(A105)GB(A105)BELLOWS GLOBE VALVE
ProductModel:WJ41H/W
NominalDiameter:15~350mm
NominalPressure:1.6~4.0MPa
suitabletemperature:-29°C-425°C
suitable Medium: water,steam,oil products
Product Description: GB STANDARD BELLOWS GLOBE VALVE (A105)
Product Features & Applications
- Purpose:
- Designed for critical shut-off and throttling in harsh industrial environments, ensuring zero-leakage performance for toxic, corrosive, or high-pressure media.
- Suitable for chemical processing, thermal power, oil/gas pipelines, and HVAC systems requiring compliance with Chinese national standards.
- Key Features:
- GB Compliance: Meets GB/T 12235, GB/T 20801, and HG/T 20592 standards.
- High-Temperature Resilience: Operational from -29°C to 425°C (-20°F to 800°F).
- Forged A105 Construction: Robust carbon steel body (A105) for durability in high-pressure applications.
- Bellows Seal Technology: Eliminates stem leakage, ideal for fugitive emission control.
Technical Specifications
| Parameter |
Details |
| Product Model |
WJ41H/W (GB Standard) |
| Nominal Diameter |
DN15-DN350 (NPS 1/2"-14") |
| Nominal Pressure |
PN16-PN40 (1.6-4.0 MPa) |
| Temperature Range |
-29°C to 425°C (-20°F to 800°F) |
| Body Material |
Forged Carbon Steel (A105) |
| Bellows Material |
Inconel 625 / SS316L (corrosion-resistant) |
| Seat/Disc Material |
STL+STL, STL+PTFE, STL+Flexible Graphite |
| Connection |
RF/RTJ Flanged (GB/T 9113-2010) |
| Actuator |
Manual handwheel, pneumatic/electric (Ex-proof options) |
Quality Standards & Certifications
- Compliance: Designed to GB/T 12235 (general requirements for globe valves), GB/T 20801 (pressure-temperature ratings), and TS License (China Special Equipment Manufacturing License).
- Testing:
- Shell Test: 1.5x PN (hydrostatic).
- Seat Leakage: GB/T 26480 Class IV/V (zero leakage).
- Material Verification: Spectrographic analysis (PMI) and NDT inspections.
- Certifications: ISO 9001, TS License, ATEX, IECEx (for hazardous areas), and NACE MR0175 (sour service compatibility).
- Warranty: 18 months from shipment.
Product Details
- Structure & Advantages:
- Forged A105 Body: Superior strength for high-pressure steam, oil, and gas applications.
- Metal Bellows: Maintains seal integrity under thermal cycling and vibration.
- Anti-Static Design: Prevents spark generation in explosive atmospheres.
- Modular Design: Easy maintenance with replaceable seat rings and bellows.
- Typical Applications:
- Petrochemical: Shut-off for corrosive fluids (e.g., sulfuric acid, nitric acid).
- Power Plants: Control of superheated steam and feedwater.
- Oil & Gas: Upstream/midstream pipelines (crude oil, natural gas).
- Refineries: High-temperature hydrocarbon processing.
- Customization Options:
- Materials: Upgrade to SS304/316L, Duplex SS, or Nickel Alloys.
- Ends: Butt-weld, socket-weld, or threaded (NPT/BSP).
- Actuation: Smart actuators with 4-20mA or digital communication protocols.
Why Choose Us?
- Expertise: 20+ years in GB/ASME valve manufacturing for global markets.
- Fast Delivery: 15-30 days for standard orders; urgent orders prioritized.
- Technical Support: CAD drawings, FEA simulations, and on-site commissioning.
Contact Us Now for quotes, technical consultations, or OEM collaborations!
Keywords: GB Bellows Globe Valve, A105 Forged Valve, Zero-Leakage Valve, High-Pressure Valve
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