The Valtek FlowTop GS control valve (types V746 and V748) improves the reliability and uptime of production processes while minimizing operating and maintenance costs. Designed for general service applications, the FlowTop GS globe valve is a competitively priced, fully integrated valve-actuator-instrumentation package for continuous process flow loop control throughout the plant.
Additional information
| Valve Size | 1/2" to 6" |
|---|---|
| Pressure Class Standard | ASME B16.34 |
| Pressure Class Range | Class 150, 300 |
| Body | Globe |
| End Connections | Integral Flange, Raised Face |
| Face-to-Face Standard | ANSI ISA S75.08.01 |
| Bonnet | Standard, Extended, Bellows Seal |
| Packing | ISO 15848-1 Live-Loaded: PTFE, Graphite, Vacuum |
| Guiding | Post, Internal to Bonnet |
| Trim | Plug & Floating Seat, 1-Stage Noise & Cavitation Reduction |
| Trim Characteristics | Equal Percentage, Linear, Quick-Open |
| Seating | Metal-to-Metal & Soft |
| Shut-Off Classification | ANSI FCI 70-2 Class IV, V, VI |
Features & Benefits
- Post Guiding moves the critical function of assuring alignment of the trim out of the flow path
- Plug Contours provide flow characteristics with higher rangeability than cage designs
- Floating Clamped Seat provides simplified maintenance and avoid seat seizure with threaded designs
- Compact Design integrates actuation and positioner to provide lightweight, small footprint, & cost-effective design
- Bolted Bonnet eliminates service issues related to thread designs
- 1-Stage Severe Service Trim option is available for noise and cavitation reduction
- Reduced Environmental Impact and improved safety ensured by compliance with ISO 15848-1 Class B CC1 and ISO 15848-1 Class C fugitive emissions packing options
Standards & Certifications
| Certifications | Canadian Registration Number (CRN) |
|---|---|
| ISO 15848-1 | |
| Design Standards | ASME B16.5 – Pipe Flanges & Flanged Fittings |
| ASME B16.10 – Face to Face & End Dimenions of Valves | |
| ASME B16.34 – Valve Flanged, Threaded, and Welding End | |
| ASME SA Materials | |
| ASTM A Materials | |
| Quality | IS0 9001:2008 |
| ATEX QAN | |
| IECEX QAR |
Case Studies
| Flowserve-Oxygen-Valve-Safety-Awareness-fsg-148-e |
Flowserve Oxygen Valve Safety Awareness fsg 148 e.pdf |
