Stainless Steel 316 High Speed Centrifugal Pump for Corrosive Chemical Transfer
Stainless Steel 316 High Speed Centrifugal Pump for Corrosive Chemical Transfer
Stainless Steel 316 High Speed Centrifugal Pump for Corrosive Chemical Transfer
Brand Name
Sunstrand
PRODUCT MODEL
SS316-HSCP
certificate
ISO 9001:2015, API 610, CE
country of origin
China
MOQ
1 Set
unit price
Negotiation
payment method
T/T,L/C
Supply Capacity
10 Sets per Month
Product Summary
316 stainless steel high speed centrifugal pump engineered for corrosive chemical transfer, acid circulation, and solvent handling in chemical processing plants, compliant with API 610 OH6 standards.
Product Details
Highlight:
316 SS High Speed Centrifugal
,Corrosive Chemical Transfer Pump
,Stainless Steel Process Pump
Wetted Materials:
316 Stainless Steel (CF8M Cast)
Maximum Flow Rate:
85 M³/h (375 GPM)
Maximum TDH:
914 M (3,000 Ft)
Temperature Range:
-130°C To +260°C
Design Standard:
API 610 OH6
Seal Type:
API 682 Single/Double Cartridge
Flange Rating:
ANSI 300# / 600# RF
Gearbox:
Precision Helical Speed-Increasing
Application:
Acids, Solvents, Alkalis, Chemical Transfer
Product Description
Stainless Steel 316 High Speed Centrifugal Pump for Corrosive Chemical Transfer
With over 1,200 units delivered since 2009, our extensive experience manufacturing stainless steel process pumps for chemical industry applications provides the foundation for this high-performance centrifugal pump. Our equipment has documented service in acid transfer, solvent circulation, and corrosive reagent dosing across pharmaceutical intermediates manufacturing, fine chemical synthesis, and agrochemical formulation facilities.
Each CF8M (316 stainless steel) investment casting undergoes optical emission spectrometry analysis to verify chemical composition per ASTM A351/A351M standards, with chromium content maintained at 18.0-21.0% and molybdenum at 2.0-3.0% for optimal pitting resistance in chloride-bearing process streams.
During manufacturing, every pressure-retaining casing casting receives 100% liquid penetrant examination per ASME Section V Article 6 by ASNT Level II certified technicians. Wetted surfaces are passivated using controlled citric acid procedures per ASTM A967 Practice C, with effectiveness verified by copper sulfate spot testing.
Technical Specifications
| Parameter | Specification | Quality Verification |
|---|---|---|
| Standard Wetted Material | CF8M (316 Stainless Steel) per ASTM A351 | OES chemical analysis, PMI verification |
| Optional Wetted Materials | Duplex 2205, Hastelloy C-276, Alloy 20 | Material-specific WPS/PQR welding procedures |
| Maximum Flow Rate | 85 m³/h (375 GPM) | Calibrated magnetic flow meter |
| Maximum Differential Head | 914 m (3,000 ft) | Deadweight-tested transmitters |
| Design Standard | API 610 12th Ed., OH6 Category | Annex A design review checklist |
| Max Working Pressure | 10.0 MPa (1,440 psi) at 38°C | Hydrostatic test 1.5x MAWP, 30-min hold |
| Temperature Range | -130°C to +260°C (-200°F to +500°F) | Material selection per API 610 Table 2 |
| Surface Passivation | ASTM A967 Citric Acid Practice C | Copper sulfate spot test verification |
| Seal System | API 682 Cartridge, elastomers per fluid | Fluid-specific elastomer compatibility assessment |
| Flange Rating | ANSI B16.5 Class 300/600, 316 SS flanges | Dimensional inspection, bolt-hole verification |
Manufacturing Quality & Chemical Compatibility Engineering
- Corrosion Testing & Material Selection Support: We provide formal material compatibility assessments for each application, evaluating process fluid composition against published corrosion data. For borderline applications, we arrange laboratory corrosion coupon testing with 500-hour immersion exposure and comprehensive reporting.
- Foundry Process Control for Corrosion-Resistant Castings: All CF8M investment castings are produced in our dedicated stainless steel foundry with AOD-refined heats. Process parameters are controlled to avoid sigma phase embrittlement and ensure optimal ferrite distribution (5-15%) for corrosion resistance and mechanical properties.
- Seal Elastomer Chemical Compatibility Program: Our comprehensive database of industrial chemical resistance guides seal material selection. This systematic approach has reduced seal-related warranty claims in chemical service applications by over 60% compared to standard practices.
- Welding Procedure Qualification for Alloy Components: All welded fabrication is performed to qualified Welding Procedure Specifications with documented Procedure Qualification Records per ASME Section IX. Production weld inspection includes 100% visual examination plus liquid penetrant examination.
Frequently Asked Questions
How do you determine whether 316 SS is adequate for a specific chemical application, or whether a higher-grade alloy is required?
This determination is made through a structured material selection process. Our application engineers review the complete process fluid specification—including concentration, temperature, pH, and trace contaminants—and compare against published isocorrosion curves for 316 SS. Based on field experience, 316 SS provides acceptable service life (10+ years) in: organic acids below 10% concentration and 80°C; sodium hydroxide up to 50% concentration below 100°C; most organic solvents; and chloride-bearing process water below 200 ppm chlorides at ambient temperature. We are transparent about borderline materials and recommend either laboratory testing or material upgrades when published data indicates marginal performance.
What documentation do you provide to verify the actual stainless steel grade used in our pump?
Each chemical transfer pump includes a complete material certification package: EN 10204 Type 3.1 material test certificates from the foundry; positive material identification reports using handheld XRF analysis; foundry test reports including tensile and Charpy impact values; and passivation procedure certificates per ASTM A967 with copper sulfate spot test verification. Heat numbers stamped on each component are cross-referenced in a traceability matrix for full material traceability throughout the pump's operational life.
What is your experience with these pumps in pharmaceutical and food-grade applications requiring surface finish certification?
While most installations are in industrial chemical processing, we have supplied units with enhanced surface finish requirements (Ra ≤ 0.8 µm on wetted surfaces through electropolishing) for pharmaceutical intermediate manufacturing and food-grade solvent transfer. These pumps include surface roughness measurement reports, documented cleaning and passivation procedures, and certificates of conformance to FDA and EU 1935/2004 requirements where applicable. Our manufacturing procedures for hygienic-configuration pumps include dedicated tooling, controlled assembly environments, and protective packaging.
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