| Availability: | |
|---|---|
| Quantity: | |
Structural Features
Stainless Steel Material: The valve body, valve stem, and valve disc are all made of stainless steel, which provides excellent corrosion resistance and high strength, suitable for various media and working conditions.
Threaded Connection: Adopts a threaded connection method, ensuring easy installation and tight sealing, and is suitable for small and medium-diameter pipeline systems.
Compact Design: With small size and light weight, it is easy to install and maintain, making it suitable for occasions with limited space.
Reliable Sealing: The valve disc and valve seat undergo precision machining to ensure good sealing performance and prevent medium leakage.
Multiple Operation Modes: Handwheel operation is available, which is easy to operate and suitable for manual control.
Fire Safety Design: Complies with relevant fire safety standards, and the valve can maintain sealing performance even in case of fire, safeguarding the safety of personnel and equipment.
Technical Parameters
Nominal Diameter: 1/2″ to 4″ (DN15 to DN100)
Pressure Class: 150LB to 600LB (PN20 to PN100)
Temperature Range: -20℃ to +200℃
Materials:
Valve Body: 304 or 316 Stainless Steel
Valve Stem: 304 or 316 Stainless Steel
Valve Disc: 304 or 316 Stainless Steel
Sealing Ring: PTFE, NBR, or EPDM
Connection Method: Threaded Connection, compliant with ANSI B1.20.1 and ISO 228 standards
Design Standards: ASME B16.34, API 600
Testing Standards: API 598, ISO 5208
Application Fields
Oil and Natural Gas Industry: Used in oil and gas field exploration, gathering, transportation, and processing systems to control the flow direction of fluids and ensure the smooth progress of the production process.
Chemical Industry: Suitable for the transportation and reaction systems of various chemical media, preventing medium leakage and ensuring production safety.
Water Treatment Industry: Applied in the water supply and drainage systems of water plants and sewage treatment plants to control the on-off and flow direction of water, improving water treatment efficiency and water quality safety.
Food and Beverage Industry: Meets food-grade requirements and is used in pipeline systems during food and beverage production to ensure hygiene and safety.
HVAC: Used in cooling water systems, hot water systems, etc., to control the on-off and flow direction of water, ensuring the efficient operation of the system.
General Industrial Applications: Suitable for the control and isolation of media such as water, oil, and gas, ensuring the safe and efficient operation of the system.
Advantages and Value
High Reliability: The stainless steel material and compact design ensure the valve operates stably in high-pressure and high-temperature environments, reducing maintenance frequency and downtime.
High Safety: The fire protection, anti-static design, and reliable sealing performance effectively reduce the risk of leakage, safeguarding the safety of personnel and equipment.
Easy Operation: The handwheel operation mode provides a stable and labor-saving operation experience, suitable for manual control.
Convenient Installation and Maintenance: The threaded connection simplifies the installation process and also facilitates maintenance and overhaul, reducing maintenance costs.
Wide Applicability: Multiple material options and a broad range of pressure and temperature make it adaptable to various complex working conditions and medium characteristics.
Shrinkage, gas porosity, sand and hot tears in cast steel valve bodies: what radiography, ultrasonic, magnetic particle and penetrant testing each can find.
Flash vessel design and flash steam recovery: flash fraction formula, Souders-Brown sizing, hold-up, LP header and deaerator routing, failure diagnosis.
Wet shaft and dry shaft butterfly valves: what reaches the bearing, which part wears first, and why the disc stops centering in the bore.
Steam trap selection: float, inverted bucket, thermodynamic and thermostatic types, sized on load times safety factor at true differential pressure.
Between the handle and the ball there are four fits. Which one shears, which one cracks, and how a few degrees of lost motion hides a valve that never seated.
Reverse flow through a check valve has six mechanical causes. How hinge wear, debris and a moved seat ring look different, and which test finds each.
Trapped-liquid overpressure in DBB/DIB ball valves: thermal expansion arithmetic, SPE vs DPE seats, external cavity relief valve setting and the fire case.
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.