Threaded valve into socket valve

[Riz1990u]

GATE VALVE 3/4inch CL 800 SW X NPT ASTM A105 BODY TRIM 13CR + HF BB OS&Y SOLID WEDGE DISC GRAPHITE PKG HW OP API 602
can we remove threads from valve to convert it into socket valve. if possible please share the reference code.

 

[LittleInch]

No.

Just buy what you want.

Or fit an adaptor.

https://t-mex.co.uk/products/pvc-so...TDl_zVLtNGhYXicy5lEWEtQx6Ktso5OBoCKXgQAvD_BwE

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

 

[mk3223]

Since you have NPT connection valve, you may connect the valve with a threaded nipple and seal weld the connection to cover exposed threads.

 

[GBTorpenhow]

Yes you can, if there is enough material present in the forging to leave a thick enough wall per ASME B16.11.

 

[bcd]

MSS SP-141, Multi-Turn and Check valve Modifications, Section 5 gives instructions on thread removal to convert to socket weld for NPS 1/2 - 2, Classes 800, 1500 and 2500.

 

[Krausen]

I would avoid this practice if at possible, although it is done in the field more often than most engineers know. A SW x SW 3/4" carbon steel gate valve with standard trim is a shelf item from almost every supplier that you should be able to get on site in 1-2 days.

If you do go this route, you'll need to confirm you have the minimum required SW dimensions per B16.11 after modifying it (wall thickness [as GBToperhow mentioned), socket depth, & shoulder depth), likely by using RT. The cost of doing all this likely exceeds just ordering the right 3/4" gate valve.