Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

Z41W-150LB API Standard Gate Valve (150LB Pressure Class)
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Phone：+86（577）6730 7899
Mobile：+86 1815 7711 652
Fax：+86（577）67387099
Email：merry@kaiweixi.com
Address：No. 1, Linxia Road, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province,china
Website：https://www.kaiweixi.com

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Z41W-150LB API Standard Gate Valve (150LB Pressure Class)

Model：Z41W-150LB CF8/Z41W-150LB CF8M/Z41W-150LB CF3/Z41W-150LB CF3M
Specification：DN15-DN600
Temperature：-40～500℃
Medium： water, oil, steam, gas, and corrosive media.

Pressure：150LB-600LB
Connection method：Flange
Driving method：Manual, bevel gear transmission, and electric
Material：cast steel, stainless steel

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Z41W-150LB API Standard Gate Valve (150LB Pressure Class)Overview

Overview

The Z41W-150LB API Standard Gate Valve (150LB Pressure Class) is a rising stem gate valve designed and manufactured according to American standards (such as API and ANSI). It controls fluid flow by vertically lifting or lowering the gate plate. During operation, the valve stem moves in tandem with the gate plate, providing clear position indication. The valve's core feature lies in its “W” designation, indicating a sealing surface machined directly from the valve body material. This typically forms a metal-to-metal hard seal pairing with the metal gate. Rated at 150LB pressure, it meets corresponding American standard pressure-temperature ratings and is suitable for various demanding industrial applications. Widely adopted in petroleum, chemical, power generation, natural gas, and shipbuilding industries adhering to American standards or requiring international compatibility, this valve reliably serves as shut-off equipment in pipelines transporting water, steam, petroleum products, natural gas, and non-aggressive media. It plays a critical role in applications demanding strict isolation and complex operating conditions.

Z41W-150LB API Standard Gate Valve (150LB Pressure Class)

Z41W-150LB API Standard Gate Valve (150LB Pressure Class)Characteristic

Features:

1. American Standard Pressure Rating: The valve is designed to American standards with a pressure rating of 150 lbs (150LB). Its dimensions, structural length, and performance testing comply with relevant American standards, ensuring international compatibility.

2. Metal Hard Sealing: The valve body sealing surface is machined directly from the body material or overlaid with other alloys, forming a hard sealing pair with the metal gate. This design offers wear resistance, high-temperature tolerance, and suitability for various harsh media.

3. Rising Stem Structure: The valve stem's up/down position is clearly visible, allowing operators to accurately determine the valve's open status. This facilitates system process control and safe production.

4. Low Flow Resistance, Unobstructed Flow: Features full-bore or reduced-bore design (typically reduced-bore), with a streamlined passage minimizing fluid resistance. Particularly suitable for petroleum and chemical pipelines with specific pressure drop requirements.

5. Versatility and Durability: Constructed with robust materials like carbon steel or stainless steel, ensuring stable and reliable performance. Widely applicable for diverse media including water, steam, petroleum products, and natural gas.

Z41W-150LB API Standard Gate Valve (150LB Pressure Class)structure principle

Z41W-150LB API Standard Gate Valve (150LB Pressure Class) Structural Drawing

Part Name Material:

零件名称Part Name	CF8	CF3	CF8M	CF3M
阀体/阀盖Valve Body/Valve Cover	CF8	CF3	CF8M	CF3M
闸板Gate Plate	CF8	CF3	CF8M	CF3M
阀杆Valve Stem	F304	F304L	F316	F316L
填料Packing	PTFE编织PTFE Braided	PTFE编织PTFE Braided	PTFE编织PTFE Braided	PTFE编织PTFE Braided
垫片Gasket	PTFE+304	PTFE+304L	PTFE+316	PTFE+316L
压盖Gland	CF8	CF3	CF8M	CF3M
填料压环Packing Gland	304	304L	316	316L
螺栓Bolt	A193-B8	A193-B8	A193-B8M	A193-B8M
螺母Nut	A194-8M	A194-8M	A194-8M	A194-8M

