DIPTI METAL INDUSTRIES
Top ASTM A351 CF8 Safety Relief Valve Manufacturer, ASTM A351 CF8 Safety Relief Valve Stockist & ASTM A351 CF8 Safety Relief Valve Exporter (SS304 SRV) in Mumbai, India
Dipti Metal Industries (A KMR Group Company), Founded in 2009, is the globally recognized A351 CF8 Safety Relief Valve Manufacturer, ASTM A351 CF8 Safety Relief Valve Supplier, ASTM A351 CF8 Safety Relief Valve Stockist, and ASTM A351 CF8 Safety Relief Valve Exporter based in Mumbai, India. Specialized in high-performance overpressure protection for corrosive and cryogenic environments, we provide ASTM A351 Grade CF8 (Cast Stainless Steel 304) Safety Relief Valves (SRV) designed strictly per API 526 and ASME Section VIII Div 1. CF8 is the benchmark austenitic grade for Pressure Relief Valves (PRV), offering superior Nitric Acid resistance and exceptional Cryogenic stability down to -196°C. 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 SS304 Safety Valve undergoes API 527 Seat Tightness testing to ensure bubble-tight zero-leakage performance in chemical processing, cryogenic LNG terminals, and pharmaceutical reactors 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 Manufacturer & Stockist Specialization (Est. 2009)
Since our founding in 2009, Dipti Metal Industries has been the definitive ASTM A351 CF8 Safety Relief Valve Manufacturer for critical industrial sectors. ASTM A351 Grade CF8 is the cast equivalent of wrought AISI 304, featuring approximately 18% Chromium and 8% Nickel. This metallurgical balance provides a robust passive layer against oxidative corrosion. Our Stainless Steel Safety Valves are engineered with precision Adjusting Rings to control Blowdown and ensure accurate Reseating Pressure. As a leading A351 CF8 Safety Relief Valve Exporter from Mumbai, we serve as the primary supply chain partner for EPC contractors in the Russian CIS region, the Middle East, and North America.
Compliance & Material Traceability
- API 526 Standardized Center-to-Face & Flanges
- ASME Section VIII Pressure Vessel Code Compliance
- IBR (Indian Boiler Regulations) Form III-C Certified
- API 527 Zero-Leakage Seat Tightness Verification
The CF8 Technical Advantage
- Non-magnetic Austenitic structure (SS304 equivalent)
- Cryogenic impact toughness down to -196°C (-320°F)
- Suitable for high-temperature service up to 538°C
- Available in Conventional & Bellows Balanced designs
📘 Technical Specifications: ASTM A351 CF8 (SS304) Valve Profile
Metallurgical Chemistry (ASTM A351 CF8 / UNS J92600)
| Element | Requirement (%) | Technical Role |
|---|---|---|
| Chromium (Cr) | 18.00 – 21.00 | Primary oxidation & corrosion resistance |
| Nickel (Ni) | 8.00 – 11.00 | Stabilizes austenite & provides toughness |
| Carbon (C) | 0.08 Max | Prevents intergranular corrosion (sensitization) |
| Manganese (Mn) | 1.50 Max | Improves structural strength |
| Silicon (Si) | 2.00 Max | Fluidity in casting & deoxidation |
Mechanical Properties & Pressure Ratings
| Property | CF8 Casting Value |
|---|---|
| Tensile Strength (min) | 485 MPa (70 ksi) |
| Yield Strength (min) | 205 MPa (30 ksi) | 35% |
| Pressure Rating | Class 150# to 2500# |
| Standard Trim | SS 304 / SS 316 / Stellited |
Our CF8 PRV units are standardly supplied with Metal-to-Metal Seats for durability. Soft Seat options (PTFE/FKM) are available for absolute bubble-tight air/gas service.
Valve Configurations & Component Specifications
Dipti Metal produces Full Nozzle SRV designs where the corrosive media only contacts the nozzle and Disc (Plug).
- Conventional Valve: For systems with stable Back Pressure (<10%).
- Balanced Bellows: Isolates Spring and Guide from media; balances variable backpressure.
- Cryogenic Extended Bonnet: For LNG and Liquid Oxygen service.
- Spring Loaded: High-performance direct-acting mechanism.
- Lifting Lever: Plain or Packed manual override options.
- Orifice Designations: D, E, F, G, H, J, K, L, M, N, P, Q, R, S, T.
- Flanged Ends: ASME B16.5 RF (Raised Face) or RTJ (Ring Type Joint).
- Threaded Ends: NPT / BSP for small diameter thermal relief.
- Pressure Ratings: Class 150#, 300#, 600#, 900#, 1500#, 2500#.
Industrial Media & Application Focus
Our ASTM A351 CF8 Safety Relief Valves are designated for corrosive and non-corrosive media where carbon steel is unsuitable.
Acidic & Oxidizing
Safe handling of Nitric Acid, Acetic Acid, and various organic chemical fluids in processing plants.
Cryogenic LNG
Cryogenic Safety Valve for Liquid Oxygen, Nitrogen, and LNG regasification terminals.
Pharma & Food
Hygienic overpressure protection for sterile reactors, dairy handling, and mixing vessels.
Global Distribution Network for ASTM A351 CF8 Safety Valves
As a Worldwide ASTM A351 CF8 Exporter, Dipti Metal Industries leverages its Mumbai logistics hub to supply energy and chemical sectors in over 75 countries. We provide CIF, FOB, and EXW terms with seamless customs clearance.
- Russia: Moscow, Saint Petersburg, Kazan, Yekaterinburg, Novosibirsk, Nizhny Novgorod.
- Kazakhstan: Almaty, Nur-Sultan, Atyrau.
- Uzbekistan: Tashkent, Samarkand.
- Azerbaijan: Baku.
- Belarus: Minsk, Gomel.
- UAE: Dubai (Jebel Ali), Abu Dhabi, Sharjah.
- Saudi Arabia: Riyadh, Jeddah, Dammam, Jubail.
- Oman: Muscat, Sohar.
- Qatar: Doha, Ras Laffan.
- Kuwait: Kuwait City, Ahmadi.
- Iraq: Basra, Baghdad.
- Turkey: Istanbul, Ankara, Izmir.
- Germany: Frankfurt, Hamburg, Munich.
- United Kingdom: London, Manchester, Sheffield.
- France: Paris, Lyon, Marseille.
- Italy: Milan, Turin, Genoa.
- Poland: Warsaw, Wroclaw.
- Netherlands: Rotterdam, Amsterdam.
- Spain: Barcelona, Madrid.
- USA: Houston, Chicago, Los Angeles, New York, Detroit.
- Canada: Toronto, Calgary, Montreal.
- Mexico: Mexico City, Monterrey, Veracruz.
- Brazil: São Paulo, Rio de Janeiro.
- Argentina: Buenos Aires.
- Chile: Santiago.
- Singapore
- Malaysia: Kuala Lumpur, Johor Bahru.
- Indonesia: Jakarta, Surabaya.
- Thailand: Bangkok, Rayong.
- Egypt: Cairo, Alexandria, Suez.
- Nigeria: Lagos, Port Harcourt.
- South Africa: Johannesburg, Cape Town, Durban.
- Australia: Sydney, Melbourne, Perth.
Request a Quote from the ASTM A351 CF8 Specialist
As a Manufacturer founded in 2009, we provide full technical sizing and selection for your Stainless Steel 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