Series 1F
1-Piece Flanged Ball Valve
Uni-body flanged ball valve rated Class 150 and Class 300. Available in stainless steel, carbon steel, Alloy 20, and Duplex with ISO 5211 direct mount and API 607 fire-safe certification.
Technical Specifications
Uni-body flanged construction for high-integrity isolation in industrial piping systems.
Sizes
1/2″ – 6″ (DN 15 – DN 150)
Pressure Rating
Class 150 (1/2″–6″) / Class 300 (1/2″–4″)
Body Materials
CF8M / WCB / Alloy 20 / Duplex
Seats
RTFE, PEEK, TFM1600, UHMWPE, CTFE, Metal
Standards
ASME B16.34, B16.5, B16.10, API 607
Quality / Test
ISO 9001, API 598, API 607, TA-Luft, ISO-15848
Mounting
ISO 5211 Direct Mount
Features
Uni-body, Flanged Ends, Fire-Safe
Why Choose the Series 1F
1-Piece Uni-body Construction
Integral uni-body design eliminates potential leak paths found in multi-piece valves. Flanged ends per ASME B16.5 ensure reliable bolted connections for high-integrity piping systems.
Fire-Safe & Fugitive Emissions
API 607 7th Edition fire-safe certified. TA-Luft and ISO-15848 compliant packing options available for low-emission applications in refineries and chemical plants.
Broad Material & Seat Options
CF8M stainless steel body with RTFE seats standard. Metal seats available for high-temperature service. Alloy 20 and Duplex bodies for severe corrosion environments.
VRS vs. VRS-C - Key Differences
Data Center infrastructure standards and engineering tools.
Data Center Cooling Valves
Precision valves for chilled water, glycol, and CRAC systems with low PUE performance.
Hydrogen-Ready Valves
Series 32 high-pressure ball valves rated to -253°C for cryogenic hydrogen service
Performance Data
Output torque, gear ratio, and ISO 5211 flange compatibility for all 15 models.
| Model | Gear Ratio | Input Torque | Output Torque | Efficiency | ISO 5211 Flange |
|---|---|---|---|---|---|
| VMGS007 | 42:1 | 80 Nm | 720 Nm | 21% | F10 / F12 |
| VMGS008 | 50:1 | 110 Nm | 1,200 Nm | 22% | F12 / F14 / F16 |
| VMGS108 | 72:1 | 130 Nm | 2,000 Nm | 21% | F14 / F16 |
| VMGS158 | 70:1 | 150 Nm | 2,500 Nm | 24% | F12 / F14 / F16 |
| VMGS208 | 68:1 | 210 Nm | 3,300 Nm | 23% | F14 / F16 / F25 |
| VMGS218 | 78:1 | 206 Nm | 4,475 Nm | 28% | F14 / F16 / F25 |
| VMGS238 | 175:1 | 170 Nm | 6,250 Nm | 21% | F16 / F25 |
| VMGS308 | 275:1 | 150 Nm | 9,800 Nm | 24% | F16 / F25 |
| VMGS358 | 532:1 | 170 Nm | 18,000 Nm | 20% | F25 |
| VMGS408 | 700:1 | 190 Nm | 32,000 Nm | 24% | F25 / F30 |
| VMGS448 | 1,233:1 | 165 Nm | 42,000 Nm | 21% | F30 / F35 / F40 |
| VMGS508 | 1,254:1 | 190 Nm | 60,000 Nm | 25% | F35 / F40 |
| VMGS608 | 1,855:1 | 190 Nm | 80,000 Nm | 23% | F35 / F40 |
| VMGS708 | 2,292:1 | 190 Nm | 100,000 Nm | 23% | F40 / F48 |
| VMGS808 | 3,525:1 | 190 Nm | 150,000 Nm | 22% | F48 / F60 |
Where This Solution Works
General Industrial
Process piping, steam, compressed air, and water systems across manufacturing and plant operations.
Water & Wastewater
Municipal and industrial water treatment, distribution systems, and chemical feed lines.
Chemical Processing
Corrosive media handling with Alloy 20 and Duplex body options for aggressive chemical environments.
Oil & Gas
API 607 fire-safe certified for upstream, midstream, and downstream isolation applications.
HVAC & Mechanical
High-temperature service with metal seats for steam, condensate, and cooling water systems.
Marine & Offshore
Stainless steel and exotic alloy construction for saltwater, ballast, and shipboard piping systems.
Technical Resources
Engineering tools and documentation for the VMG Series.
Cv Sizing Calculator
Excel tool for calculating precise flow rates across all Series 1F sizes.
Series 1F Datasheet
Complete specifications, dimensions, and pressure/temperature charts.
Installation Guide
Step-by-step installation, maintenance, and troubleshooting instructions.
Material Compatibility
Chemical resistance guide for all body, seat, and packing material combinations.
Need Series 1F Valves
For Your Project?
Tell us your application requirements — pressure class, temperature, media, and flange rating. Our engineering team will provide valve selections, Cv calculations, and actuator recommendations within 24 hours.