{"id":12708,"date":"2026-04-24T13:56:54","date_gmt":"2026-04-24T05:56:54","guid":{"rendered":"https:\/\/raymonvalve.com\/?post_type=product&p=12708"},"modified":"2026-07-29T19:38:01","modified_gmt":"2026-07-29T11:38:01","slug":"two-piece-flanged-ball-valve","status":"publish","type":"product","link":"https:\/\/raymonvalve.com\/it\/product\/two-piece-flanged-ball-valve\/","title":{"rendered":"Valvola a sfera flangiata a due pezzi"},"content":{"rendered":"
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Engineering scope<\/div>\n

Define the application boundary for Two-Piece Flanged Ball Valve<\/h2>\n

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.<\/p>\n

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.<\/p>\n

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Flanged<\/h3>\n

Flange standard, face, drilling, gasket, bolting and installed interface. Confirm flange standard, nominal size, class, facing, finish, bore, gasket and mating-flange compatibility.<\/p>\n<\/div>\n

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Application envelope<\/h3>\n

Confirm every pressure, temperature, differential-pressure and cycling case for this Two-Piece Flanged Ball Valve.<\/p>\n<\/div>\n

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Installed interface<\/h3>\n

Verify ends, bore, flow direction, orientation, operator envelope, loads and maintenance access.<\/p>\n<\/div>\n

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Order-specific boundary<\/h3>\n

Published information supports initial screening; final size, class, materials, trim, operation, tests and documents are fixed in approved order records.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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Existing listing data<\/div>\n

Published configuration data for Two-Piece Flanged Ball Valve\u2014confirmation required<\/h2>\n

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.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nPrevious listing<\/th>\nRequired order check<\/th>\n<\/tr>\n<\/thead>\n
Product type<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm the exact model, construction and supplied configuration.<\/td>\n<\/tr>\n
Nominal size \/ DN<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm each ordered tag and available trim or bore combination.<\/td>\n<\/tr>\n
Pressure rating<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm governing rating standard, class and temperature basis.<\/td>\n<\/tr>\n
Temperature<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm design, operating, startup and upset metal temperatures.<\/td>\n<\/tr>\n
End connection<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm standard, facing, schedule, bore and mating interface.<\/td>\n<\/tr>\n
Flow coefficient \/ characteristic<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm calculated cases, trim, travel and installed behavior.<\/td>\n<\/tr>\n
Body \/ bonnet material<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm component grade, product form, heat treatment and records.<\/td>\n<\/tr>\n
Trim \/ closure material<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm every wetted component, hardness, coating and pairing.<\/td>\n<\/tr>\n
Seat \/ seal material<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm compatibility, leakage criterion and pressure-temperature limit.<\/td>\n<\/tr>\n
Operation \/ actuator<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm worst-case load, fail state, utilities, speed and accessories.<\/td>\n<\/tr>\n
Leakage basis<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm standard, edition, test direction, medium and measurable acceptance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Evidence boundary:<\/b> 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.<\/p>\n<\/div>\n<\/section>\n

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Specification workflow<\/div>\n

Connect each selection decision to a controlled record<\/h2>\n

Use the matrix to close decisions often hidden behind the short description \u201cTwo-Piece Flanged Ball Valve.\u201d<\/p>\n

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Review area<\/th>\nEngineering question<\/th>\nRequired record<\/th>\n<\/tr>\n<\/thead>\n
Ball support<\/td>\nFloating or trunnion-supported construction must suit size, pressure and differential load.<\/td>\nName the controlling document, responsible reviewer and inspection or calculation record.<\/td>\n<\/tr>\n
Bore<\/td>\nFull, reduced or characterized bore must match flow, pigging and pressure-drop requirements.<\/td>\nName the controlling document, responsible reviewer and inspection or calculation record.<\/td>\n<\/tr>\n
Seat system<\/td>\nSoft, resilient or metal seating is selected from temperature, media, solids, cycling and leakage criteria.<\/td>\nState the measurable requirement and connect it to a drawing, procedure or test result.<\/td>\n<\/tr>\n
Cavity behavior<\/td>\nPressure relief direction, double-block requirements, vents and drains must be defined.<\/td>\nName the controlling document, responsible reviewer and inspection or calculation record.<\/td>\n<\/tr>\n
Flanged<\/td>\nConfirm flange standard, nominal size, class, facing, finish, bore, gasket and mating-flange compatibility.<\/td>\nFreeze the accepted value in the tag datasheet and verify it on the approved drawing.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Record exact standard designations and contract editions; resolve scope gaps and purchaser options before manufacture.<\/p>\n<\/div>\n<\/section>\n

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Application boundaries<\/div>\n

Where this configuration may fit\u2014and what can make it fail<\/h2>\n

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.<\/p>\n

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Process envelope, contaminants, phase behavior and every case that can govern the Two-Piece Flanged Ball Valve<\/div>\n
Required valve function, operating frequency, shutoff criterion and failure consequence<\/div>\n
Piping class, mating ends, bore, installed length, orientation, loads and maintenance clearance<\/div>\n
Body, trim, seat, packing, bolting, lining or coating materials as applicable<\/div>\n
Manual or actuated operation, maximum load, fail action, speed, utilities and accessories<\/div>\n
Product, rating, dimensions, ends and test requirements plus special qualification and tag-linked evidence<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Evidence and quality<\/div>\n

Make every critical claim traceable to the valve tag<\/h2>\n

A certificate or report is useful only when its scope traces to the actual tag, materials and configuration. Use the valve standards guide<\/a> to separate product, rating, dimensional, end-connection and test scope.<\/p>\n

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Design basis<\/h3>\n

Approved datasheet, drawing, bill of materials, rating basis and documented deviations.<\/p>\n<\/div>\n

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Material identity<\/h3>\n

Component certificates, heat or lot traceability, heat treatment, hardness and required PMI or NDE.<\/p>\n<\/div>\n

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Inspection and tests<\/h3>\n

Hold\/witness records, material\/NDE\/pressure\/leakage\/functional results and nonconformance closure.<\/p>\n<\/div>\n<\/div>\n

Flange compatibility is separate from valve pressure-boundary qualification.<\/p>\n

No statement here is an unqualified certification claim; standards, editions and evidence remain subject to project review.<\/p>\n<\/div>\n<\/section>\n

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RFQ checklist<\/div>\n

Data to send for a technically complete quotation<\/h2>\n

Send tag identity, quantity, fluid, all design and operating cases, line interface, function, flow data, materials, operation, testing, inspection and turnover scope.<\/p>\n

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.<\/p>\n

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Turn the datasheet into a clarified quotation basis<\/h2>\n

Share the datasheet, line class and evidence scope so open points and deviations can be resolved before order release.<\/p>\n<\/div>\n

Submit Your Datasheet<\/a>Compare Ball Valve Options<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Related engineering route<\/div>\n

Follow the product, application and inspection route<\/h2>\n
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Product family<\/h3>\n

Compare the main constructions and selection boundaries in this valve family.<\/p>\n

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Project Valve Review<\/h3>\n

Resolve interacting pressure, temperature, corrosion, wear or project risks.<\/p>\n

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Testing and inspection<\/h3>\n

Define pressure-test scope, acceptance, instruments, witness points and records.<\/p>\n

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