Predictika · Industrial control valves

An AI sales agent's globe valve quote, checked before it goes out

An AI sales agent prepares a quote for pneumatic globe valves in the SAMSON Type 3241 series: the nominal size, pressure rating, body material, end connections, plug seal and balancing, bonnet, flow coefficient, process temperature, leakage class and the actuator, plus the maximum temperature the quote states. Before it goes out, the agent sends it to Predictika, which checks it against a declarative model of what SAMSON publishes in its data sheet and returns a verdict, every reason and the figures it computed.

Scope: Type 3241 globe valves (DIN version): sizes, ratings, body materials, ends, seals, balancing, bonnets, Kvs, temperature, leakage class and pneumatic actuators. See everything this validator covers

This validator models one Type 3241 valve line at a time, based on the public SAMSON data sheet T 8015 EN, not just the scenarios shown below.

  • Size, rating and body — nominal sizes DN 15 to 300, ratings PN 10, 16, 25 and 40, and the sizes and ratings each body material is offered in (cast iron, spheroidal graphite iron, cast steel, cast stainless steel, forged steel and forged stainless steel); welding ends only for cast steel and cast stainless steel bodies in the listed sizes.
  • Flow coefficient and trim — the Kvs values listed for each nominal size, the pressure-balanced plug (PTFE or graphite ring, metal seal only) where the data sheet lists it, and the leakage class each seal reaches (metal class IV, high-performance metal class V, soft class VI); class V with a balanced plug or below minus 50 degrees Celsius is on request and goes to a person.
  • Bonnet and temperature — standard, insulating section and bellows seal bonnets, with their temperature ranges, the adjustable high-temperature packing for DN 200 to 300, and the maximum temperature the quote states, which must equal the permitted one.
  • Actuator — Type 3271 and Type 3277 pneumatic actuators and the actuator areas the data sheet lists for each nominal size.

Any Type 3241 quote that touches these rules is in scope — not only the scenarios pictured here. Not covered: prices (SAMSON publishes no list prices, so this page shows no price build-up), the versions with flow divider, the ANSI and JIS versions, other valve series, positioners and other accessories, and support terms.

The AI sales agentBuilds the valve configuration from the conversation and says it is ready.
Predictika validatorChecks every rule at once and returns the verdict, each finding, and the computed figures.

6 scenarios in 3 groups · each group runs from the agent’s first attempt to the outcome · click one to switch

What the agent proposes

The AI sales agent says

Illustrative agent statement. The validator receives the structured request below.

Proposing agent: AI sales agent (scripted)

Before sending, the agent must call Recorded run

Predictika validator


      

        
        
        
      

      
Waiting for the call.

      
    

  

  
  

    
Where rules-based CPQ gets it wrong
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Our assessment of what a typical rules-based CPQ (product rules, price rules and validation rules, as in Salesforce CPQ) does with the same cases. It is a judgment about effort and reliability, not a claim that nothing can be built.

    
What the validator caughtTypical rules-based CPQPredictika
Which body material is offered in which size and ratingOnly with workarounds
Each body material has its own list of sizes and pressure ratings; a rules-based CPQ needs a compatibility table or one rule per combination, and every data sheet change means editing them.		Size, rating, body and end connections arrive in one request and are matched to the published lists on every call.
Kvs values and actuator areas that depend on the nominal sizeOnly with care
The listed Kvs values and the actuator areas that fit differ by size, and a few combinations (such as DN 250 with a Kvs of 1000) are exceptions to the pattern.		Size, Kvs and actuator area are compared together, in any order, against the published table.
Temperature range from body, bonnet, plug and packingOnly with care
The permitted range is the narrowest of several limits, and the bonnet or the high-temperature packing changes it.		The permitted range is computed from the whole configuration on every call and compared with the process temperature and with the maximum the quote states.
Leakage class that depends on seal and balancingOnly with care
Class V and VI depend on the seal type, on balancing and on temperature, and some combinations are on request only.		Seal, balancing, temperature and class are evaluated together; the on-request cases go to a person.
Every problem returned in one answerOnly with workarounds
Rules tend to fire as the quote is saved or a step is completed, so a person often fixes one error and meets the next.		All findings come back together, whatever order the choices arrived in.

  

  

    
What this validator catches: findings from its test cases
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Every rule is checked on every call, in any order the choices arrive; one problem never hides another. Blocking findings stop the quote; approval findings need a person to sign off; everything else is computed.

