NPT BALL VALVE

NPT Forged floating ball valve have two structures.1-pc, 2-pc and 3-pc design, male or female threaded ends, RPTFE,PEEK, ,NYLON and DERLIN seats. Different materials for seats, gaskets and packing may be chosed acc. to different using condition.

1.Blow out proof stem,fire safe and static resistance safety

2.1/4" turning for opening or closing.

3.Full pore or reduced port

4.  NPT( Screwed ends) to ANSI/ASME B1.20.1

5. Design standard to  API 6D/BS 5351

NPT  BALL VALVE Bolted bonnet, piece Body,Floating Ball
Full or Reduced bore,Blowout Proof Stem
Fire safe and Anti static
Stainless steel ball
ASTM A216 WCB,A351 CF8,A351 CF8M,
A351 CF3,A351 CF3M,A351 CN7M
 
Standards compliance
 
Design and Manufacture: API 608,API 6D,BS5351
Face to face(end to end): ANSI B16.10,
Fire-safe: API 607,API 6FA
Butt welded end: ANSI B16.25
Test and inspection: API 598 

Materials
NO.	Part name	Material
13	Handle	Carbon steel
12	Lock nut	Carbon steel
11	Gland nut	Carbon steel
10	Thrust washer	PTFE/NYLON
09	Gland bush	Stainless steel
08	Stem	Stainless steel

 

NO.	Part name	WCB	LCB
07	Stud and nut	A193 Gr B7/A194 Gr 2H	A320 Gr L7/A194 Gr 4
06	Packing	Graphite/ptfe	Graphite/ptfe
05	Ball seat	PTFE/RPTFE/NYLON	SPTFE/RPTFE/NYLON
04	Gasket	Grafoil/spiral wound	Grafoil/spiral wound
03	Ball	A182 F6a	A182 F304
02	R-body	A216 Gr WCB	A352 Gr LCB
01	L-body	A216 Gr WCB	A352 Gr LCB

 

NO.	Part name	CF8	CF8M
07	Stud and nut	A193 Gr B16/A194 Gr 4/7	A193 Gr B7/A194 Gr 2H
06	Packing	Graphite/ptfe	Graphite/ptfe
05	Ball seat	PTFE/RPTFE/NYLON	PTFE/RPTFE/NYLON
04	Gasket	Grafoil/spiral wound	Grafoil/spiral wound
03	Ball	A182 F304	A182 F316
02	R-body	A351 Gr CF8	A351 Gr CF8M
01	L-body	A351 Gr CF8	A351 Gr CF8M