Welded Bonnet Forged Gate Valves

Compared with bolted bonnet gate valve, welded bonnet forged gate valve has better sealing performance, lighter weight, and can withstand higher working pressure.
 

Application standards

1. Design and manufacture conform to API 602, BS5352 ,ANSI B16.34;
2. Connection ends conform to
   1. Socket welded dimension conform to ANSI B16.11 , JB/T1751
   2. Screw ends dimension conform to ANSI B1.20.1 , JB/T7306
   3. Butt-welded conform to ANSI B 16.25 , JB/T12224
   4. Flanged ends conform to ANSI B16.5 , JB79
3. Test and inspection conform to: API598 , GB/T13927 , JB/T9092
4. Structure features:
   Bolted bonnet outside screw and yoke
   Welded bonnet outside screw and yoke
5. Materials conform to ANSI/ASTM
6. Main materials:
   A105 , LF2 , F5 , F22 , 304(L) , 316(L) , F347 , F321 , F51 , Monel , 20 Alloy

Carbon steel temperature-pressure rate

CL150 - 285 P.S.I @ 100^oF
CL300 - 740 P.S.I @ 100^oF
CL600 - 1480 P.S.I @ 100^oF
CL1500 - 3705 P.S.I @ 100^oF

CL800

Dimension of welded bonnet forged gate valve.
 

Welded bonnet forged gate valves, full port reducing port outside screw and yoke (OS & Y) Threaded. Butt-welded or socket welded ends , design to API 602

Specification (NPS)	R.P	-	1/2	3/4	1	1(1/4)	1(1/2)	2	2(1/2)	3
	F.P	1/4	3/8	1/2	3/4	1	1(1/4)	1(1/2)	2	2(1/2)
Face to face	L	79	79	92	111	120	120	140	178	180
Handwheel diameter	W	100	100	100	125	160	160	180	200	220
Height	H	161	161	163	196	223	251	290	333	370
Flow port dimension	d	8	10.5	13.5	18	24	29	36.5	45	51
Weight(Kg)		1.9	1.9	2.1	3.2	5.2	6.9	10.4	15.8	22