Valves and flow control
Pneumatic knife gate valve
Full-line isolation with low pressure loss when open
Specialist selection guide
What should be reviewed before selecting this product?
Pneumatic knife gate valve belongs to the Actuated valves family. Technical selection must start from actual service conditions, followed by verification of dimensions, pressure-temperature duty, material, connection, construction standard, testing and manufacturer documentation against the project piping class.
Technical selection path
- 1
Extract valve torque from the project specification and verify it against the manufacturer proposal
- 2
Extract actuator type and supply from the project specification and verify it against the manufacturer proposal
- 3
Extract fail position from the project specification and verify it against the manufacturer proposal
- 4
Extract travel time from the project specification and verify it against the manufacturer proposal
- 5
Extract ingress protection and hazardous area from the project specification and verify it against the manufacturer proposal
- 6
Extract feedback and control signal from the project specification and verify it against the manufacturer proposal
Key strengths
- Selection within the established Actuated valves family
- Compatibility review across project materials and connections
- Structured technical comparison before final enquiry
Selection limitations
- A trade name or product name alone does not define the technical specification
- Pressure-temperature limits depend on material, design and standard edition
- Substitution requires dimensional, functional and documentation verification
Typical applications
Where can this option be considered?
- Evaluation for Oil and gas projects subject to service-condition approval
- Evaluation for Refining projects subject to service-condition approval
- Evaluation for Petrochemical projects subject to service-condition approval
Reference standards
A standard does not replace the project specification
ISO 5211Reference relevant to Pneumatic knife gate valve selection, dimensions, materials or testing; the required edition must be stated in the orderIEC 60529Reference relevant to Pneumatic knife gate valve selection, dimensions, materials or testing; the required edition must be stated in the orderAPI 6DReference relevant to Pneumatic knife gate valve selection, dimensions, materials or testing; the required edition must be stated in the orderIEC 61508Reference relevant to Pneumatic knife gate valve selection, dimensions, materials or testing; the required edition must be stated in the order
Common technical questions
Concise answers before enquiry
What information is required to enquire about Pneumatic knife gate valve?
At minimum provide valve torque, actuator type and supply, fail position, travel time, ingress protection and hazardous area and fluid conditions. Final documentation requirements follow the project specification.
Are two Pneumatic knife gate valve products with the same name interchangeable?
No. Installation dimensions, pressure-temperature rating, wetted materials, connection, test method and material certification must be checked independently.
Lines where the valve normally operates fully open or fully closed
Not intended for continuous throttling; check orientation, gate design and face-to-face
Initial review sheet
Technical attributes to review
Final values must come from project specifications, calculations and manufacturer data. This table defines the information scope.
FamilyActuated valves
Main groupValves and flow control
Materials to evaluateCarbon steel, Stainless steel, Ductile iron, Engineering plastics
Connections to evaluateFlanged, Threaded, Welded, Hygienic clamp, Polymer socket
Typical mediaProcess, Water, Steam, Chemicals, Slurry
Relevant industriesOil and gas, Refining, Petrochemical, Power generation, Water and utilities
Reference standardsISO 5211 · IEC 60529 · API 6D · IEC 61508
Enquiry checklist
Include this information with your request
Valve torque
Actuator type and supply
Fail position
Travel time
Ingress protection and hazardous area
Feedback and control signal
Before substitution
A matching name does not guarantee interchangeability
Installation dimensions, pressure rating, wetted materials, sealing design, construction standard, testing and documentation must be checked independently.
Adjacent types
Other options in this family
Final technical approval is required
This page is educational and intended for initial screening. Final selection must be approved against project requirements, actual service conditions and manufacturer documentation.
Send request for review