Z41W-150LB API Standard Gate Valve (150LB Pressure Class)technology parameter

Performance Specifications Table

型号Model	公称压力(MPa)Nominal Pressure (MPa)	实验压力 Experimental pressure				工作温度(℃)Operating Temperature		适用介质Applicable Media
型号Model	公称压力(MPa)Nominal Pressure (MPa)	强度水（MPa）Strength Water (MPa)	密封（水）空气（MPa）Seal (Water) Air (MPa)	低压密封空气（MPa） Low Pressure Seal Air (MPa)
Z41H-16C Z41W-16P(R)	1.6	2.4	1.8	0.6	≤425		硝酸类Nitric acid compounds
Z41W-25P(R)	2.5	3.8	2.8	0.6	≤200		醋酸类Nitric acid compounds
Z41W-40P(R)	4.0	6.0	4.4	0.6	≤200		硝酸类Nitric acid compounds
Z41W-64P(R)	6.4	9.6	7.0	0.6	≤200		醋酸类Nitric acid compounds

Z41W-150LB API Standard Gate Valve (150LB Pressure Class)standard size

Dimensioning Standards

1. Structural length of valves shall comply with GB 13927.

2. Connecting flanges shall comply with GB/T 17241.6.

Z41W-150LB API Standard Gate Valve (150LB Pressure Class)

外形尺寸表 Dimension Chart

CL150

现格(NP3)Current Patternt (NP3)	In	2	212	3	4	5	6	8	10	12	14	16	18	20	24	28	30	32	36	40	42	48	60
结构长度Structural Length	L	178	190	203	229	254	267	222	330	358	381	408	432	457	508	610	610	680	711	762	787	914	1097
	L1	191	203	216	241	267	279	305	343	368	384	419	446	470	621	-	-	-	-	-	-	-	-
	L	216	241	283	205	381	402	419	457	602	572	610	860	711	813	914	914	965	1060	1067	1116	-
中心高度Center Height	H	341	371	402	472	630	S87	743	904	1047	1172	1287	433	1690	1898/	2050	2330	2S33	2800	一	-		-
手轮直径Handwheel diameter	W	200	200	250	280	300	300	350	400	450	500	600	880	750	800			一	-			二
重量weight		20	30	33	49	60	75	120	205	290	400	511	850	789	1200	1800	2580	3060	3500	-	-	-	-

CL300

现格(NPS) nCurrent Pattern	in	2	212	3	4	5	6	8	10	12	14	18	18	20	24	28	30	32	36
结构长度Structural Length	L	216	241	283	305	381	403	419	457	502	762	838	914	991	1143	1346	1397	1524	1727
	L1	232	267	298	321	397	419	435	473	518	778	854	930	1010	1165	1371	1422	1652	1765
	L	216	241	283	305	381	403	419	4S7	502	762	838	914	991	1143	1346	1397	1624	1727
中心高度 Center Height	H	345	376	407	478	635	618	765	929	1094	1188	1320	1455	1860	2030	-	-	-
手轮直径Handwheel diameter	W	200	200	250	300	300	350	400	450	500	550	680	750	820		-	-	一
重量weight		24	38	47	69	89	123	196	333	440	710	950	1405	1720	2770	3312	4100	6200	6700

CL600

现格NPS)Current Patternt (NP3)	in	2	2/2	3	4	6	6	B	10	12	14	16	18	20	24	26	30	32	38
结构长度Structural Length	L	292	330	356	432	508	659	680	787	638	889	991	1092	1184	1397	1549	1651	1778	2083
	L1	285	333	359	435	511	662	664	791	841	892	894	1095	1200	1407	1562	1684	1794	2006
	L	292	230	356	432	508	659	680	787	838	889	891	1092	1194	1397	1649	1651	1778	2083
中心高度Center Height	H	377	443	46S	S26	610	672	820	983	1120	1283	1429	1572	1757	1985	2230	2475	2300	2050
手轮直径Handwheel diameter	W	200	250	280	300	400	450	500	680	760	700	-	-	-		-	-	-	-
重量weight		39	52	88	114	-	285	413	650	800	1140	1700	2268	2850	3500	-	-	-	-

