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Forged Steel Flanged Globe Valve

Pressure Seal Bonnet Globe Valve

Pneumatic Actuated Emergency Shut-Off...

API 609 Triple Offset Flanged Butterf...

Stainless Steel Trunnion Mounted Ball...

BS 1868 Bolted Cover Swing Check Valve

DIN Standard Ni-Al Bronze Check Valve

Through Conduit Gate Valve

Introducing the Through Conduit Gate Valve by WELCO Valve Co., Ltd. This innovative valve design is ideal for applications that require minimal pressure drop and efficient flow control. The Through Conduit Gate Valve features a streamlined flow path, which allows for smooth passage of fluids without causing turbulence or pressure loss, Crafted from high-quality materials, the valve is durable and long-lasting, making it suitable for use in demanding industrial environments. The design also incorporates a bi-directional sealing feature, providing a reliable shut-off function in both flow directions, Engineered for ease of installation and maintenance, the Through Conduit Gate Valve is a versatile and reliable solution for various industries, including oil and gas, petrochemical, and water treatment. Trust WELCO Valve Co., Ltd. for high-performance valves that meet your specific requirements

product details

Product parameter

Detail introduction

Through conduit gate valves are designed , manufactured and tested in accordance with API 6D , ASME B16 .34 , and certified to 6FA six edition fire safe tested design . The through conduit gate valves have two optional structures valve “ Slab gate valve ” and “ Expanding gate valve ” , and the size range is from 2inch up to 48 inch , pressure rating is from 150LB up to 2500LB .

Design description

DESIGN FEATURE: Fire Safe tested Design Low Emission Certified Slab Gate / Double Block & Bleed / Cavity Pressure Relief / Emergency Sealant Injection

• FULL PORT DESIGN

• OS&Y OUTSIDE SRCEW AND YOKE

• BOLTED BONNET & PRESSURE SEAL BONNET

• FLAT PLATE,FULLY GUIDED

• CHOICE OF SOLID OR SPLIT WEDGE

• RENEWABLE SEAT RINGS, METAL SEATED OR SOFT SEATED

• FORGED T-HEAD STEM

• RISING STEM AND NON-RISING HANDWHEEL

• FLANGED OR BUTTWELDING ENDS

• AVAILABLE WITH BG OPERATOR, ELECTRIC, PNEUMATIC

Main parts and material list

No	Part Name	ASTM Material
No	Part Name	Carbon Steel	304 Type	316 Type	304L Type	316L Type
1	Body	A216-WCB	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
2	Disc	A240-304	A240-304	A240-316	A240-316L	A240-316L
3	Seat ring	A105	A182-F304	A182-F316	A182-F304L	A182-F316L
4	O-ring	NBR	FPM	FPM	FPM	FPM
5	Stem	A182 F6a	A182 F304	A182 F316	A182 F304L	A182 F316L
6	Bolt	A193-B7	A193-B8	A193-B8	A193-B8	A193-B8
7	Nut	A194-2H	A194-8	A194-8	A194-8	A194-8
8	Bonnet	A216-WCB	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
9	Lantern	A276-410	A276-304	A276-316	A276-304L	A276-316L
10	Yoke	A216-WCB	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
11	Stem nut	Bronze	Bronze	Bronze	BRONZE	BRONZE
12	Jam nut	Carbon steel	Stainless steel	Stainless steel	Stainless steel	Stainless steel
13	Hand-wheel	Malleable iron	Malleable iron	Malleable iron	Malleable iron	Malleable iron
14	Wheel nut	Carbon steel	A276 304	A276 304	A276 304	A276 304
15	Indicating cover	Carbon steel	A276 304	A276 304	A276 304	A276 304
16	Blow-down stops	A105+Zn	A276-304	A276-316	A276-304	A276-316L

Dimensions & weights for ANSI Class 150

NPS	in	2	3	4	6	8	10	12	14	16	18	20	24	30	36	40	42	48
DN	mm	50	80	100	150	200	250	300	350	400	450	500	600	750	900	1000	1050	1200
L(RF)	mm	178	203	229	267	292	330	356	381	406	432	457	508	650	800	914	965	1118
H	mm	145	184	216	292	387	461	559	641	678	797	856	1016	1280	1478	1699	1806	2049
H1	mm	484	591	645	820	1054	1266	1463	1545*	1788*	1936*	2146*	2548*	3077*	3581*	4612	4939	5443
W	mm	254	254	254	457	457	610	610	460*	460*	460*	460*	540*	610*	810*	810*	810*	810*
Weight	kg	38	51	57	102	166	234	307	424	622	836	1120	1417	2335	2940	3412	3865	5386

