{"id":3760,"date":"2022-08-25T09:14:05","date_gmt":"2022-08-25T01:14:05","guid":{"rendered":"https:\/\/limegreen-okapi-448594.hostingersite.com\/?post_type=product&p=3760"},"modified":"2026-07-29T19:25:20","modified_gmt":"2026-07-29T11:25:20","slug":"pneumatic-high-temperature-and-high-pressure-steam-trap-valve","status":"publish","type":"product","link":"https:\/\/raymonvalve.com\/it\/product\/pneumatic-high-temperature-and-high-pressure-steam-trap-valve\/","title":{"rendered":"Valvola di scarico pneumatica per alte temperature e alte pressioni, anti-erosione"},"content":{"rendered":"
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Engineering scope<\/div>\n

From product name to an engineered Pneumatic High-Temperature High-Pressure Anti-Scour Drain Valve requirement<\/h2>\n

A Pneumatic High-Temperature High-Pressure Anti-Scour Drain Valve is evaluated for modulating process control. A throttling element changes effective flow area in response to a control signal. Installed characteristic, Cv, pressure recovery, trim velocity and actuator resolution determine control quality.<\/p>\n

Use the name as a starting point. Technical approval still depends on air-operated actuator sizing, fail action, supply pressure and accessory package; steam or condensate drain duty with flashing, erosion and thermal cycling; protected trim and staged discharge for erosive high-pressure drain service, the complete service envelope, installed interfaces and measurable acceptance.<\/p>\n

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Pneumatic<\/h3>\n

Air-operated actuator sizing, fail action, supply pressure and accessory package. State minimum\/normal air pressure, fail state, stroke time, duty, solenoid, positioner, switches and tubing requirements.<\/p>\n<\/div>\n

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Drain<\/h3>\n

Steam or condensate drain duty with flashing, erosion and thermal cycling. Provide upstream\/downstream pressures, temperature, condensate rate, startup\/emergency cases, flashing fraction and discharge layout.<\/p>\n<\/div>\n

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Anti-Scour<\/h3>\n

Protected trim and staged discharge for erosive high-pressure drain service. Provide pressure-drop stages, flashing, solids, velocity limits, trim materials, leakage requirement and downstream piping.<\/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 Pneumatic High-Temperature High-Pressure Anti-Scour Drain 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>\n15-100<\/td>\nConfirm each ordered tag and available trim or bore combination.<\/td>\n<\/tr>\n
Pressure rating<\/b><\/td>\nPN16-420 ANSI Class 150-4500<\/td>\nConfirm governing rating standard, class and temperature basis.<\/td>\n<\/tr>\n
Temperature<\/b><\/td>\n20~610\u2103<\/td>\nConfirm design, operating, startup and upset metal temperatures.<\/td>\n<\/tr>\n
End connection<\/b><\/td>\nRF, RJ, BW, SW, etc.<\/td>\nConfirm standard, facing, schedule, bore and mating interface.<\/td>\n<\/tr>\n
Flow coefficient \/ characteristic<\/b><\/td>\nQuick opening<\/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>\nStainless Steel Optional: – Oil-free degreasing treatment Features: -It is sealed with metal tooth-shaped gasket or metal round gasket, which has good safety; the valve body is forged as a whole, with reliable performance and guaranteed safety. -The latest ant<\/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>\nClass V, Class V and Class V Material: -Body, Bonnet: Carbon Steel, Chrome Molybdenum Steel, Stainless Steel<\/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

Convert process conditions into an auditable valve specification<\/h2>\n

Use the matrix to close decisions often hidden behind the short description \u201cPneumatic High-Temperature High-Pressure Anti-Scour Drain Valve.\u201d<\/p>\n

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Review area<\/th>\nEngineering question<\/th>\nRequired record<\/th>\n<\/tr>\n<\/thead>\n
Sizing cases<\/td>\nMinimum, normal, maximum, startup and upset cases require verified fluid properties and pressures.<\/td>\nCapture the selection basis, approved deviation if any and the record used for acceptance.<\/td>\n<\/tr>\n
Trim duty<\/td>\nCavitation, flashing, choked gas flow, noise, erosion and rangeability must be evaluated.<\/td>\nMake this requirement auditable through the order datasheet, design review and inspection plan.<\/td>\n<\/tr>\n
Actuator<\/td>\nRequired thrust or torque, fail action, stroking speed and utility supply must be coordinated.<\/td>\nState the measurable requirement and connect it to a drawing, procedure or test result.<\/td>\n<\/tr>\n
Accessories<\/td>\nPositioner, solenoids, limit switches, air set and hazardous-area requirements form one package.<\/td>\nResolve the open point before release and retain tag-specific evidence in the final dossier.<\/td>\n<\/tr>\n
Pneumatic<\/td>\nState minimum\/normal air pressure, fail state, stroke time, duty, solenoid, positioner, switches and tubing requirements.<\/td>\nName the controlling document, responsible reviewer and inspection or calculation record.<\/td>\n<\/tr>\n
Drain<\/td>\nProvide upstream\/downstream pressures, temperature, condensate rate, startup\/emergency cases, flashing fraction and discharge layout.<\/td>\nFreeze the accepted value in the tag datasheet and verify it on the approved drawing.<\/td>\n<\/tr>\n
Anti-Scour<\/td>\nProvide pressure-drop stages, flashing, solids, velocity limits, trim materials, leakage requirement and downstream piping.<\/td>\nCapture the selection basis, approved deviation if any and the record used for acceptance.<\/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

Failure exposures behind the nominal configuration<\/h2>\n

Do not size a control valve from pipe diameter alone; incorrect Cv can cause poor resolution, noise, cavitation or premature trim damage. The final decision must cover system interactions, end-of-life loads, degradation and how failure will be detected or contained.<\/p>\n

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Complete medium composition, pressure, temperature and flow cases for the Pneumatic High-Temperature High-Pressure Anti-Scour Drain Valve<\/div>\n
Valve role, operating cycles, permitted leakage, safe state and consequence of failure<\/div>\n
Piping class, mating ends, bore, installed length, orientation, loads and maintenance clearance<\/div>\n
Corrosion and wear basis with exact body, trim, sealing, bolting, overlay, lining or coating materials<\/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

Request evidence that matches the supplied design<\/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

Tag requirements, design review, materials list and approved exception register.<\/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

Approved ITP, procedures, calibrated instruments, results, witness records and NCR closeout.<\/p>\n<\/div>\n<\/div>\n

Size at minimum available supply pressure and maximum valve load. Drain-valve selection must include the downstream flashing line and thermal-transient duty. Anti-scour claims require geometry, material and operating evidence for the actual duty.<\/p>\n

Do not infer certification or guaranteed performance from this page. Accept only the order-specific evidence required by the purchaser.<\/p>\n<\/div>\n<\/section>\n

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RFQ checklist<\/div>\n

RFQ inputs that remove avoidable assumptions<\/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 Pneumatic High-Temperature High-Pressure Anti-Scour Drain Valve, also highlight air-operated actuator sizing, fail action, supply pressure and accessory package; steam or condensate drain duty with flashing, erosion and thermal cycling; protected trim and staged discharge for erosive high-pressure drain service. Identify missing inputs and provisional selections so they can be closed before purchase order release.<\/p>\n

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Ask for a configuration tied to the real duty<\/h2>\n

Send the valve list and project requirements. Raymon Valve will identify missing inputs, clarify construction and return an order-specific quotation basis.<\/p>\n<\/div>\n

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

Continue the selection review<\/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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