Gate Valve stockist
AL LIWARA General Trading LLC is a trusted Gate Valve stockist supplying premium quality valves for diverse industrial and commercial applications. Our extensive inventory includes forged, cast, and fabricated gate valves made from stainless steel, carbon steel, alloy steel, and high nickel alloys. As one of the leading suppliers in the Middle East and worldwide, we ensure every valve meets international quality standards for performance, durability, and reliability.
Our Gate Valve stockist division caters to industries like oil & gas, petrochemicals, power generation, water treatment, construction, and marine. We provide gate valves in rising stem and non-rising stem types, with pressure ratings ranging from Class 150 to Class 2500 and sizes from ½” to 48”. These valves are designed to offer tight shutoff, minimal pressure drop, and long service life in both low and high-pressure systems.
As a global Gate Valve stockist, AL LIWARA General Trading LLC exports to major international markets including the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain, Oman, USA, Mexico, Canada, Egypt, Algeria, Nigeria, South Africa, Kenya, Tanzania, Spain, Germany, France, Italy, United Kingdom, Netherlands, Belgium, Turkey, Jordan, Yemen, Malaysia, Singapore, Bangladesh, Sri Lanka, Australia, Iran, Russia, Poland, Portugal, and Colombia. Our strong supply chain and logistics support enable timely delivery with export-ready packaging.
We stock gate valves in different materials and standards such as API 600, API 602, API 603, ASME B16.34, BS 1414, DIN standards, and MSS SP specifications. Whether the requirement is for wedge gate valves, parallel slide gate valves, or knife gate valves, we provide the right solution for every project. Our valves are designed for high performance under extreme operating conditions, ensuring corrosion resistance and leak-proof service.
Applicable Standards
| Standard / Code | Scope / Use |
|---|---|
| API 600 | Steel Gate Valves — flanged and butt-welding ends for petroleum and natural gas industries (cast/forged) |
| API 602 | Compact Gate, Globe, and Check Valves for sizes NPS ≤ 4" (for refinery and petrochemical) |
| ASME B16.34 | Valves — flanged, threaded and welding end — design, pressure-temperature ratings |
| ASME B16.10 | Face-to-Face and End-to-End dimensions for valves |
| ASME B16.5 / B16.47 | Flange dimensions and pressure classes used with flanged gate valves |
| MSS SP-70 / API 6D (where applicable) | Design and testing guidance for certain types and pipeline gate valves |
Chemical Composition — Typical Materials (wt%)
Representative chemical ranges for common gate valve body/bonnet materials. Exact composition varies by manufacturer and heat — verify with MTC.
| Material / Grade | C | Si | Mn | P (max) | S (max) | Cr | Ni | Mo / Other |
|---|---|---|---|---|---|---|---|---|
| ASTM A105 (Forged Carbon Steel) | 0.35 max | 0.10–0.35 | 0.60–1.05 | 0.035 | 0.04 | — | — | — |
| ASTM A216 WCB (Cast Carbon Steel) | 0.20–0.30 | 0.10–0.50 | 0.40–1.20 | 0.04 | 0.04 | — | — | — |
| CF8 (Cast 304 Stainless) | 0.08 max | — | ≤2.00 | 0.045 | 0.03 | 18.0–20.0 | 8.0–10.5 | — |
| CF8M (Cast 316 Stainless) | 0.08 max | — | ≤2.00 | 0.045 | 0.03 | 16.0–18.0 | 10.0–14.0 | 2.0–3.0 Mo |
| Duplex 2205 (Cast/Forged) | 0.03 max | — | 2.0–2.5 | 0.030 | 0.020 | 22.0–23.0 | 4.5–6.5 | ~3.0 Mo |
| Alloy Steel (e.g., F11 / F22 forgings) | 0.08–0.15 | 0.20–0.50 | 0.30–0.80 | 0.035 | 0.035 | ~1.0–2.6 | — | Mo 0.45–1.2 depending on grade |
Mechanical Properties — Typical Minimums
Typical mechanical properties for common valve materials. Confirm with MTC for supplied heat/treatment.
| Material | Yield (MPa) | Tensile (MPa) | Elongation (%) |
|---|---|---|---|
| ASTM A105 | ≥205 | 415–620 | ≥22 |
| A216 WCB | ~150–250 (grade dependent) | 400–550 | ≥18–22 |
| CF8 (304) | ≥215 | 515–720 | ≥40 |
| CF8M (316) | ≥215 | 515–700 | ≥40 |
| Duplex 2205 | ≥450 | 650–850 | 25–35 |
| Alloy steels (F11/F22) | ≥235–450 (grade dependent) | 460–700 | 15–25 |
Dimension Chart — Face-to-Face / End-to-End (ASME B16.10 Reference)
Below are typical face-to-face (F2F) lengths for standard gate valves (rising stem, wedge type) — use ASME B16.10 and manufacturer datasheets for exact design values and for non-standard valves.
| NPS | Class 150 F2F (mm) | Class 300 F2F (mm) | Class 600 F2F (mm) |
|---|---|---|---|
| 1/2" | 89 | 127 | 229 |
| 1" | 127 | 165 | 241 |
| 2" | 203 | 241 | 292 |
| 4" | 254 | 305 | 381 |
| 6" | 292 | 356 | 419 |
| 8" | 330 | 394 | 457 |
| 12" | 457 | 584 | 711 |
Equivalent Grades / Cross Reference
| Common Name | ASTM / ASME | EN / European | Notes |
|---|---|---|---|
| Carbon Steel Forging | ASTM A105 | EN 10222-2 equivalents (e.g., P250GH depending on spec) | Common forged body material for valves |
| Cast Carbon Steel | ASTM A216 WCB | EN-GJS / EN standards vary | Common cast body material |
| Stainless Steel | CF8 / CF8M (ASTM A351) | 1.4308 / 1.4408 | CF8 = 304 cast, CF8M = 316 cast |
| Duplex | EN 1.4462 / ASTM A182 F51 | — | Higher strength, corrosion resistance |
Approximate Weight Chart — Gate Valves (Wedge, Flanged, Class 150) — Approx. kg
Weights vary by design, body thickness, materials and whether it is rising/non-rising stem. The table below gives approximate welded/cast valve weights for quick estimation.
| NPS | Gate Valve Weight (Class 150) | Gate Valve Weight (Class 300) |
|---|---|---|
| 1/2" | 4 | 6 |
| 1" | 7 | 10 |
| 2" | 15 | 22 |
| 4" | 35 | 55 |
| 6" | 65 | 100 |
| 8" | 110 | 170 |
| 12" | 260 | 420 |
Testing, Inspection & Documentation
- Material Test Certificate (MTC) to EN 10204 / 3.1 or equivalent supplied with each shipment
- Hydrostatic shell & seat testing per API/ASME requirements
- Non-destructive testing (UT, PMI, RT) and dimensional inspection as required
- Third-party inspection (SGS, Lloyd's, TPI) available on request
Being a reliable Gate Valve stockist, we also provide custom solutions based on client requirements, including special coatings, trims, actuator mounting, and cryogenic designs. With in-house inspection and third-party certification available, we guarantee compliance with international standards like ISO, ANSI, EN, and ASTM. Each valve undergoes strict quality checks such as hydrostatic testing, NDT, and PMI before dispatch.
AL LIWARA General Trading LLC continues to strengthen its position as a trusted Gate Valve stockist with a commitment to competitive pricing, technical support, and customer satisfaction. By supplying world-class valves across continents, we serve as a dependable partner for EPC contractors, distributors, and end-users seeking reliable flow control solutions.
Frequently Asked Questions (FAQs)
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