Gold Member Since 2006
Audited Supplier
Anyi Instrument Co., Ltd.

Rtj Ring Groove Vernier Caliper, Ring Joint Caliper, Ring Joint Face Caliper manufacturer / supplier in China, offering Rtj Ring Groove Digital Calipers with 23 Degree Conical Points, Steel Metric Retangular Gage Block Sets, API Ring Groove Digital Calipers Variety of Forged Steel Ball Valves and so on.

(/ )

Supplier Homepage Product Digital Vernier Caliper Series Rtj Ring Groove Digital Calipers with 23 Degree Conical Points

Rtj Ring Groove Digital Calipers with 23 Degree Conical Points

FOB Price: US $59-275 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $59-275/ Piece
Get Latest Price
Production Capacity: 1000PCS/Month
Transport Package: Plastic Box
Payment Terms: T/T, Paypal, Western Union

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: 118-401C
  • Material: Stainless Steel
  • Range: 0-300mm, 0-500mm, 0-600mm, 0-1000mm
  • Measure Method: Manual
  • Precision Measuring Device: Precision Measuring Device
  • Customized: Customized
  • Measuring Parameter: Rtj′s Groove(Od,ID,PCD)
  • Trademark: Anyi
  • Origin: Guilin, China
  • Type: Vernier Caliper
  • Measurement Object: Pitch Diameter
  • Precision: 0.01mm
  • Accuracy: A
  • Certification: ANS, CE, UL, ISO
  • How to Use: to Check API Ring Grooves
  • Cover Types of Rtj Groove: R,Rx,Bx
  • Specification: 0-300mm, 0-500mm, 0-600mm, 0-1000mm
  • HS Code: 9017300
Product Description



Ideal for ring grooves and ring joint Facings applicatioins in oil, gas&petrochemical industry!

The Most Economical& Easy Way To Check RTJ, API Ring Grooves and all ring joint facings.
Unique Measuring Instrument
Designed specifically for oilfield industry and flange industry.
The Series of API Ring Groove Checker Inspect all types of API Ring seal Groove i.e R,RX,BX RTJ's Groove. It is a modified form of vernier caliper. It can be used to check, OD, ID and pitch diameter of the Ring joint facings.


Pitch diameter=(ID+OD)/2


Ring joint facings K= (ID+OD)/2, please kindly check below picture. 

Rtj Ring Groove Digital Calipers with 23 Degree Conical Points



During RTJ's groove manufacturing, RTJ's groove checking is an important criteria. Our RGC Caliper reduces all the headache of checking RTJ's groove while machining. It saves rework & rejection cost of RTJ's groove by giving direct accurate reading. During machine of RTJ's groove we can save time,save money

The Checking Process RTJ groove measuring instruments

The checking process of RTJ's groove with RGC calipers is very simple, RGC is properly Position on falt surface of RTJ's groove. The precision contact point of ball touches the angular portion of the groove. The RGC Caliper gives the reading, from this reading we can subtract/Add some constant valve to obtain final drawing reading of RTJ's groove


1) Does not required any setting gauge or parameter.

2) Gives accurate readingin micron or inch

3) Measure all parameter of RTJ's groove(OD, ID, PCD)

4) Covers all types of RTJ's groove i.e. R, RX, BX

5) Gives 100% Repeatability.

6) No skilled person required.

7) Save rework or rejection headached.

8) Saves time, saves money

9) Easy to handle, easy to store, easy to use.

10) Coolan-proof, corrosion resistance. 
Rtj Ring Groove Digital Calipers with 23 Degree Conical Points

Rtj Ring Groove Digital Calipers with 23 Degree Conical Points

Send your message to this supplier
Mr. Andy Wang
To: Mr. Andy Wang

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now

Find Similar Products By Category