Define the application boundary for Two-Piece Flanged Ball Valve
A Two-Piece Flanged Ball Valve is evaluated for quarter-turn isolation or characterized rotary control. A bored ball rotates between seats. The selected bore, ball support, seat loading, stem sealing and cavity-relief arrangement determine pressure loss, operating torque and shutoff behavior.
Use the name as a starting point. Technical approval still depends on flange standard, face, drilling, gasket, bolting and installed interface, the complete service envelope, installed interfaces and measurable acceptance.
Flanged
Flange standard, face, drilling, gasket, bolting and installed interface. Confirm flange standard, nominal size, class, facing, finish, bore, gasket and mating-flange compatibility.
Application envelope
Confirm every pressure, temperature, differential-pressure and cycling case for this Two-Piece Flanged Ball Valve.
Installed interface
Verify ends, bore, flow direction, orientation, operator envelope, loads and maintenance access.
Order-specific boundary
Published information supports initial screening; final size, class, materials, trim, operation, tests and documents are fixed in approved order records.
Published configuration data for Two-Piece Flanged Ball Valve—confirmation required
The values below are transcribed from the previous public product listing so useful model information is not lost during the quality rebuild. They are not a universal available range, certificate or order commitment. Confirm every value in the accepted quotation, tag datasheet and approved drawing.
| Parameter | Previous listing | Required order check |
|---|---|---|
| Product type | Not stated in the previous public listing. | Confirm the exact model, construction and supplied configuration. |
| Nominal size / DN | Not stated in the previous public listing. | Confirm each ordered tag and available trim or bore combination. |
| Pressure rating | Not stated in the previous public listing. | Confirm governing rating standard, class and temperature basis. |
| Temperature | Not stated in the previous public listing. | Confirm design, operating, startup and upset metal temperatures. |
| End connection | Not stated in the previous public listing. | Confirm standard, facing, schedule, bore and mating interface. |
| Flow coefficient / characteristic | Not stated in the previous public listing. | Confirm calculated cases, trim, travel and installed behavior. |
| Body / bonnet material | Not stated in the previous public listing. | Confirm component grade, product form, heat treatment and records. |
| Trim / closure material | Not stated in the previous public listing. | Confirm every wetted component, hardness, coating and pairing. |
| Seat / seal material | Not stated in the previous public listing. | Confirm compatibility, leakage criterion and pressure-temperature limit. |
| Operation / actuator | Not stated in the previous public listing. | Confirm worst-case load, fail state, utilities, speed and accessories. |
| Leakage basis | Not stated in the previous public listing. | Confirm standard, edition, test direction, medium and measurable acceptance. |
Evidence boundary: where the previous listing was incomplete or awkwardly translated, this page does not guess a value. Raymon Valve should replace provisional web data with the controlled product datasheet when it is available.
Connect each selection decision to a controlled record
Use the matrix to close decisions often hidden behind the short description “Two-Piece Flanged Ball Valve.”
| Review area | Engineering question | Required record |
|---|---|---|
| Ball support | Floating or trunnion-supported construction must suit size, pressure and differential load. | Name the controlling document, responsible reviewer and inspection or calculation record. |
| Bore | Full, reduced or characterized bore must match flow, pigging and pressure-drop requirements. | Name the controlling document, responsible reviewer and inspection or calculation record. |
| Seat system | Soft, resilient or metal seating is selected from temperature, media, solids, cycling and leakage criteria. | State the measurable requirement and connect it to a drawing, procedure or test result. |
| Cavity behavior | Pressure relief direction, double-block requirements, vents and drains must be defined. | Name the controlling document, responsible reviewer and inspection or calculation record. |
| Flanged | Confirm flange standard, nominal size, class, facing, finish, bore, gasket and mating-flange compatibility. | Freeze the accepted value in the tag datasheet and verify it on the approved drawing. |
Record exact standard designations and contract editions; resolve scope gaps and purchaser options before manufacture.
Where this configuration may fit—and what can make it fail
Do not select from line size and pressure class alone; differential pressure, seat load, cavity pressure and operating torque can govern the design. Installed behavior can be governed by flow dynamics, deposits, operating frequency, maintenance access and the response to abnormal conditions.
