从India供应商批量进口A216 Wcb Cast Carbon Steel Gate Valve

The A216 WCB Cast Carbon Steel Gate Valve from SQK Valves Fittings & Automation Private Limited is a rising-stem gate valve built from ASTM A216 Grade WCB cast carbon steel, a material specified for its tensile strength of 485 MPa minimum and yield strength of 250 MPa minimum at room temperature. This valve handles high-pressure shut-off duties in pipelines carrying steam, oil, gas, or non-corrosive fluids, with the WCB grade offering operational suitability from -29 degrees C to 425 degrees C under standard service conditions. The cast body construction permits complex internal flow passages, and the rising stem configuration gives visible position indication without requiring external sensors.

ASTM A216 WCB is the standard cast carbon steel grade for valves in ANSI pressure classes, with carbon content typically 0.30% maximum and manganese at 1.00% maximum to ensure weldability and toughness. The gate valve design uses a wedge or parallel-slide gate that seats against forged or cast seat rings, achieving bi-directional sealing with metal-to-metal contact suitable for Class 150 through报送 through Class 2500 ratings depending on bore size and wall thickness. Standard face-to-face dimensions follow ASME B16.10, and end connections are typically raised-face flanged or butt-weld to match pipeline specifications. Surface protection normally includes rust-preventive oil and polyethylene end caps for storage.

Buyers in oil and gas midstream, thermal power generation, and petrochemical refining procure A216 WCB gate valves for isolation duty on mainline piping, boiler feed systems, and process headers where full-bore flow with minimal pressure drop is required. The valve is not suited to throttling service, as partial gate opening causes vibration and seat erosion. Trade terms from Indian valve suppliers typically operate on FOB Mumbai or Mundra basis with L/C or T/T payment, though buyers should confirm SQK's specific Incoterms, inspection protocol, and whether API 6D or API 600 testing documentation accompanies the shipment.

SQK Valves Fittings & Automation Private Limited is an Indian supplier listed with imported-tier sourcing and harbor trust-tier status on the marketplace, with a response rate of 0.00% and no recorded average response time. The company profile does not indicate factory ownership, suggesting it operates as a trader, distributor, or import-dependent entity rather than a domestic manufacturer. Buyers should treat this as a procurement intermediary and verify whether SQK holds direct contractual relationships with foundries or maintains only arm's-length supply arrangements.

The listing provides no verified documentation of ISO or API certifications held directly by SQK, despite the product description referencing compliance with these standards. No headcount, annual revenue, year of establishment, or named client references appear in the profile. The company's location within India is not specified beyond the country level, so buyers should request the city and state to assess proximity to ports such as Mumbai, Mundra, or Chennai for logistics planning. Given the zero response rate, initial contact through alternative channels or allowing extended lead time for quotation is advisable.