I supply {Check Valve Parts} designed for reliable control in piping systems across water, chemical, and oil markets. I focus on durability, compatibility, and fast response, so you get precise valve components that fit your existing assemblies. From corrosion-resistant stainless steel to lightweight alloys, our check valve parts meet common standards and ship with full documentation. When I work with B2B buyers, I know time is money, so I offer cheap quotes and flexible terms without sacrificing quality. You can count on tight tolerances, easy retrofit, and long service life in demanding environments. I provide thorough product specs, sizing charts, and compatibility notes to help you pick the right model—whether inline, flanged, or wafer styles. If you need custom configurations, I can source or assemble options quickly. Let me help you streamline procurement, reduce downtime, and keep your operations running smoothly with reliable Check Valve Parts.
In 2025, check valve parts are being reinvented where innovation meets factory-direct excellence. Precision CNC machining, advanced alloys and tailored surface treatments deliver longer service life and leak-free performance across oil & gas, water treatment and industrial piping systems. Rapid prototyping and additive manufacturing shorten development cycles, while in-line testing and automated assembly ensure consistent tolerances and traceability for every component. Sourced directly from a Deyang-based engineering and manufacturing hub, buyers gain cost advantages, shorter lead times and flexible MOQ options by cutting out intermediaries. Full material certifications, international-standard testing and scalable customization make these parts ideal for global procurement teams seeking reliable supply, transparent quality control and partnership-ready production for 2025 projects and beyond.
| Part Name | Part Code | Material | Standard / Spec | Nominal Size (DN / inch) | Pressure Rating | Temperature Range | Surface Finish | Manufacturing Process | Typical Application | Inspection & Test Methods | Typical Lead Time |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Disc (Wafer Check) | CVP-001 | Stainless Steel 316L | ISO 5752, ASTM A351 CF3M | DN25 / 1" | PN16 (≈232 psi) | -30°C to 250°C | Polished Ra ≤ 0.8 µm | Precision CNC Machining | Potable water, light chemicals | Visual, Dimensional, Hydrostatic test | 4–6 weeks |
| Hinge Pin Assembly | CVP-002 | Duplex Stainless (2205) | API 598 (functional test) | DN50 / 2" | PN25 | -40°C to 200°C | Shot-peened, corrosion tolerant | Forging + CNC turn & grind | Oil & gas pipeline systems | Magnetic particle, Hardness, PMI | 5–8 weeks |
| Seat Insert (Metal-to-Metal) | CVP-003 | Alloy 20 / Inconel 625 (options) | ASME B16.34 | DN80 / 3" | Class 300 (≈740 psi) | -20°C to 400°C | Precision lapped Ra ≤ 0.4 µm | Investment casting + finish machining | Chemical process, high-temp fluids | Pressure test, Surface finish inspection | 6–10 weeks |
| Elastomer Seal (Soft Seat) | CVP-004 | EPDM / NBR (media dependent) | ISO 14692 (elastomer requirements) | DN15–DN200 / ½"–8" | PN10–PN25 | -40°C to 120°C (EPDM) | Injection molded, smooth | Compression molding & vulcanization | HVAC, potable water, low-temp fluids | Dimensional, Hardness (Shore), Leak test | 2–4 weeks |
| Spring (Check Valve) | CVP-005 | Stainless Steel 17-7PH (precipitation hardening) | ASTM A313 / EN 10270-3 | Custom sizes DN15–DN300 | Designed to specified cracking pressure | -60°C to 350°C | Shot-peened, passivated | Cold coiling + heat treatment | Steam systems, general service | Tensile test, Load vs. displacement test | 3–6 weeks |
| Body Insert / Liner | CVP-006 | Bronze (ASTM B61) / PTFE-lined options | ISO 9001 traceable material | DN20–DN150 | PN16–PN40 | -30°C to 150°C (PTFE-lined) | PTFE-lined or machined bronze | Casting + machining / Lining process | Sea water, marine, industrial water | Salt spray (for marine grade), Dimensional | 5–7 weeks |
| Cover (Bolted) | CVP-007 | Carbon Steel with epoxy coating | EN 10204 2.1 material certs | DN100 / 4" | Class 150 / PN16 | -20°C to 200°C | Blasted + industrial epoxy | Plate forming + CNC drilling | Municipal water, drainage | Coating thickness, Visual, Bolt torque check | 4–6 weeks |
| Guide Bushing / Bearing | CVP-008 | PTFE composite (low friction) | DIN / ISO compatible dimensions | DN25–DN200 | PN10–PN40 | -60°C to 180°C | Injection molded, precision bored | Composite molding + finish machining | Food & beverage, hygienic lines | Dimensional, Friction coefficient check | 3–5 weeks |