Forged trunnion mounted ball valve

Description

Forged steel trunnion mounted ball valve

1.Forged ball valve feature
forged ball valve,the forging material can ensure sufficient rigidity and strength under maximum rated operation pressure without inherent flaw of cast. Enough wall thikness of separate body and adaptation of high strength tie bolts are convenient for valve maintenance and sufficient to bear the stress of pipe.The internal parts of valve are carefully designed and selected to ensure reliability under all kinds of work condition.

2.Anti-fire safe design
When the trunnion ball valve be used normally,its sealed by seat and ball surface,seat retainer sealed by O-ring and body,this is soft sealed and reliable sealing.When the seat and O-ring are burnt,the seat retainer and body will be sealed by expanded graphite.Thus act anti-fire safe purpose.

3.Anti-static device
In order to prevent friction among ball,stem and PTFE that generates static electricity which may light the combustibles and explosives that cause an accident,in this ball valve,static-conduction spring is set between the stem and the ball,the stem and the body.Thus static electricity is conducted to ground and system safety is secured.

4.Free leakage of body Sealed construction
The connective position of valve body and bonnet is double sealed by gasket and O-ring,on this base,such factors as fire,high temperature,shock and uneven opening or closing of the torque all can't induce external leakage.

5.Low torque in operation
The self-lubricated bearings are installed at the friction of stem,resulting in wear resistance,fiexibilityof operation and low torque.

6. Double block&bleed(DBB)
When ball is full open or close position,the transmitter substance in center cavity of body can be released by drainage and emptying devices.In addition,the over loaded pressure in the center cavity of valve can be released to low pressure end by self relief seat.

7.Emergency sealing
Compound injection holes are designed and compound injection valves are installed at locations of stem/cap and body support of side valve.When sealing of stem or seat is damaged to induce leakage,the compound can be used to do the second time sealing.A concealed check valve is installed in side of each compound injection valve to prevent compound from out flowing due to the action of transmitter substance.The top of the compound injection valve is the connector for fast connection with compound injection gun.

8.Extension stem
For the underground installed valve,the stem can be lengthened and for the convenience of operation the corresponding compound injection nozzle and drainage valve can be extended to the top of valve.

9.Automatic body cavity relief
When the body pressure going up un-normally as the unstable factor,the trunnion ball valve downstream seat will be pushed by unnormalpressure,and the release the un-normally pressure automatically,it doesn't damage to the sealing of upstream seat.

10.Various driving types
The top pad of valve designed according to ISO 5211,which is convenient for connection and exchange of various drivers.The common driving types are manual,electrical,pneumatic and pneumatic/hydraulic

FORGED STEEL trunnion mounted Ball Valve CLASS 150~1500

Bolted cover or welded cover,three-piece Body,fixed Ball
Full or Reduced bore,Blowout Proof Stem
Fire safe and Anti static
Dual seat with injection and drain & outlet
ASTM A105N,A182 F304,A182 F316,A182 F304L,A182 F316L

Standards compliance
Design and manufacture: ANSI B16.34,API 608,API 6D,BS5351
Face to face dimensions: ANSI B16.10,API 6D
Flanged connection: ANSI B16.5
Butt welded: ANSI B16.25
Fie-safe: API 607~API 6FA
Test and inspection: API 598,API6D

Standard material specifications
Part name	Material
Body	A105	A182 F304	A182 F316	A182 F304L	A182 F316L
Body cap	A105	A182 F304	A182 F316	A182 F304L	A182 F316L
Ball	A105+Nip	A182 F304	A182 F316	A182 F304L	A182 F316L
Stem	A105+Nip	A182 F304	A182 F316	A182 F304L	A182 F316L
Seat	A105+Nip	A182 F304	A182 F316	A182 F304L	A182 F316L
Seat ring	PTFE/RPTFE/NYLON
Fixed turnnion	A105+Nip	A182 F304	A182 F316	A182 F304L	A182 F316L
O-ring	VITON	VITON	VITON	VITON	VITON
Contact spring	17-7PH/In conel	In conel	In conel	In conel	In conel
Cover bolt	A193 B7	A193 B8	A193 B8M	A193 B8M	A193 B8M
Cover nut	A194 2H	A194 8	A194 8M	A194 8M	A194 8M
Bearing	SF-1	SF-1	SF-1	SF-1	SF-1

CLASS 150lb~1500lb FORGED STEEL trunnion mounted Ball Valve

Dimensions & weights
Class 150lb
Size	inch	2	3	4	6	8	10	12	14	16	18	20
L(RTJ)	mm	178	203	229	394	457	533	610	686	762	864	914
H	mm	153	195	213	500	568	605	662	725	770	970	935
H1	mm	139	178	191	220	289	318	382	430	470	489	528
L0	mm	400	600	850	400*	400*	400*	400*	800*	800*	600*	500*
Weight	mm	30	50	90	203	289	450	588	676	864	764	911

Dimensions & weights
Class 300lb
Size	inch	2	3	4	6	8	10	12	14	16	18	20
L	mm	216	283	305	403	502	568	648	762	838	914	911
L(RTJ)	mm	232	299	321	419	518	584	664	778	854	930	1010
H	mm	153	195	213	500	569	605	662	725	770	970	935
H1	mm	139	178	191	220	289	318	382	430	470	489	528
L0	mm	600	1250	1300	400*	400*	400*	400*	800*	800*	600*	500
Weight	mm	30	50	90	203	289	450	588	676	864	764	911

Dimensions & weights
Class 600lb
Size	inch	2	3	4	6	8	10	12	14	16	18	20
L	mm	292	356	432	559	660	787	838	889	991	1092	1194
L(RTJ)	mm	295	359	435	562	663	790	841	892	994	1095	1200
H	mm	153	195	213	500	569	645	702	750	815	970	1065
H1	mm	119	145	180	220	289	318	382	430	470	489	561
L0	mm	600	1250	1300	400*	400*	457*	457*	800*	800*	600*	600*
Weight	mm	32	64	122	267	521	773	1118	1700	1970	1218	1646

Dimensions & weights
Class 900lb
Size	inch	2	3	4	6	8	10	12	14	16	18	20
L	mm	368	381	457	610	737	838	965	1029	1130	1210	1321
L(RTJ)	mm	372	384	460	613	780	841	968	1038	1140	1232	1334
H	mm	162	205	239	591	700	700	820	950	990	1030	1200
H1	mm	119	145	180	213	254	327	368	442	483	523	615
L0	mm	600	1250	1300	450*	600*	750*	750*	600*	600*	600*	600*
Weight	mm	48	78	138	275	547	847	1224	1676	2083	2694	3515

Dimensions & weights
Class 1500lb
Size	inch	2	3			8	10	12	14	16	18	20
L	mm	368	470	546	4	6	991	1130	1257	1384	1537	1664
L(RTJ)	mm	372	473	549	711	841	1000	1146	1276	1407	1559	1686
H	mm	197	254	291	655	660	735	860	950	1065	1235	1275
H1	mm	119	145	180	213	278	384	440	442	483	576	615
L0	mm	600	1250	1300	760*	450*	450*	660*	600*	750*	750*	750*
Weight	mm	55	97	162	328	668	936	1408	1861	2392	3220	4491