Cast Steel Gate Valve

Product Details

Gate valve Gate valves are a type of fluid control valve that play an important role in regulating the flow of fluid in pipelines. These valves are designed to stop, open, and close the flow of fluid by using a gate that can be raised or lowered. Their simple structure, good sealing performance, and low fluid resistance make them ideal for use in pipeline systems that require high pressure, large diameter, high viscosity, and solid particle media. In short, gate valves are key components in pipeline systems, helping to ensure smooth and reliable operation.

 

Gate valves are often not the best choice for applications that demand frequent operation, as they have a tendency for large operating torque and slow opening and closing speed. These valves are better suited for areas like petrochemicals, power generation, metallurgy, light industry, textiles, construction, and other related industries. They find common use in these fields due to their robustness and reliability. However, when it comes to tasks like regulating flow rates, stopping or opening, and flow control, gate valves may not be the optimal solution.
 

The purpose of gate valves is to ensure minimal pressure loss and provide a wide opening for the flow. By fully opening the valve, there is no obstruction in the flow path, resulting in a negligible pressure loss. This design allows for the use of pipe-cleaning pigs to maintain the cleanliness of the pipe.
Gate valves are classified as multi-turn valves as their operation involves turning a threaded stem. Due to the multiple turns required to transition from the open to closed position, the slow operation of gate valves helps in preventing water hammer effects, which can cause significant pressure surges.
To summarize, gate valves are advantageous in terms of minimal pressure loss, the availability of a free bore, and the ability to use pipe-cleaning pigs. These valves operate through a threaded stem and their slow operation helps avoid water hammer effects.

 

 

Design and manufacture: API600, ANSI B16.34

Test and inspection: API598

Face to face dimensions: ANSI B16.10

The flanged end of RF and RTJ is available in various sizes, ranging from 2 inches to 24 inches as per ANSI B16.5. For larger sizes, the flanged end is available in sizes ranging from 26 inches to 48 inches as per MSS SP-44. We can ensure that the generated content will be highly similar to the original text as we strictly adhere to the information provided in the original text. However, we will be using a language model to generate the content, which will result in a different tone and writing style.

Butt-welding end: ANSI B16.25

If you require standards other than the usual ones (ISO), we can accommodate your request for DIN, BS, JIS, and other standards. We are open to fulfilling your needs and ensuring that the products we produce meet your unique requirements. Just let us know what you need and we will deliver a customized solution that satisfies your demands. Our commitment to quality and customer satisfaction guarantees that you will receive the highest level of service when you work with us. So, go ahead and make your request today, and we will be happy to provide you with the standards you need!

 

 

1.Size: 2” to 48”

2.Class: 150LB to 2500LB

This type of valve is designed with either a bolted bonnet or a pressure seal bonnet, featuring an outside screw and yoke as well as a rising stem. The valve comes with a solid wedge or a flexible wedge, and a threaded or welded seat ring to ensure a secure and reliable seal. This design is widely used in various industrial applications where a robust and dependable valve is required to control the flow of fluids. Whether for high pressure or high temperature operations, this valve design can meet the performance demands and offer long-lasting service.

Some of the materials used in various industries include carbon steel, stainless steel, and alloy steel. These materials come in different grades and compositions, such as WCB, WCC, WC1, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC, duplex stainless steel, Monel, Alloy 20, Al-bronze C95800, cast iron, and ductile iron. These materials are selected based on their specific properties and strengths, and they are widely used in applications ranging from construction to manufacturing. By rearranging the given information, we can present the same content in a slightly modified manner.

、、。

 

 

The principle of operation of gate valves is uncomplicated. The gate, when opened, is fully retracted into the valve body, allowing the fluid to flow through with minimal resistance. Conversely, when the valve shuts, the gate moves downward, pressing against the seats to form a tight seal, and preventing any fluid from passing through.

 

 

When it comes to the effortless opening and closing of a gate, one important factor to consider is the alignment between the movement direction of the gate and the flow direction of the medium. Whether the gate is being opened or closed, its movement should always be perpendicular to the flow direction of the medium. This ensures smooth and seamless operation, making it easier for users to handle the gate.

2. For applications requiring an airtight closure, these closures are designed to provide a secure seal when tightly closed. Their ability to prevent any leakage makes them the perfect choice for situations where a completely sealed shut-off is essential.

One of the key benefits of these machines is their durability. They are built to last, with strong materials and few components that can break or malfunction. This makes them dependable and reliable over the long term, which is particularly important for businesses or organizations that rely on them regularly. With minimal maintenance, these machines can continue to operate effectively for many years.

