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API Internal Flush (I.F.) working, reference and regional master gages per API specification 7-2 for sizes from 2 to 6-5/8 inches in diameter. All working gages are manufactured and certified using a certified API reference master gage as required by the standard.







INTERNAL FLUSH:
API Internal Flush (I.F.) working, reference and regional master gages per API specification 7-2 for sizes from 2 to 6-5/8 inches in diameter. All working gages are manufactured and certified using a certified API reference master gage as required by the standard.
| SIZE | T.P.I | T.P.F | THD FORM |
|---|---|---|---|
| 2 | 4 | 2 | V-0.065 |
| 2 3/8 (NC26) | 4 | 2 | V-0.038R |
| 2 7/8 (NC31) | 4 | 2 | V-0.038R |
| 3 1/2 (NC38) | 4 | 2 | V-0.038R |
| 4 (NC46) (4 1/2 XH) | 4 | 2 | V-0.038R |
| 4 1/2 (NC50) (5 XH) | 4 | 2 | V-0.038R |
| 5 1/2 | 4 | 2 | V-0.038R |
| 6 5/8 | 4 | 2 | V-0.038R |
SOWANT PRECISION GAGE CAN OFFER YOU 4-1/2″ (I.F.) Internal Flush Rotary Shouldered WORK PLUG,WORK RING,MASTER GAUGES,most of them in stock , if you need quotation, let me know.all calibration report will shiped as well.
SHANGHAI 3-1/2" IF ( Internal Flush ) Thread Plug Gage ( NC38 Thread Plug Gage),IN STOCK all API IF thread gages are made in china ,the price is very cheaper than USA or UK and japan
CHINESE MADE 4″ IF (internal flush) PRICE LIST, is $1000.00 or $800.00? call for price now... or email to us sales@oskar-schwenk.com.cn
FH 3 1/2 FH 4 FH 4 1/2 FH 5 1/2 FH 6 5/8
API IF (Internal Flush) thread ring gauges and plug gage(API Spec 7-2)
some customer have the following question about IF thread gage made in China,? which manufactor is professional API thread gages? some are reseller ,not profession,is that right?
IF 2 3/8 work plug gage weight is 3kg? IF 2 7/8 working ring gage will be shiped with box? IF 3 1/2 working ring gages was calibration parameter or only standoff value? IF 4
IF 4 1/2 IF 5 1/2 IF 6 5/8
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