Make every critical claim traceable to the valve tag
A certificate or report is useful only when its scope traces to the actual tag, materials and configuration. Use the valve standards guide to separate product, rating, dimensional, end-connection and test scope.
Design basis
Approved datasheet, drawing, bill of materials, rating basis and documented deviations.
Material identity
Component certificates, heat or lot traceability, heat treatment, hardness and required PMI or NDE.
Inspection and tests
Hold/witness records, material/NDE/pressure/leakage/functional results and nonconformance closure.
Flange compatibility is separate from valve pressure-boundary qualification.
No statement here is an unqualified certification claim; standards, editions and evidence remain subject to project review.
Data to send for a technically complete quotation
Send tag identity, quantity, fluid, all design and operating cases, line interface, function, flow data, materials, operation, testing, inspection and turnover scope.
For a Two-Piece Flanged Ball Valve, also highlight flange standard, face, drilling, gasket, bolting and installed interface. Keep an open-point register for any item that could change safety, function, cost or delivery.
Turn the datasheet into a clarified quotation basis
Share the datasheet, line class and evidence scope so open points and deviations can be resolved before order release.
Follow the product, application and inspection route
Convert Two-Piece Flanged Ball Valve from a broad request into an auditable engineering decision
This section addresses the decision a visitor is likely trying to complete—not merely the meaning of the page title. Use it to identify required inputs, compare the proposal and specify the record that will prove acceptance.
| Decision | What to do | Evidence to retain |
|---|---|---|
| Problem statement | For Two-Piece Flanged Ball Valve, define the required system outcome, failure consequence and measurable acceptance before choosing hardware. | Functional requirement |
| Feasible routes | Compare at least the practical construction, material, sealing and actuation alternatives, including reasons for rejection. | Option and trade-off matrix |
| Boundary conditions | Check every normal, transient, startup, shutdown, maintenance and utility-loss case that can change the solution. | Approved application data |
| Validation | Connect each claimed benefit to a calculation, drawing, qualification, inspection or package-level test that applies to the order. | Verification and evidence plan |
How this Two-Piece Flanged Ball Valve guide should be used
This page does not claim that a named person, certificate, qualification, installed project or performance result applies to a future order. Product compliance is confirmed only when the accepted quotation, approved drawing, procedures and final manufacturing/test records identify the supplied configuration.
Technical requirements and standards can change. Verify the official source, contract edition, project precedence and purchaser options. See our technical content review and evidence policy, company information, inspection approach or submit a correction or application question.
Two-Piece Flanged Ball Valve questions
What information is required to select a Two-Piece Flanged Ball Valve?
Provide the medium and composition, all pressure and temperature cases, nominal size, flow or differential pressure where relevant, required function, end connections, materials, shutoff criterion, operation, standards, inspection and documentation. For this configuration, the review must specifically address flange standard, face, drilling, gasket, bolting and installed interface.
Which standards apply to a Two-Piece Flanged Ball Valve?
The answer depends on the product construction, project jurisdiction and purchaser specification. A product standard may cover design scope while separate standards govern pressure-temperature rating, dimensions, ends, pressure testing, fire safety, emissions or materials. Flange compatibility is separate from valve pressure-boundary qualification.
How should Two-Piece Flanged Ball Valve pressure and leakage testing be specified?
Separate pressure-boundary, closure, functional and any special testing. Record the procedure, edition, duration, allowable leakage, intervention point and final evidence.
Can a Two-Piece Flanged Ball Valve be supplied with an actuator?
Where automation is feasible, size from the worst-case valve torque or thrust curve, project margin, fail action, travel time, minimum utility, duty, controls, mounting and package test.
When should a Two-Piece Flanged Ball Valve not be selected?
Do not select it when its qualified construction cannot satisfy the process, shutoff, materials, dynamics, maintenance or documentation requirements. Do not select from line size and pressure class alone; differential pressure, seat load, cavity pressure and operating torque can govern the design. The alternative should be chosen only after comparing the complete service duty.

