{"id":4883,"date":"2022-09-06T14:21:24","date_gmt":"2022-09-06T06:21:24","guid":{"rendered":"https:\/\/limegreen-okapi-448594.hostingersite.com\/?post_type=product&p=4883"},"modified":"2026-07-29T19:26:49","modified_gmt":"2026-07-29T11:26:49","slug":"dkz44h-y-vacuum-isolation-manual-gate-valve","status":"publish","type":"product","link":"https:\/\/raymonvalve.com\/es\/product\/dkz44h-y-vacuum-isolation-manual-gate-valve\/","title":{"rendered":"V\u00e1lvula de compuerta DKZ44H-Y para aislamiento de vac\u00edo con bridas"},"content":{"rendered":"
\n
\n
\n
Engineering scope<\/div>\n

Define the application boundary for DKZ44H-Y Flanged Vacuum Isolation Gate Valve<\/h2>\n

A DKZ44H-Y Flanged Vacuum Isolation Gate Valve is evaluated for linear full-open or full-closed isolation. A gate moves across the flow path. Wedge or slab geometry, seat arrangement, bonnet construction, stem loading and body cavity design control sealing and operability.<\/p>\n

Use the name as a starting point. Technical approval still depends on flange standard, face, drilling, gasket, bolting and installed interface; vacuum isolation, air-inleakage control and external-pressure conditions, the complete service envelope, installed interfaces and measurable acceptance.<\/p>\n

\n
\n

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

\n

Vacuum<\/h3>\n

Vacuum isolation, air-inleakage control and external-pressure conditions. Provide absolute pressure, evacuation rate, allowable air leakage, flow direction, temperature, cleanliness and actuation cases.<\/p>\n<\/div>\n

\n

Application envelope<\/h3>\n

Confirm every pressure, temperature, differential-pressure and cycling case for this DKZ44H-Y Flanged Vacuum Isolation Gate Valve.<\/p>\n<\/div>\n

\n

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

\n
\n
Existing listing data<\/div>\n

Published configuration data for DKZ44H-Y Flanged Vacuum Isolation Gate 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

\n
\n
Specification workflow<\/div>\n

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

The table turns application inputs for DKZ44H-Y Flanged Vacuum Isolation Gate Valve into review points and tag-linked evidence.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Review area<\/th>\nEngineering question<\/th>\nRequired record<\/th>\n<\/tr>\n<\/thead>\n
Gate construction<\/td>\nWedge, parallel slide, slab or knife designs serve different pressure, temperature and solids duties.<\/td>\nName the controlling document, responsible reviewer and inspection or calculation record.<\/td>\n<\/tr>\n
Bonnet and stem<\/td>\nBolted, welded or pressure-seal bonnets and rising or non-rising stems affect maintenance and thrust.<\/td>\nName the controlling document, responsible reviewer and inspection or calculation record.<\/td>\n<\/tr>\n
Bore and cavity<\/td>\nMinimum bore, pigging, equalization, vents and drains must be defined where applicable.<\/td>\nName the controlling document, responsible reviewer and inspection or calculation record.<\/td>\n<\/tr>\n
Operating duty<\/td>\nGate valves normally require full-open\/full-closed operation; throttling exposure needs a separate review.<\/td>\nState the measurable requirement and connect it to a drawing, procedure or test result.<\/td>\n<\/tr>\n
Flanged<\/td>\nConfirm flange standard, nominal size, class, facing, finish, bore, gasket and mating-flange compatibility.<\/td>\nCapture the selection basis, approved deviation if any and the record used for acceptance.<\/td>\n<\/tr>\n
Vacuum<\/td>\nProvide absolute pressure, evacuation rate, allowable air leakage, flow direction, temperature, cleanliness and actuation cases.<\/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

Check standards and acceptance criteria against the purchaser-approved edition before order release.<\/p>\n<\/div>\n<\/section>\n

\n
\n
Application boundaries<\/div>\n

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

Avoid prolonged throttling unless the selected construction is explicitly qualified for it; partial opening can damage gates and seats. The final decision must cover system interactions, end-of-life loads, degradation and how failure will be detected or contained.<\/p>\n

\n
Process envelope, contaminants, phase behavior and every case that can govern the DKZ44H-Y Flanged Vacuum Isolation Gate Valve<\/div>\n
Required valve function, operating frequency, shutoff criterion and failure consequence<\/div>\n
Pressure class, size, end connection, face-to-face and piping-interface requirements<\/div>\n
Component-level materials for pressure parts, wetted trim, seats, stem\/shaft, packing, gaskets and fasteners<\/div>\n
Worst-case torque\/thrust, cycle duty, travel time, fail behavior, minimum utility and control accessories<\/div>\n
Applicable standards, pressure tests, special tests, inspection points and final documents<\/div>\n<\/div>\n<\/div>\n<\/section>\n
\n
\n
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

\n
\n

Design basis<\/h3>\n

Tag requirements, design review, materials list and approved exception register.<\/p>\n<\/div>\n

\n

Material identity<\/h3>\n

Pressure and wetted-part traceability plus welding, heat treatment, hardness and inspection evidence.<\/p>\n<\/div>\n

\n

Inspection and tests<\/h3>\n

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

Flange compatibility is separate from valve pressure-boundary qualification. Vacuum suitability includes external-pressure stability and air leakage; a pressure rating alone is insufficient.<\/p>\n

Qualification, testing and material suitability are conditional on the approved scope and supplied records for the actual configuration.<\/p>\n<\/div>\n<\/section>\n

\n
\n
RFQ checklist<\/div>\n

Information needed for a tag-level technical offer<\/h2>\n

A useful RFQ combines process data, piping class, construction and materials, operator\/actuator requirements, acceptance criteria and delivery documents.<\/p>\n

For a DKZ44H-Y Flanged Vacuum Isolation Gate Valve, also highlight flange standard, face, drilling, gasket, bolting and installed interface; vacuum isolation, air-inleakage control and external-pressure conditions. List unresolved assumptions as deviations instead of embedding them silently in the offer.<\/p>\n

\n
\n

Turn the datasheet into a clarified quotation basis<\/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 Gate Valve Options<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n
\n
\n
Related engineering route<\/div>\n

Continue the selection review<\/h2>\n
<\/p>\n

Product family<\/h3>\n

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

<\/a><\/p>\n

Project Valve Review<\/h3>\n

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

<\/a><\/p>\n

Testing and inspection<\/h3>\n

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

<\/a><\/div>\n<\/div>\n<\/section>\n

<\/p>\n