Custom-made industrial valves
Custom-made industrial valves: what matters in practice
Custom-made industrial valves examined up close
Custom-made industrial valves are built to a specific requirement, whether that is an unusual alloy, a non standard connection, a special seat or a demanding certification package. Once custom-made industrial valves is correctly specified it disappears from the fault list, and that is exactly the intention. We find that questions about custom-made industrial valves almost always come back to the same three points: medium, temperature and required tightness. During overhaul we first assess whether reworking the seat and disc is sufficient, because that is almost always faster and cheaper than replacement. For spare parts we work from the original configuration, for which a tag plate or serial number is usually enough. We supply maintenance and overhaul kits composed for the specific valve, rather than loose parts that turn out not to fit. Operating conditions govern the service life of custom-made industrial valves far more strongly than the nominal figures on a datasheet. How custom-made industrial valves behaves under varying load says more about the quality of the selection than behaviour under steady load. The balance between required tightness and available operating force is a recurring tension on custom-made industrial valves. We assemble valve and actuator together, set them and test them, so the delivery arrives as one working unit. Tests such as a pressure test, a tightness test, a low temperature test or an emission test are carried out by us or on our instruction to the project requirement. It pays to understand the working principle behind custom-made industrial valves first, because the limits follow from that principle.
Custom-made industrial valves and the decisive technical choices
A custom valve is normally a proven construction with one or two deliberate deviations, which keeps risk and lead time manageable. We regularly see that a small change in the execution of custom-made industrial valves makes a large difference to maintenance frequency. A correct execution of custom-made industrial valves accounts for real operating conditions and not only for design values. The engineering effort sits mostly in the specification stage, because that is where the real decisions are taken. When an original type is no longer available we look for a technically equivalent replacement with the same installation dimensions. For us bespoke work does not start with a drawing but with the question of what exactly is going wrong or missing in the plant. A special valve is often a standard construction with an adapted material, an adapted seat or a different connection. Documentation is part of the product in this segment, since a valve without the right certificates cannot be installed. We document exactly what has been supplied, including material certificates and test reports, because that saves time on a later fault. Dutch Valve Vision works under a KIWA ISO 9001 certified system, which safeguards traceability on bespoke work. For custom-made industrial valves this means that construction and operating conditions cannot be judged separately. In practice we find that most failures around custom-made industrial valves come not from the material but from a wrong assumption during selection.
Custom-made industrial valves in chemicals, power and process industry
Custom work is most common in chemicals, offshore, power generation and in hydrogen and ammonia projects. During turnarounds we work to tight schedules, and then predictability matters more than the lowest price. In existing plants the question is often replacement within existing dimensions, and that is exactly where bespoke work pays for itself. During turnarounds custom-made industrial valves is regularly on the critical path, and then predictability matters more than the lowest price. In an existing plant custom-made industrial valves is often part of a wider question about availability and maintenance. On project supply we record per position which execution of custom-made industrial valves was delivered, including materials and tests. Our customers use custom-made industrial valves in positions where a failure has immediate consequences for production. Our bespoke enquiries come mainly from chemicals, power generation, offshore and from hydrogen and ammonia projects. Our market is project driven and international, and we deliver worldwide to installers, EPC contractors and end users. What defines us is that we would rather spend an extra half hour on the specification than ship the wrong valve that comes back two months later. For custom-made industrial valves the sector determines which documentation and tests belong with the delivery. We supply custom-made industrial valves both for new build and for replacement within existing installations.
