Class 600 Manual Sandwich Valve Flange Gate Valve

Product Description

Product descriptions from the supplier Overview Product Description GW brand Sandwich Valves are designed for use with Hot Tapping Machine and Plugging Machine during Hot Tapping and Line Stop Operation.
Technical Specification

Range of Sizes	4''-48''
Pressure Rating	ANSI # 150, 300,400,600
Operation Mode	Manual Operation (4''-30'')
	Hydraulic Operation (34''-48'')
Body Material	Q345R / Q345B
Flange Standard	ASME B31.4 B16.5 B16.47 and etc
Flange Face	RF, RTJ, Serrated
Installation Direction	Bi-Directional Installation
Coupling for	Lock-O-Ring Flange
Pressure Equalization	Built-in Pressure Equalized Valve

Class 150

Size		W-Width	L-Open	L-Closed	H-Face to Face	F-Overall	Operation
inch	mm	mm	mm	mm	mm	mm
14''	350	664	981	981	165	343	Manual
18''	450	635	1146	1146	197	384	Manual
20''	500	699	1349	1349	194	359	Manual
24''	600	813	1480	1480	264	492	Manual
30''	750	984	2911	2134	270	467	Manual

Class 300

Size		W-Width	L-Open	L-Closed	H-Face to Face	F-Overall	Operation
inch	mm	mm	mm	mm	mm	mm
4''	100	254	524	524	108	235	Manual
6''	150	318	635	635	140	260	Manual
8''	200	381	749	749	149	283	Manual
10''	250	445	873	873	178	330	Manual
12''	300	521	1006	1006	194	362	Manual
14''	350	584	978	978	197	406	Manual
18''	450	911	1207	1207	251	476	Manual
20''	500	775	1441	1441	270	486	Manual
22''	550	775	1334	1334	270	511	Manual
24''	600	914	2438	1838	324	578	Manual
30''	750	1092	3019	2232	418	718	Manual
36''	900	1270	524	2591	497	833	Hydraulic

Class 600

Size		W-Width	L-Open	L-Closed	H-Face to Face	F-Overall	Operation
inch	mm	mm	mm	mm	mm	mm
4''	100	273	543	543	127	273	Manual
6''	150	356	664	664	165	343	Manual
8''	200	419	797	797	181	378	Manual
10''	250	508	946	946	203	419	Manual
12''	300	559	1041	1041	252	470	Manual
16''	400	686	1235	1235	298	552	Manual
18''	450	743	1372	1372	338	610	Manual
20''	500	813	1464	1464	349	632	Manual
22''	550	870	1578	1578	349	651	Manual
24''	600	940	2594	1934	352	676	Manual
26''	650	1016	2667	1988	413	762	Manual
30''	750	1130	3035	2251	451	838	Manual
34''	850	1245	3413	2499	505	898	Manual
36''	900	1314	3575	2642	648	1060	Hydraulic
40''	1000	1450	3886	2896	575	1057	Hydraulic
42''	1050	1492	3937	2896	572	1054	Hydraulic
48''	1200	1626	4464	3226	573	1143	Hydraulic

FAQ Q1. What is the material of your Sandwich Valve ? A1. The material of our Sandwich Valve is Q345B or Q345R Carbon Steel as per standard GB/T1591-2008 . Q345B is the good material which is widely used for pressurized vessel in China . Q2. Why you can't make Sandwich Valve with the material ASTM A694 ? A2. ASTM A694 is the American standard steel which is not widely used in China and the annual usage is very small. But Q345B Steel is widely used in China for Sandwich Valve, Stopple Fitting and etc and annual usage is big. So it's impossible for us to purchase this American standard steel to make Sandwich Valve.
Q3:What about your warranty period ? Can I return goods to you if we are not satisfied ? A3:We provide three year warranty for the quality of our products .Sandwich Valve should be fixed on the pipeline as per our installation instruction .No responsibility will be taken for damage due to incorrect installation .Returns will be only accepted only if our product provde to be defective .

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