Premium forged steel flanged gate valves designed for positive shut-off in critical pipeline systems. Featuring robust forged construction (ASTM A105/A182) and flanged connections (ASME B16.5), these valves deliver superior performance in high-pressure, high-temperature applications across oil & gas, power generation, and petrochemical industries.
✔ 100% Forged Steel Body – Maximum strength and durability
✔ Rising Stem Design – Clear visual position indication
✔ Fire-Safe Option – API 607 compliant models available
✔ Low Operating Torque – Easy operation even at high pressures
✔ Bubble-Tight Shutoff – ISO 5208 Rate A leakage standard
|
Parameter |
Specification |
|
Body Material |
ASTM A105 (CS), A182 F304/F316 (SS), F51 (Duplex) |
|
Pressure Rating |
Class 150 – 2500 (ASME B16.34) |
|
Size Range |
½" – 24" (DN15 – DN600) |
|
Temperature Range |
-29°C to 593°C (standard materials) |
|
Flange Standard |
ASME B16.5 (RF/FF), PN10-PN420, JIS 10K-20K |
|
Seat Material |
13% Cr, Stellite 6, Flexible Graphite |
|
Stem Material |
SS410, SS304, Alloy 6 |
|
Design Standards |
API 600, ASME B16.34, BS 1414 |
|
Testing Standard |
API 598 (Shell & Seat Test) |
Flexible Wedge Design – Compensates for seat wear
Blowout-Proof Stem – Meets API 600 requirements
Backseat Feature – Allows packing replacement under pressure
ISO 5211 Mounting Pad – Ready for actuator installation
Anti-Static Device – Standard on all sizes
Oil & Gas: Pipeline isolation, wellhead service
Power Plants: Steam, feedwater systems
Refining: Crude and product pipelines
Chemical Processing: Corrosive media handling
Water Treatment: High-pressure systems
✅ Zero-Leak Performance – Precision-machined seats
✅ Extended Service Life – Hard-faced trim components
✅ Global Certifications – API, PED, ISO, NACE MR0175
✅ Custom Solutions – Special materials, extended bonnets
If you have any enquiry about quotation or cooperation,please feel free to email us at eman@chhyv.com or use the following enquiry form. Our sales will contact you within 24 hours. Thank you for your interest in our products.
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