Stainless Steel Pressure Regulator
Stainless Steel Pressure Regulators are suitable for precision pressure regulation of non‑corrosive or corrosive high‑pressure gases and standard gas mixtures. They are also applicable to analytical instruments and equipment that have high requirements for gas purity and quality.
Structural Features
| Parameter Name | Specifications |
| Product Name | Stainless Steel Pressure Regulator |
| Inlet Port Size | 1/4"~1‑1/2"T |
| Outlet Port Size | 1/4"NPT~1‑1/2"NPT |
| Connection Type | NPT (F), NPT (M), ferrule fittings, welded fittings, and other types of fittings are available for selection. |
| Inlet Pressure | 10Psi~10000Psi |
| Outlet Pressure | 10psi‑6000psi |
| Operating Temperature | -40℃~+165℃ |
| Flow Coefficient (Cv) | 0.06~6.5 |
| Leak Test | Bubble Test |
| Weight | 1KG~8.5KG |
| Valve Body Material | SS316, SS316L |
| Structure Type | Diaphragm Type, Piston Type |
| Applicable Medium | Gas |
| Test Pressure | 1.5 times the maximum outlet pressure |
Materials for Key Components
| Component | Material |
| Main Body | 316L |
| Bonnet | 316L |
| Diaphragm | 316L |
| Valve Seat | 316L |
Material Classification and Application Scope for Stainless Steel Pressure Regulators
| Material Grade | Material Description | Application & Temperature Range |
| CF8M | 316 Stainless Steel | Corrosive, ultra‑low temperature or high‑temperature non‑corrosive service. Temperature range:‑268℃ to 649℃. Carbon content ≥0.04% shall be specified for service above 425℃. |
| CF8C | 347 Stainless Steel | Mainly for high‑temperature and corrosive applications. Temperature range:‑268℃ to 649℃. Carbon content ≥0.04% shall be specified for service above 540℃. |
| CF8 | 304 Stainless Steel | Corrosive, ultra‑low temperature or high‑temperature non‑corrosive service. Temperature range:‑268℃ to 649℃. Carbon content ≥0.04% shall be specified for service above 425℃. |
| CF3 | 304L Stainless Steel | Corrosive or non‑corrosive service, temperature up to 425℃. |
| CF3M | 316L Stainless Steel | Corrosive or non‑corrosive service, temperature up to 454℃. |
| CN7M | Alloy Steel | Excellent resistance to hot sulfuric acid corrosion, temperature up to 425℃. |
| M35‑1 | Monel | Weldable grade, good resistance to common organic acids, salt water and most alkaline solutions, temperature up to 400℃. |
| N7M | Hastelloy B | Especially suitable for hydrofluoric acid of various concentrations and temperatures, good resistance to sulfuric acid and phosphoric acid, temperature up to 649℃. |
| CW6M | Hastelloy C | Good resistance to strong oxidizing environments, excellent performance at high temperature, high resistance to formic acid, phosphoric acid, sulfurous acid and sulfuric acid, temperature up to 649℃. |
| CY40 | Inconel Alloy | Good performance in high‑temperature applications, excellent corrosion resistance for strongly corrosive fluid media. |

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