DIPTI METAL INDUSTRIES
Top ASTM A351 CF8M Safety Relief Valve Manufacturer, ASTM A351 CF8M Safety Relief Valve Stockist & ASTM A351 CF8M Safety Relief Valve Exporter (SS316 SRV) in Mumbai, India
Dipti Metal Industries (A KMR Group Company), Founded in 2009, is the globally recognized ASTM A351 CF8M Safety Relief Valve Manufacturer, ASTM A351 CF8M Safety Relief Valve Supplier, ASTM A351 CF8M Safety Relief Valve Stockist, and ASTM A351 CF8M Safety Relief Valve Exporter based in Mumbai, India. Specialized in high-performance overpressure protection for high-chloride and naval environments, we provide ASTM A351 Grade CF8M (Cast Stainless Steel 316) Safety Relief Valves (SRV) designed strictly per API 526 and ASME Section VIII Div 1 standards. As of March 2026, we continue to lead the market with 2-3% Molybdenum enriched CF8M castings that prevent pitting and crevice corrosion in seawater service. We maintain an exhaustive inventory of Orifice Areas (D to T) with Spring Loaded mechanisms and Bellows Balanced designs to handle variable Back Pressure. Every SS316 Safety Valve undergoes API 527 Seat Tightness testing to ensure bubble-tight zero-leakage performance in offshore oil & gas, seawater desalination, and chemical processing plants worldwide.
Browse Safety Valve Material Alternatives
ASTM A216 WCB (Carbon Steel) ASTM A351 CF8 (SS304) ASTM A351 CF8M (SS316) ASTM A217 WC6/WC9 (Alloy Steel) ASTM A352 LCB/LCC (Low Temp)🏭 Strategic SS316 Valve Manufacturer & Stockist (Est. 2009)
Since our founding in 2009, Dipti Metal Industries has been the definitive ASTM A351 CF8M Safety Relief Valve Manufacturer for critical offshore and marine projects. ASTM A351 Grade CF8M is the cast equivalent of wrought AISI 316, enriched with Molybdenum to resist chloride-induced stress corrosion cracking. Our Stainless Steel 316 Safety Valves are engineered with precision Adjusting Rings to control Blowdown and ensure accurate Reseating Pressure. As of March 29, 2026, we serve as the primary supply chain partner for seawater desalination plants and chemical refineries in the Russian CIS region, the Middle East, and North America.
Compliance & Material Traceability
- API 526 Standardized Dimensions & Performance Standards
- ASME Section VIII Pressure Vessel Safety Code Compliance
- IBR (Indian Boiler Regulations) Form III-C Certified
- API 527 Bubble-Tight Seat Integrity Verification
The CF8M Technical Advantage
- Molybdenum content prevents Pitting and Crevice Corrosion
- Austenitic structure remains tough at cryogenic temperatures
- Superior resistance to acetic, sulfuric, and phosphoric acids
- Available in Conventional & Balanced Bellows
📘 Technical Specifications: ASTM A351 CF8M (SS316) Valve Profile
Metallurgical Chemistry (ASTM A351 CF8M / UNS J92900)
| Element | Requirement (%) | Technical Role |
|---|---|---|
| Chromium (Cr) | 18.00 – 21.00 | Corrosion barrier |
| Nickel (Ni) | 9.00 – 12.00 | Toughness stabilizer |
| Molybdenum (Mo) | 2.00 – 3.00 | Pitting/Chloride resistance |
| Carbon (C) | 0.08 Max | Prevents sensitization |
| Silicon (Si) | 1.50 Max | Casting fluidity |
Mechanical Properties & Pressure Ratings
| Property | CF8M Casting Value |
|---|---|
| Tensile Strength (min) | 485 MPa (70 ksi) |
| Yield Strength (min) | 205 MPa (30 ksi) | 30% |
| Pressure Rating | Class 150# to 2500# |
| Standard Trim | SS 316 / Monel / Stellited |
Our CF8M PRV units are standardly supplied with Metal-to-Metal Seats for durability. Soft Seat options (PTFE/FKM) are available for zero-leakage gas service.