    
1The quote has 0 valves; at least 1 is needed.
2DN 70 is not a nominal size of the Type 3241 valve; the sizes are DN 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250 and 300.
3PN 63 is not a pressure rating of the Type 3241 valve; the ratings are PN 10, 16, 25 and 40.
4DN 300 is outside the sizes of the selected body material (cast iron DN 15 to 250, spheroidal graphite iron DN 15 to 150, forged steel and forged stainless steel DN 15, 25, 40, 50 and 80, cast steel and cast stainless steel DN 15 to 300).
5DN 200 is outside the sizes of the selected body material (cast iron DN 15 to 250, spheroidal graphite iron DN 15 to 150, forged steel and forged stainless steel DN 15, 25, 40, 50 and 80, cast steel and cast stainless steel DN 15 to 300).
6DN 65 is outside the sizes of the selected body material (cast iron DN 15 to 250, spheroidal graphite iron DN 15 to 150, forged steel and forged stainless steel DN 15, 25, 40, 50 and 80, cast steel and cast stainless steel DN 15 to 300).
7PN 40 is not offered for the selected body material (cast iron PN 10 and 16, spheroidal graphite iron PN 16 and 25, all other bodies PN 10 to 40).
8PN 10 is not offered for the selected body material (cast iron PN 10 and 16, spheroidal graphite iron PN 16 and 25, all other bodies PN 10 to 40).
9Welding ends to DIN EN 12627 are offered only for cast steel and cast stainless steel bodies in DN 25, 40, 50, 80, 100, 150, 200, 250 and 300.
10A Kvs of 60 is not listed for DN 50 in the versions without flow divider.
11DN 250 with a Kvs of 1000 is not available with a cast iron valve body.
12Pressure balancing is not listed for DN 100 with a Kvs of 63.
13The data sheet lists pressure-balanced plugs with a metal seal only, with a PTFE or graphite ring.
14The long insulating section or long bellows seal is listed only up to DN 150 and for cast stainless steel and forged stainless steel bodies.
15DN 80 with a Kvs of 100 runs with 19 mm overtravel, which is not available with a bellows seal.
16The adjustable high-temperature packing (up to 350 degrees Celsius) is listed only for DN 200 to 300 with the standard bonnet.
17The process temperature of 300 degrees Celsius is outside the -10 to 220 degrees Celsius range of this body, bonnet and plug.
18The process temperature of 221 degrees Celsius is outside the -10 to 220 degrees Celsius range of this body, bonnet and plug.
19The process temperature of 301 degrees Celsius is outside the -10 to 300 degrees Celsius range of this body, bonnet and plug.
20The process temperature of 5 degrees Celsius is outside the 10 to 220 degrees Celsius range of this body, bonnet and plug.
21The selected plug seal does not reach the required leakage class (metal seal class IV, high-performance metal seal class V, soft seal class VI).
22Leakage class V for a pressure-balanced plug is a special version offered on request (high-performance metal seal with PTFE balancing ring only); a person should confirm it with SAMSON.
23Leakage class V for temperatures below minus 50 degrees Celsius is available on request; a person should confirm it with SAMSON.
24The Type 3277 actuator is listed for DN 15 to 150 with actuator areas of 120 to 750 square centimeters.

  

  

    
Scenarios and results
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The recorded result of the validator for each scenario on this page: the request the AI agent sent, the verdict, and every finding, in the order they appear above.

    
1. Balanced plug and leakage class: Four DN 100 valves with a balanced plug and class V

    
The agent's request. Please quote 4 cast steel Type 3241 globe valves, DN 100, PN 25, with a Kvs of 100, high-performance metal seal, a graphite balancing ring, flanged ends and the standard bonnet. The process temperature is 200 degrees Celsius and the leakage class required is V. The actuator is a Type 3271 with an area of 750 square centimeters. The quote states a maximum temperature of 220 degrees Celsius. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Leakage class not reachable. The selected plug seal does not reach the required leakage class (metal seal class IV, high-performance metal seal class V, soft seal class VI).
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2. Balanced plug and leakage class: The agent resubmits after fixing the errors

    
The agent's request. Please quote 4 cast steel Type 3241 globe valves, DN 100, PN 25, with a Kvs of 100, high-performance metal seal, a PTFE balancing ring, flanged ends and the standard bonnet. The process temperature is 200 degrees Celsius and the leakage class required is V. The actuator is a Type 3271 with an area of 750 square centimeters. The quote states a maximum temperature of 220 degrees Celsius. It is ready to send.

    
Verdict: Needs approval.

