Knife Gate Valves Browse All 
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Unidirectional
Bidirectional
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Push-Through, Slurry Valves
Guided Shear Gate
Zero Pocket
API Valve Specifications
| Standard | Title |
|---|---|
| API 6D | Specification for Pipeline and Piping Valves |
| API 594 | Check Valves: Flanged, Lug, Wafer, and Butt-welding |
| API 598 | Valve Inspection and Testing |
| API 600 | Steel Gate Valves – Flanged and Butt-welding Ends, Bolted Bonnets |
| API 602 | Gate, Globe, and Check Valves for Sizes DN 100 (NPS 4) and Smaller for the Petroleum and Natural Gas Industries |
| API 603 | Corrosion-resistant, Bolted Bonnet Gate Valves – Flanged and Butt-welding Ends |
| API 607 | Fire Test for Quarter-turn Valves and Valves Equipped with Non-Metallic Seats |
| API 608 | Metal Ball Valves-Flanged, Threaded and Welding Ends |
| API 609 | Butterfly Valves: Double-flanged, Lug and Wafer Type |
| API 622 | Type Testing of Process Valve Packing for Fugitive Emissions |
| API 623 | Steel Globe Valves – Flanged and Butt-welding Ends, Bolted Bonnets |
| API 624 | Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions |
| API 641 | Type Testing of Quarter-turn Valves for Fugitive Emissions |
API Trim Chart
The API Trim Chart is a technical reference tool that helps to select the appropriate trim materials for valves based on their specific application requirements.
API 598 – Pressure Test Requirements
API 598 – Pressure Test Requirements is a standard that outlines the procedures for pressure testing valves to ensure their integrity and reliability.
API Valve Specifications
API Valve Specifications provide detailed guidelines for the design, manufacturing, and testing of valves used in various industries.
ASME Class to Cold Working Pressure
The ASME Class to Cold Working Pressure chart provides a reference for determining the pressure ratings of valves at various temperature levels.
NPS to DN to OD
This chart helps users accurately convert between these sizing standards, ensuring proper valve and pipe selection for their systems.
Pipe Schedule (Inches)
The Pipe Schedule (Inches) chart provides detailed information on the wall thickness of pipes across various nominal pipe sizes (NPS).
Trunnion Ball Valve Types
The Trunnion Ball Valve Types chart provides an overview of the different types of trunnion-mounted ball valves available.
Pressure (PSIG) – Temperature Ratings for Class 150 Valves
The Pressure (PSIG) – Temperature Ratings for Class 150 Valves chart provides the maximum allowable pressure ratings for Class 150 valves at various temperatures.
Pressure (PSIG) – Temperature Ratings for Class 300 Valves
The Pressure (PSIG) – Temperature Ratings for Class 300 Valves chart provides the maximum allowable pressure ratings for Class 300 valves at various temperatures.
Torque Conversion Chart
The Torque Conversion Chart provides a reference for converting torque values between different units, such as foot-pounds, inch-pounds, and Newton-meters.