Articles related to technology research and development

soft-sealed gate valve patented

The utility model discloses a novel soft-seal gate valve, which includes a valve body, a valve cover, a valve rod, a valve chamber, and a rubber-coated gate plate. The valve rod penetrates through the valve cover and is connected to the rubber-coated gate plate. The valve chamber includes a medium channel for medium circulation and a connecting chamber that is connected to the medium channel and corresponds to the valve cover. The rubber-coated gate plate is adapted to the connecting chamber and used to cut off or connect the medium channel. The medium channel includes an inlet end and an outlet end. Guide rails are arranged on the inner wall of the connecting chamber on both sides opposite to the rubber-coated gate plate. Both sides of the rubber-coated gate plate are provided with metal sliders, and the metal sliders are provided with sliding grooves that are adapted to the guide rails. Compared to existing soft-seal gate valves, the utility model has good sealing performance, convenient disassembly and assembly, and a long service life for the rubber-coated gate plate.
1. A novel soft-seal gate valve comprises a valve body, a valve cover, a valve rod, a valve chamber, and a rubber-coated gate plate. The valve rod penetrates through the valve cover and is connected to the rubber-coated gate plate. The valve chamber includes a medium passage for medium circulation and a connecting chamber connected to the medium passage and corresponding to the valve cover. The rubber-coated gate plate is fitted to the connecting chamber and used to cut off or connect the medium passage. The medium passage includes an inlet end and an outlet end. The utility model is characterized in that guide rails are arranged on both sides of the rubber-coated gate plate on the inner wall of the connecting chamber, metal sliding blocks are arranged on both side walls of the rubber-coated gate plate, sliding grooves adapted to the guide rails are opened on the metal sliding blocks, a sealing groove is opened on the top of the valve cover in the axial direction relative to the valve rod, a clamping block is arranged at the opening of the sealing groove, at least three clamping blocks are arranged circumferentially at intervals relative to the central axis of the sealing groove, a sealing seat fitted to and sleeved on the valve rod is arranged inside the sealing groove, a fixed block corresponding to the rotational fit of the clamping block is arranged on the outer circumferential wall at the bottom of the sealing seat, a pressing block abutting against the top surface of the valve cover is arranged on the top of the sealing seat, and a rubber sleeve is sleeved on the top of the valve cover.
2. A novel soft-seal gate valve according to claim 1, characterized in that a limit opening is provided at the position on the pressure block corresponding to the gap between two adjacent clamping blocks, a limit groove is provided on the end face of the pressure block, a thrust stopper is provided on the sealing seat, and the thrust stopper comprises a fixed disc adapted to the limit groove and a thrust block provided on the outer circumferential wall of the fixed disc and adapted to the limit opening.
3. A novel soft seal gate valve according to claim 2, characterized in that a limiting block is arranged on the outer circumferential wall of the sealing seat at a position between two adjacent fixing blocks, and a clamping groove adapted to the limiting block is provided on the thrust block.
4. A novel soft seal gate valve according to claim 1, characterized in that a stepped groove is provided in the valve body at the inlet end, and a filter screen is arranged inside the stepped groove.
5. A novel soft-seal gate valve according to claim 4, characterized in that the side of the filter screen facing the inlet end is provided with a flow dividing device, which comprises a fixing ring that fits with interference with the inner wall of the stepped groove, a connecting column located on the central axis of the fixing ring, and a flow dividing plate connected to the fixing ring and the connecting column. The side of the stepped groove located on the inlet end facing the fixing ring is provided with an inner groove, and an elastic snap ring is arranged in the inner groove.
6. A novel soft seal gate valve according to claim 5, characterized in that the side wall of the diverter plate facing the inlet end has a triangular cross-section.
7. A novel soft seal gate valve according to claim 5, characterized in that one end of the connecting column facing the inlet end is hemispherical

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Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

Z41W-150LB API Standard Gate Valve (150LB Pressure Class)

More API, JIS, DIN, GOST Gate Valve>>

More Gate valve>>

More valve>>

Z41W-150LB API Standard Gate Valve (150LB Pressure Class)