    
    
      
  • Class V with a balanced plug is a special version. Leakage class V for a pressure-balanced plug is a special version offered on request (high-performance metal seal with PTFE balancing ring only); a person should confirm it with SAMSON.
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  • Order summary. 4 valves of DN 100 PN 25, Kvs 100; permitted temperature -10 to 220 degrees Celsius, process temperature 200 degrees Celsius.
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3. Cryogenic service: Six DN 80 stainless valves for cryogenic service

    
The agent's request. Please quote 6 cast stainless steel Type 3241 globe valves, DN 80, PN 40, with a Kvs of 80, metal seal, no balancing, flanged ends and the short insulating section. The process temperature is -120 degrees Celsius and the leakage class required is IV. The actuator is a Type 3271 with an area of 750 square centimeters. The quote states a maximum temperature of 450 degrees Celsius. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Process temperature outside the permitted range. The process temperature of -120 degrees Celsius is outside the -50 to 450 degrees Celsius range of this body, bonnet and plug.
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4. Cryogenic service: The agent resubmits after fixing the errors

    
The agent's request. Please quote 6 cast stainless steel Type 3241 globe valves, DN 80, PN 40, with a Kvs of 80, metal seal, no balancing, flanged ends and the long insulating section. The process temperature is -120 degrees Celsius and the leakage class required is IV. The actuator is a Type 3271 with an area of 750 square centimeters. The quote states a maximum temperature of 450 degrees Celsius. It is ready to send.

    
Verdict: Allowed.

    
    
      
  • Order summary. 6 valves of DN 80 PN 40, Kvs 80; permitted temperature -196 to 450 degrees Celsius, process temperature -120 degrees Celsius.
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5. Steam temperature: Two DN 200 valves for 320 degrees steam

    
The agent's request. Please quote 2 cast steel Type 3241 globe valves, DN 200, PN 16, with a Kvs of 250, metal seal, no balancing, flanged ends and the standard bonnet. The process temperature is 320 degrees Celsius and the leakage class required is IV. The actuator is a Type 3271 with an area of 1000 square centimeters. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Process temperature outside the permitted range. The process temperature of 320 degrees Celsius is outside the -10 to 220 degrees Celsius range of this body, bonnet and plug.
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6. Steam temperature: The agent resubmits after fixing the errors

    
The agent's request. Please quote 2 cast steel Type 3241 globe valves, DN 200, PN 16, with a Kvs of 250, metal seal, no balancing, flanged ends and the standard bonnet. The process temperature is 320 degrees Celsius and the leakage class required is IV. The actuator is a Type 3271 with an area of 1000 square centimeters. It has the adjustable high-temperature packing. The quote states a maximum temperature of 350 degrees Celsius. It is ready to send.

    
Verdict: Allowed.

    
    
      
  • Order summary. 2 valves of DN 200 PN 16, Kvs 250; permitted temperature -10 to 350 degrees Celsius, process temperature 320 degrees Celsius.
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Narration transcript
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The text of the narrated walkthrough, step by step.

    
    
      
  1. Welcome to a demo of Predictika's Validator. An AI sales agent prepares a quote for pneumatic globe valves in the SAMSON Type 3241 series: the nominal size, pressure rating, body material, and more. Before it goes out, the agent sends it to Predictika, which checks it against a declarative model of what SAMSON publishes in its data sheet and returns a verdict, every reason and the figures it computed.
    2. 
      
  2. I will start with the first request by the agent.
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  3. The agent says. Please quote 4 cast steel Type 3241 globe valves, DN 100, PN 25, with a Kvs of 100, high-performance metal seal. The process temperature is 200 degrees Celsius and the leakage class required is V. The rest of the request is on screen.
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  4. Before it goes out, the agent calls the validator.
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  5. Blocked, with one finding, all in one answer. The selected plug seal does not reach the required leakage class (metal seal class IV, high-performance metal seal class V, soft seal class VI).
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  6. The validator returned one blocking finding in one answer. A check that reads one field at a time would pass most of this; it shows only when the choices in the quote are checked against each other.
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  7. What this shows: for leakage class that depends on seal and balancing, a rules-based CPQ is error-prone for this.
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  8. Now the agent resubmits.
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  9. The corrected request. It changes the balancing to a PTFE balancing ring.
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  10. It calls the validator again.
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  11. Not blocked, but held for a person.
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  12. The one blocking finding is cleared; one approval remains for a person: class V with a balanced plug is a special version.
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  13. One problem caught in one call, fixed in one pass, and the corrected quote now goes to a person for approval. That is the value of Predictika's validator: catching mistakes before they reach the customer. Now you can try the other scenarios yourself.
    14.