Specifying custom-made industrial valves correctly
If a simpler type will do the job, we say so on custom-made industrial valves, even when that means a smaller order. A non standard face to face length or flange standard is usually solvable without modifying the pipework, and that saves considerably. On a bespoke enquiry we ask for the reason behind the modification, because the underlying problem sometimes has a simpler solution. We say honestly when a modification is not technically or economically sensible, even when that costs us the order. For custom-made industrial valves total cost of ownership weighs more than purchase price, certainly when replacement has to happen during a shutdown. The cleaning and flushing procedure counts too on custom-made industrial valves, because it can be more aggressive than the process itself. For custom-made industrial valves we ask as standard for DN, pressure class, medium, temperature and required actuation. The required leakage class often drives the choice around custom-made industrial valves more strongly than the budget does. We are happy to think along on a spare parts strategy, so critical positions are covered without carrying redundant stock. A tag plate with project data is supplied as standard where the project requires it. Please also state the connection standard, the required leakage class and any project requirements such as NACE, PED or ATEX. On custom-made industrial valves we check that the actuator is sized on torque at maximum differential pressure and not on an average value. On custom-made industrial valves we also state what an execution cannot do, because that prevents more problems than a list of advantages.
Custom-made industrial valves supplied with technical advice
Our specialists are happy to discuss custom-made industrial valves on the basis of your P&ID, your datasheet or simply a photograph of the situation. We work as a technical supplier rather than a catalogue reseller, which means we carry out the selection ourselves on the basis of medium, pressure, temperature and code requirements. Dutch Valve Vision stays available after delivery of custom-made industrial valves for technical questions and for parts. We handle an enquiry for custom-made industrial valves on its technical merits rather than as a price request that only produces a number. On custom-made industrial valves we come back with a proposal that explains why we recommend a particular execution. We keep spare parts and overhaul kits mapped per project, so that a breakdown does not start with a search from scratch. We quote a realistic lead time rather than an optimistic one, because a missed delivery date costs more than an extra week in the planning. Tests around custom-made industrial valves are carried out by us or on our instruction according to the requirements in the specification. Documentation on custom-made industrial valves has to be the kind a buyer or inspector accepts without discussion. On custom-made industrial valves we make sure the chosen execution demonstrably meets the stated standards rather than merely looking plausible on paper. For custom-made industrial valves you can come to Dutch Valve Vision for the selection, the delivery and the support afterwards. Even when the specification for custom-made industrial valves is not yet finalised, you can bring the question to us. You can reach us on +31 (0)70-2210560 and at sales@dutchvalvevision.com, and our office hours are Monday to Friday from 09:00 to 17:00.
Frequently asked questions about custom-made industrial valves
What exactly does custom-made industrial valves mean?
When an original type is no longer available we look for a technically equivalent replacement with the same installation dimensions. Custom-made industrial valves are built to a specific requirement, whether that is an unusual alloy, a non standard connection, a special seat or a demanding certification package. We supply maintenance and overhaul kits composed for the specific valve, rather than loose parts that turn out not to fit. A special valve is often a standard construction with an adapted material, an adapted seat or a different connection. That makes custom-made industrial valves a subject where discussion up front pays for itself in operation. In most projects custom-made industrial valves turns out to be less standard than it first appears. The term custom-made industrial valves is used broadly in the market, which is why it helps to define precisely what it means in your case. What defines us is that we would rather spend an extra half hour on the specification than ship the wrong valve that comes back two months later.
Which executions of custom-made industrial valves are available?
Documentation is part of the product in this segment, since a valve without the right certificates cannot be installed. For us bespoke work does not start with a drawing but with the question of what exactly is going wrong or missing in the plant. Dutch Valve Vision works under a KIWA ISO 9001 certified system, which safeguards traceability on bespoke work. We document exactly what has been supplied, including material certificates and test reports, because that saves time on a later fault. For custom-made industrial valves a good specification up front is cheaper than a correction afterwards. We see this come back regularly in enquiries about custom-made industrial valves, and the answer is rarely a single sentence. On custom-made industrial valves we always check the full operating envelope, including start up and shutdown. Dutch Valve Vision supplies special valves for special applications from its base in Monster, the Netherlands, with QUADAX and PRUSS as the core brands in the programme.
Which materials are used for custom-made industrial valves?
