| Availability: | |
|---|---|
| Quantity: | |
J-VALVES 3" 150LB Noncorrosive Cast Steel Globe Valve
Product Features
High-Quality Material: Made of non-corrosive cast steel material, it has good corrosion resistance and mechanical strength, and can withstand relatively high working pressures and temperatures.
Precise Control: The close fit between the valve disc and the valve seat ensures precise control of fluids, enabling excellent sealing performance and preventing leakage.
Easy Maintenance: The valve has a rational structural design, which is convenient for disassembly and maintenance, reducing maintenance costs and time.
Multiple Connection Methods: It offers various connection methods, such as flange connection and threaded connection, facilitating connection with different types of piping systems.
Wide Application: It is applicable to a variety of fluid media, including water, steam, oil, natural gas, etc., and is widely used in industries such as petrochemical, electric power, metallurgy, and construction.
Technical Specifications
Diameter: 1/2"~36" (DN15~DN900)
Pressure Rating: 150LB~2500LB (PN20~PN420)
Operating Temperature: -29℃~425℃
Applicable Media: Water, steam, oil, natural gas, and some corrosive liquids
Connection Methods: Flange connection, threaded connection, etc.
Design Standards: ANSI B16.34, BS 1873
Inspection and Testing: API 598, BS 6755, EN10204 3.1B
Application Areas
Petrochemical Industry: It is used to control the flow of media such as oil and natural gas, ensuring the safety and stability of the production process.
Electric Power Industry: In the cooling water systems and boiler feedwater systems of power plants, it is used to control the flow of water and steam.
Metallurgical Industry: In various fluid pipelines during the metallurgical process, it is used to control the flow of media and prevent impurities from entering key equipment.
Construction Field: In the building water supply and drainage systems, it is used to control the flow of water and ensure the normal operation of the water supply system.
Food Processing: In the piping systems of the food processing industry, it is used to control the flow of liquid media and ensure the hygiene and safety of the food processing process.
Maintenance and Care
Regular Inspection: Regularly conduct visual inspections on the valve to check for leakage, corrosion, damage, etc., and promptly identify and handle potential problems.
Cleaning and Lubrication: Regularly clean and lubricate the valve to maintain its flexibility and sealing performance.
Replacement of Parts: If parts such as the valve disc and valve seat are found to be worn or damaged, they should be replaced in a timely manner to ensure the sealing performance of the valve.
Competitive Advantage:
On Samples Buyer bear the air fee, but this fee will be reduced from order directly
On After Sales Free replacement if there is any quality problem
On Delivery Never delay delivery time
On Materials Ensure material pure
Ensure material pure
API 598 test durations by size, why the timer starts after the pressure settles, and what a 1.5 times shell test cannot tell you about service.
Pneumatic actuator failure modes and field diagnostics: air supply quality, diaphragm rupture, spring relaxation, torque margins and partial stroke testing.
How a butterfly valve disc is fixed to its stem: taper pins, pinless hubs and through shafts, the backlash each allows, and the failures they cause.
Steam PRV station design: critical pressure ratio, Kv sizing, 1/3-2/3 parallel turndown, series stations and safety valve sizing rules.
Why LNG ball valve seats that pass warm tests leak cold at -162°C: contraction arithmetic, cold preload, PCTFE vs PTFE, ISO 28921-2 and MSS SP-134 limits.
What API 607 proves: burn sequence, 7th-edition leak limits per NPS, cavity pressure rules, API 6FA vs ISO 10497, and the clauses buyers must check.
MSS SP-80 bronze valves: the class number is a saturated steam rating, not a pressure rating. Alloys, threads, lead-free rules and where bronze stops.
Stellite or tungsten carbide for erosive service: erosion angles, hardness ratios, HVOF vs weld overlay, the 500 C limit, and the clauses that win acceptance.
Valve coating is a defect-budget decision, not a product choice: ENP vs FBE vs sprayed aluminium, holiday arithmetic, CUI and the specs that win acceptance.
Temporary and start-up strainers for commissioning: placement, plate versus mesh, blowdown discipline and the removal record that proves it was pulled.
What MSS SP-25 marking really commits to: body symbols, three-symbol trim marking, melt identification and the certificate that closes the loop.
Why ball valves pass high-pressure seat tests and fail at 0.6 MPa: seat preload arithmetic, SPE and DPE seats, DBB vs DIB-1/DIB-2, and test-proofing specs.
RF, RTJ and butt-weld valve ends compared: how each joint seals, which duty suits it, and the four assembly errors that cause most joint leaks.
Why PTFE and PFA liners fail when the chemistry is right: permeation arithmetic, vacuum collapse, cold flow and the 11:1 expansion mismatch at the flange.
C95800 and C95500 are cast to ASTM B148; C63200 is wrought to ASTM B150. Aluminum and manganese levels decide strength, weldability and valve use.
Jacket heat load arithmetic, sulfur's 159 C viscosity trap, the separate jacket pressure test and the weld failures buyers discover in year five.
API 603 and API 600 both cover bolted bonnet gate valves, but wall thickness basis, class ceiling and casting rules decide which one you can actually buy.
ISO 5208 Rates A-G explained with real numbers, how API 598, API 6D and FCI 70-2 map across, and what metal seats can honestly achieve.
How to choose a forged or cast valve body: API 600 vs API 602 size limits, casting quality factor, NDT coverage, weld repair policy and cost crossovers.
How pressure seal bonnet valves work, why bolted bonnets stop at Class 900, seal ring materials, disassembly rules and the low-pressure leak signature.