stem |
Disc Type | Parabolic / Needle-type Disc (for throttling) |
Service Temperature | -196°C to +200°C (depending on trim) |
Applicable Media | LNG, LOX, LIN, LAr, Ethylene, and other cryogenic fluids |
Operation | Handwheel / Gearbox / Pneumatic Actuator / Electric Actuator |
Backseat Design | Standard (Protects packing when valve fully open) |
Part Name | Material | Standard/Grade |
Body | Forged Stainless Steel | ASTM A182 F304 / F304L / F316 / F316L |
Bonnet | Forged Stainless Steel | ASTM A182 F304 / F304L / F316 / F316L |
Disc / Wedge | Stainless Steel | ASTM A182 F304 / F316 |
Seat Ring | Stainless Steel (Integral) | ASTM A182 F304 / F316 |
Stem | Stainless Steel | ASTM A182 F304 / F316 |
Gasket | Flexible Graphite + Stainless Steel | Spiral Wound / Reinforced |
Packing | Flexible Graphite | Low temperature stable |
Gland | Stainless Steel | ASTM A182 F304 / F316 |
Gland Flange | Stainless Steel | ASTM A182 F304 / F316 |
Bolts / Nuts | Stainless Steel | ASTM A193 B8 / A194 8 |
Handwheel | Malleable Iron / Stainless Steel | A197 / ASTM A182 F304 |
*Note: Dimensions are for 1/2″ Forged Steel Cryogenic Globe Valve. BW/SW/NPT dimensions may vary by manufacturer. Consult manufacturer for exact dimensions.*
4.1 End-to-End Dimensions (Approximate)
Size | Pressure Class | Connection Type | L (mm) | L (in) | H (Closed) mm | H (Closed) in | W (Handwheel) mm | W (Handwheel) in | Weight (kg) | Weight (lbs) |
1/2″ | 2500LB | BW / SW / NPT | 165 | 6.5 | ~230 | ~9.1 | ~125 | ~4.9 | ~2.5 | ~5.5 |
4.2 Extended Bonnet (Cryogenic Feature)
4.3 End Preparation Details (Per ASME Standards)
Connection Type | Standard | Details |
Butt Weld (BW) | ASME B16.25 | Bevel Angle: 37.5°, Root Face: 1.6 mm, Counterbore to match pipe schedule (e.g., Sch. 160, XXS) |
Socket Weld (SW) | ASME B16.11 | Socket depth per standard, Bore diameter to match pipe |
Threaded (NPT) | ASME B1.20.1 | Tapered pipe threads, 1/2″ NPT |
*Material Group: Stainless Steel (A182 F304/F316)*
Temperature (°C) | Working Pressure (bar) | Working Pressure (psi) | Notes |
-196 to -29 | 420 | 6090 | Cryogenic Range (BS 6364 certified) |
-29 to 38 | 420 | 6090 | Maximum Rating |
50 | 420 | 6090 | |
100 | 395 | 5730 | |
150 | 375 | 5440 | |
200 | 360 | 5220 | Maximum temperature for standard trim |
*Note: For cryogenic service (below -46°C), valves are typically tested and certified per BS 6364 at -196°C.*
Parameter | Value |
Flow Coefficient Cv (US gal/min) | ~3.0 – 4.0 (typical for 1/2″ Class 2500 globe valve) |
Flow Coefficient Kv (m³/h) | ~2.6 – 3.5 |
Port Diameter | ~9.5 mm (0.375 in) (typical for 1/2″ Class 2500) |
Test Type | Medium | Pressure (bar) | Pressure (psi) | Acceptance Criteria |
Shell Test (Hydrostatic) | Water | 630 | 9135 | 1.5 x 38°C Rating (no visible leakage) |
High-Pressure Seat Test | Water | 462 | 6700 | 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 |
Cryogenic Seat Test | Helium / N2 | @ Rated Pressure | @ Rated Pressure | Per BS 6364 at -196°C |
Disclaimer: The above data is prepared based on common standards for cryogenic globe valves. Specific dimensions, materials, and pressure ratings may vary by manufacturer. The final technical agreement 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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