| Availability: | |
|---|---|
| Quantity: | |
Structural Features
Cast Steel Material: The valve body is made of high-quality cast steel (e.g., WCB), which has high strength and good corrosion resistance. It can resist the erosion of various chemical media and extend the service life of the valve.
Bellows Sealing: Adopting bellows sealing technology, it provides additional sealing performance, effectively preventing medium leakage, and is particularly suitable for the control of toxic, harmful, flammable, or explosive media.
Flange Connection: Using a standard flange connection method that complies with DIN standards, ensuring the reliability and sealing performance of installation.
Bidirectional Sealing: The unique sealing design ensures reliable sealing during both forward and reverse flow, effectively preventing medium leakage and ensuring the safe operation of the pipeline system.
Fire Safety Design: Compliant with the API 607 standard, the valve can maintain sealing performance even in case of fire, preventing medium leakage and ensuring system safety.
Anti-Static Device: Equipped with a built-in anti-static device, it effectively prevents static accumulation, reduces the risk of fire and explosion, and is particularly suitable for the control of flammable and explosive media.
Compact Design: With small size and light weight, it is easy to install and integrate into existing systems, saving space.
Multiple Operation Modes: It can be equipped with manual, pneumatic, electric, or hydraulic actuators to achieve remote automatic control.
Technical Parameters
Nominal Diameter: DN15 to DN300 (1/2″ to 12″)
Pressure Class: PN16 to PN40
Temperature Range: -29℃ to +425℃
Materials:
Valve Body: Cast Steel (WCB)
Valve Disc: Stainless Steel (304/316)
Valve Stem: Stainless Steel (304/316)
Bellows: Stainless Steel (304/316)
Sealing Material: PTFE, RPTFE
Connection Method: Flange Connection (compliant with DIN 2543-2545/ DIN 2501 standards)
Operation Mode: Manual, Pneumatic, Electric, Hydraulic
Design Standard: DIN 3356, DIN 3202
Testing Standard: DIN 3230
Fire Protection Design: API 607
Applicable Media: Water, Oil, Gas, Chemical Media, etc.
Application Scenarios
Oil and Natural Gas Industry: Used in oil and gas field exploration, gathering, transportation, and processing systems to ensure reliable isolation and control of media.
Chemical Industry: Suitable for the transportation and reaction systems of various chemical media, preventing medium leakage and ensuring production safety.
Pharmaceutical Industry: Applied in pipeline systems during pharmaceutical production to ensure medium isolation and cleanliness in the drug manufacturing process.
Food and Beverage Industry: Meets food-grade requirements and is used in pipeline systems for food and beverage production to ensure hygiene and safety.
HVAC: Used in cooling water systems, hot water systems, etc., to ensure efficient operation of the system.
General Industrial Applications: Suitable for the control and isolation of media such as water, oil, and gas.
Advantages and Value
High Reliability: The cast steel material and bellows sealing design ensure the valve operates stably in medium-high pressure and medium-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.
Automatic Operation: Multiple actuator options enable remote control and automatic operation, enhancing the flexibility and safety of the system.
Easy Installation and Maintenance: The flanged connection simplifies the installation process and facilitates maintenance and overhaul.
Wide Applicability: Multiple material options and a broad range of pressure and temperature allow it to adapt to various complex working conditions and medium characteristics.
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.