Tests such as a pressure test, a tightness test, a low temperature test or an emission test are carried out by us or on our instruction to the project requirement. The engineering effort sits mostly in the specification stage, because that is where the real decisions are taken. We assemble valve and actuator together, set them and test them, so the delivery arrives as one working unit. A tag plate with project data is supplied as standard where the project requires it. Our experience with custom-made industrial valves comes from projects in chemicals, power generation, technical gases and offshore. The answer to this question on custom-made industrial valves changes as soon as the medium or the temperature changes. With custom-made industrial valves it pays to include phase changes in the medium, because those sharply increase the load on the seal. We work as a technical supplier rather than a catalogue reseller, which means we carry out the selection ourselves on the basis of medium, pressure, temperature and code requirements.
What should I watch technically on custom-made industrial valves?
What should I watch technically on custom-made industrial valves?
Which applications call for custom-made industrial valves?
Custom work is most common in chemicals, offshore, power generation and in hydrogen and ammonia projects. Our bespoke enquiries come mainly from chemicals, power generation, offshore and from hydrogen and ammonia projects. During turnarounds we work to tight schedules, and then predictability matters more than the lowest price. In existing plants the question is often replacement within existing dimensions, and that is exactly where bespoke work pays for itself. This is one of the points on custom-made industrial valves where suppliers differ most clearly from one another. If you are unsure about this on custom-made industrial valves, we are glad to put the question alongside the actual process data. On replacement we always check the existing installation dimensions for custom-made industrial valves, so the pipework can stay untouched. Dutch Valve Vision operates under a KIWA ISO 9001 certified quality system, which in the RFQ stage of chemical and offshore projects is usually a hard requirement.
What determines the price and lead time of custom-made industrial valves?
For an accurate quotation we need the nominal diameter, the pressure class, the medium, the operating temperature and the required actuation. Lead times depend on the execution, because a standard size from a running series behaves very differently from a valve in an exotic alloy with NACE certification. We keep spare parts and overhaul kits mapped per project, so that a breakdown does not start with a search from scratch. On repeat orders we record the configuration, so a follow up delivery is identical to the first and installation holds no surprises. We always explain why we arrive at a particular recommendation on custom-made industrial valves, so you can follow the reasoning yourself. On custom-made industrial valves we include start up and shutdown, because that is where the heaviest loading occurs. Our specialists are happy to discuss custom-made industrial valves on the basis of your P&ID, your datasheet or simply a photograph of the situation. We are based at Vlotlaan 641, 2681 TZ Monster in the Netherlands and can be reached on +31 (0)70-2210560 and at sales@dutchvalvevision.com.
What about maintenance and spare parts on custom-made industrial valves?
Documentation such as material certificates, test reports and declarations is supplied as standard, matched to what the project requires. We quote a realistic lead time rather than an optimistic one, because a missed delivery date costs more than an extra week in the planning. We are happy to think along on a spare parts strategy, so critical positions are covered without carrying redundant stock. For shutdowns and turnarounds we look at accelerated routes, and in those cases we are honest up front about what is and is not achievable. We always explain why we arrive at a particular recommendation on custom-made industrial valves, so you can follow the reasoning yourself. On custom-made industrial valves we prefer a well founded answer to a fast one that turns out to be wrong later. We record which execution of custom-made industrial valves was delivered, so a follow up delivery or spare part matches exactly later on. Our customers work in chemicals, petrochemicals, pharmaceuticals, power generation, offshore and in hydrogen and ammonia projects.
How do I request a quotation for custom-made industrial valves?
A P&ID, a datasheet or even a photograph of the existing installation often helps us faster than a long description. We come back with a proposal that explains why we recommend a particular execution, including the alternatives we considered. Please also state the connection standard, the required leakage class and any project requirements such as NACE, PED or ATEX. If you have an existing tag plate or serial number, send it along, because that lets us work directly from the original configuration. On custom-made industrial valves we prefer a well founded answer to a fast one that turns out to be wrong later. This is one of the points on custom-made industrial valves where suppliers differ most clearly from one another. We supply custom-made industrial valves as a loose product or as a fully assembled unit with actuator and accessories. Call +31 (0)70-2210560 or send your specification to sales@dutchvalvevision.com and we will pick it up.