Dimensions & weights for ANSI Class 300

NPS	in	2	3	4	6	8	10	12	14	16	18	20	24	30	36	40	42	48
DN	mm	50	80	100	150	200	250	300	350	400	450	500	600	750	900	1000	1050	1200
L(RF)	mm	216	283	305	403	419	457	502	762	838	914	991	1143	1397	1727	1930	2007	2286
H	mm	144.8	182	219	298	384	464	559	604	699	775	874	1035	1270	1456	1603	1722	1964
H1	mm	484	591	645	816	1029	1246	1441	1545*	1725*	1943*	2114*	2529*	3110*	3705	3919	4259	4750
W	mm	254	254	254	457	457	610	610	460*	460*	540*	540*	610*	810*	810*	810*	810*	810*
Weight	kg	41	73	82	113	219	307	559	785	1026	1444	1735	2762	4618	5880	6824	7730	10772

Dimensions & weights for ANSI Class 600

NPS	in	2	3	4	6	8	10	12	14	16	18	20	24	30	36	40	42	48
DN	mm	50	80	100	150	200	250	300	350	400	450	500	600	750	900	1000	1050	1200
L(RF)	mm	292	356	432	559	660	787	838	889	991	1092	1194	1397	1651	2083	2388	2438	2794
L1(RTJ)	mm	295	359	435	562	664	791	841	892	994	1095	1200	1407	1664	2099	/	/	/
H	mm	140	185	257	324	435	540	597	679	749	842	934	1130	1372	1613	1710	1830	2051
H1	mm	493	604	720	928	1180	1909	1596*	1728*	1904*	2035*	2393*	2824*	3344*	4591*	4999	5340	5896
W	mm	305	305	305	457	610	610	540*	610*	610*	610*	610*	810*	810*	810*	810*	810*	810*
Weight	kg	49	86	151	244	440	787	1131	1571	1930	2653	3273	5482	6848	12254	15200	18600	20600

Dimensions & weights for ANSI Class 900

NPS	in	2	3	4	6	8	10	12	14	16	18	20	24
DN	mm	50	80	100	150	200	250	300	350	400	450	500	600
L(RF)	mm	368	381	457	610	737	838	965	1029	1130	1219	1321	1549
L1(RTJ)	mm	371	384	460	613	740	841	968	1038	1140	1232	1334	1568
H	mm	129	179	260	334	438	553	619	708	762	854	963	1156
H1	mm	451	604	747	929	1176	1401*	1596*	1713*	1904*	2152*	2467*	2837*
W	mm	305	457	457	457	610	540*	540*	610*	610*	810*	810*	810*
Weight	kg	84	100	181	295	544	1029	1528	1891	2508	3309	5224	8016

Dimensions & weights for ANSI Class 1500

NPS	in	2	3	4	6	8	10	12	14	16	18	20	24
DN	mm	50	80	100	150	200	250	300	350	400	450	500	600
L(RF)	mm	368	470	546	705	832	991	1130	1257	1384	1537	1664	1943
L1(RTJ)	mm	371	473	549	711	841	1000	1146	1276	1407	1559	1686	1972
H	mm	129	186	230	327	464	552	624	714	814	927	988	1203
H1	mm	451	606	724	800	1127	1352	1466	1739	1979	2379	2959	3569
W	mm	305	305	457	610	610	610	810*	810*	810*	810*	810*	810*
Weight	kg	56	112	162	453	1104	1815	2667	3717	4746	6075	8586	13932

Forged Steel Flanged Globe Valve

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Pressure Seal Bonnet Globe Valve

Pneumatic Actuated Emergency Shut-Off...

API 609 Triple Offset Flanged Butterf...

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DIN Standard Globe Valve

BS 1868 Bolted Cover Swing Check Valve

DIN Standard Ni-Al Bronze Check Valve

PSB Full Bore Check Valve

Through Conduit Gate Valve

Detail introduction

Design description

Main parts and material list

Dimensions & weights for ANSI Class 150

Dimensions & weights for ANSI Class 300

Dimensions & weights for ANSI Class 600

Dimensions & weights for ANSI Class 900

Dimensions & weights for ANSI Class 1500

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