Verified Global Industry Reviews & Ratings (Updated Mar 2026)
"The CF8M safety valves for our offshore LNG platform in Sakhalin performed flawlessly. Dipti Metal's SS316 castings are of the highest quality, and the documentation was perfect for Russian import standards."
Viktor Sidorov Senior Project Engineer, Russia"Strong manufacturing capability since 2009. We received 45 units of SS316 PRVs in Dubai for our seawater desalination expansion. API 527 seat tightness testing results were verified by BV."
Omar Al-Maktoum Procurement Manager, Dubai UAEValve Configurations & Component Specifications
- Conventional Valve: For systems where backpressure is stable.
- Balanced Bellows: Isolates internals from corrosive media; handles variable backpressure.
- Spring Loaded: Direct-acting high-accuracy safety mechanism.
- Full Nozzle: Media only contacts Nozzle & Disc; ideal for harsh seawater.
- Lifting Lever: Plain or Packed manual override for testing.
- Orifice Areas: D, E, F, G, H, J, K, L, M, N, P, Q, R, S, T (API 526).
- Sizes: 1/2" x 1" up to 12" x 16".
- Connections: Flanged RF / RTJ, Threaded NPT, Socket Weld.
- Pressure Classes: ASME 150# to 2500#.
Global Distribution Network for ASTM A351 CF8M Safety Valves
As a Worldwide ASTM A351 CF8M Exporter, Dipti Metal Industries leverages its Mumbai logistics hub to supply energy and marine sectors in over 75 countries. Updated: March 2026.
- Russia: Moscow, Saint Petersburg, Kazan, Sakhalin, Vladivostok, Samara, Novosibirsk, Yekaterinburg.
- Kazakhstan: Almaty, Atyrau, Nur-Sultan, Aktau.
- Uzbekistan: Tashkent, Samarkand.
- Azerbaijan: Baku.
- Belarus: Minsk, Gomel.
- Turkmenistan: Ashgabat.
- UAE: Dubai, Abu Dhabi, Jebel Ali, Sharjah.
- Saudi Arabia: Riyadh, Jeddah, Jubail, Yanbu, Dammam.
- Oman: Muscat, Sohar, Salalah.
- Qatar: Doha, Mesaieed.
- Kuwait: Ahmadi, Kuwait City.
- Iraq: Basra, Baghdad.
- Turkey: Istanbul, Ankara, Izmir.
- Germany: Hamburg, Frankfurt, Munich.
- UK: London, Aberdeen, Sheffield, Glasgow.
- France: Marseille, Paris, Lyon.
- Italy: Milan, Genoa, Turin.
- Norway: Stavanger, Oslo.
- Poland: Warsaw, Wroclaw.
- Netherlands: Rotterdam.
- USA: Houston, New Orleans, New York, Detroit.
- Canada: Calgary, Toronto, Montreal.
- Singapore
- Malaysia: Kuala Lumpur, Johor Bahru.
- Australia: Perth, Sydney, Melbourne.
- Egypt: Alexandria, Cairo, Suez.
- Nigeria: Port Harcourt, Lagos.
- South Africa: Cape Town, Johannesburg.
- Brazil: Rio de Janeiro, São Paulo.
Request a Quote from the ASTM A351 CF8M Specialist
As a Manufacturer founded in 2009, we provide precision sizing and selection for your SS316 Safety Relief Valve requirements. Submit your parameters below.
📍 Contact Dipti Metal Industries (Est. 2009)
Headquarters & Export Hub: No.9, Shreepati Castle, D-1, 10–11th Khetwadi Back Road, Mumbai – 400004, Maharashtra, India
Phone: +91-22-66381301
WhatsApp: +91-9833671857
Email: info@diptimetal.com