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RTJ API Ring Groove measuring Digital Caliper JOINT flange valve seal instrument

FEATURES

  • RTJ (ring type joint facing) API Ring Groove Digital Calipers,RING JOINT GROOVE measuring instruments, RTJ ring groove measuring instruments, rjt vernier caliper
  • Used to measure the ring groove or ring joint in valve flange and pipe flange.
  • Denotes API critical dimension, break sharp corner typical, groove dimensions for type "R" and "RX" gaskets, size API 6A, API 3-5m ANSI.
  • With presetting function,easy for origin-setting.
  • Can measure the outside and inside diameter of the RTJ and API (Ring Type Joint)ring groove. So you can calculate the pitch diamter by below formula.
  • Preset 20mm before measuring, PCD means pitch circle diameter, PCD=(ID+OD)/2 ; Also this caliper can easy measure actually ID and OD for ring joint. Actually OD=reading+10mm, Actually ID=reading-10mm;
  • Available with conical and accurate cutting points.
  • The angle of the jaws/claw:23°  23 degree angle,
    octagonal gasket and block ring sealing structure,oval type ring joint gaskets.

  • For ASME / ANSI B16.5

     

Range(mm/in) Resolution Permissible Error Order No. Price Buy Now
10-300mm 0.01mm ±0.03mm 426-403 $150.00USD
10-500mm 0.01mm ±0.05mm 426-405 $260.00USD
10-1000mm 0.01mm ±0.06mm 426-410 $420.00USD
10-600mm 0.01mm ±0.05mm 426-406 $320.00USD

Complement

RTJ API Ring Groove Digital Calipers

Questions & Comments

  • Rezali kusnan on January 13, 2017, 7:14 am

    HI We are looking for RTJ grove vernier for measuring ASME B 16.5 RTJ flanges from 0 ~ 300 . Can I get Quotation form your with best price ASAP.Thanks

  • Rezali kusnan on January 13, 2017, 7:14 am

    HI We are looking for RTJ grove vernier for measuring ASME B 16.5 RTJ flanges from 0 ~ 300 . Can I get Quotation form your with best price ASAP.Thanks

  • Rezali kusnan on January 13, 2017, 7:14 am

    HI We are looking for RTJ grove vernier for measuring ASME B 16.5 RTJ flanges from 0 ~ 300 . Can I get Quotation form your with best price ASAP.Thanks

  • Rezali kusnan on January 13, 2017, 7:13 am

    HI We are looking for RTJ grove vernier for measuring ASME B 16.5 RTJ flanges from 0 ~ 300 . Can I get Quotation form your with best price ASAP.Thanks

  • Rezali kusnan on January 13, 2017, 7:13 am

    HI We are looking for RTJ grove vernier for measuring ASME B 16.5 RTJ flanges from 0 ~ 300 . Can I get Quotation form your with best price ASAP.Thanks

  • FastinOnline on October 25, 2016, 9:54 pm

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  • Baskaran on June 16, 2016, 1:21 pm

    We need API ring groove vernier 0-500 mm. our factory is located at Oman. Please send us the brochure and Quotation.Also give us con tact details for any dealer in Dubai for your products.

  • Carrieann on February 3, 2016, 10:03 am

    Wow! Great to find a post with such a clear meassge!

  • Jesper Edlefsen on March 21, 2015, 1:42 am

    We are using them and they work fine. The only issue we had is that the two smaller calipers had tips with two deferent sizes 7mm & 6.9mm . Luckily the bigger caliper had 7mm tip on it ,so we swapped it out with the smaller caliper. That way we

  • Unang Priatna on October 3, 2014, 12:46 am

    What is the largest diameter I can measure with this caliver, I need to measure API ring groove more than 12 inch. thank you

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Product Detail

Ring groove measuring instruments, ring groove vernier caliper

We searched Ring Groove Measuring.

We are using the Caliper to measure RTJ Test Flanges 


For ASME / ANSI B16.5



This for our own workshop use. We use for measuring Ring grooves on API 6A Flanges, Blocks & Adapters etc.,
We are currently using Gage maker & Tool Runner Ball verniers, but we also want some direct reading verniers like yours for direct use by our machinists

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