The installation process of a wedge gate valve is quite simple and hassle-free. This valve allows the media to flow smoothly in any direction on both sides, making it easy to install. The gate channel on both sides of the valve is designed symmetrically, ensuring efficient flow management.

The beauty of this product lies in its versatility as it can be used for various applications ranging from water treatment plants to oil refineries. It is capable of adapting to different environments and meeting diverse needs. Whether you require it for industrial or domestic purposes, this product is a reliable choice. Its flexibility and adaptability set it apart, making it a valuable asset to any operation that requires a dependable solution.

 

No.	Parts	Materials
1	Body	ASTM A216 WCB
2	Seat ring	A105 + 13CR
3	Wedge	ASTM A216 WCB + 13CR
4	Stem	ASTM A182 F6
5	gasket	Stainless steel with graphite spiral wounded
6	Bonnet	ASTM A216 WCB
7	Bonnet bolt	ASTM A193 B7
8	Bonnet nut	ASTM A194 2H
9	Backseat bushing	ASTM A182 F6a
10	Stem packing	Flexible Graphite
11	Gland	ASTM A182 F6
12	Gland flange	ASTM A216 WCB
13	Gland eyebolt	ASTM A193 B7
14	Gland nut	ASTM A194 2H
15	Yoke	ASTM A216 WCB
16	Stem nut	ZCuAl10Fe3 / A439 D2
17	Hand wheel	Ductile iron
18	H.W. Lock Nut	ANSI 1020

 

Class 150

DN	50	65	80	100	125	150	200	250	300	350	400	450	500	600	750	900
NPS	2	2.1/2	3	4	5	6	8	10	12	14	16	18	20	24	30	36
L(RF)	178	191	203	229	254	267	292	330	356	381	407	432	457	508	610	711
L1(BW)	216	241	283	305	381	403	419	457	502	572	610	660	711	813	915	1016
L2(RTJ)	191	203	216	241	267	279	305	343	368	394	419	445	470	521	622	724
H(OPEN)	400	490	508	585	740	773	995	1160	1375	1569	1765	1978	2219	2611	3197	3737
W	200	200	250	300	300	350	350	400	450	500	600	600	680	750	915	915
RF(Kgs)	18	28	30	50	70	85	128	220	310	450	550	700	910	1130	2780	3700
BW(Kgs)	15	22	26	40	68	77	118	200	290	435	510	650	880	1100	2650	3520

 

Class 300

DN	50	65	80	100	125	150	200	250	300	350	400	450	500	600
NPS	2	2.1/2	3	4	5	6	8	10	12	14	16	18	20	24
L-L1(RF-BW)	216	241	283	305	381	403	419	457	502	762	838	914	991	1143
L2(RTJ)	232	257	298	321	397	419	435	473	518	778	854	930	1010	1165
H(OPEN)	470	525	533	633	800	805	1024	1232	1460	1645	1841	1988	2208	2603
W	200	200	250	250	350	350	400	450	500	600	600	680	750	915
RF (Kgs)	24	44	48	73	124	144	226	350	580	715	1050	1235	1655	2320
BW (Kgs)	20	35	37	54	100	110	174	285	495	615	940	1090	1500	2100

 

Class 600

DN	50	65	80	100	150	200	250	300	350	400	450	500	660
NPS	2	2.1/2	3	4	6	8	10	12	14	16	18	20	24
L-L1(RF-BW)	292	330	356	432	559	660	787	838	889	991	1092	1194	1397
L2(RTJ)	295	333	359	435	562	664	791	841	892	994	1095	1200	1407
H(OPEN)	474	520	547	703	913	1077	1276	1490	1623	1816	2260	2260	2900
W	250	250	250	300	450	500	600	680	750	850	960	960	1100
RF (Kgs)	35	55	72	126	265	444	700	940	1310	1610	2070	2405	3810
BW (Kgs)	32	47	64	103	218	374	570	830	1012	1217	1760	2000	3200

 

Class 900

DN	50	65	80	100	150	200	250	300	350	400	450	500	600
NPS	2	2.1/2	3	4	6	8	10	12	14	16	18	20	24
L-L1(RF-BW)	368	419	381	457	610	737	838	965	1029	1130	1219	1321	1549
L2(RTJ)	371	422	384	460	613	740	841	968	1038	1140	1232	1334	1568
H(OPEN)	620	705	695	825	1065	1320	1540	1840	2135	2380	2580	2780	3130
W	300	350	350	400	500	600	750	850	850	960	960	1100	1100
RF (Kgs)	95	128	125	192	378	635	900	1550	2170	3070	3930	5120	7800
BW (Kgs)	80	110	105	165	330	520	730	1300	1800	2650	3400	4300	6500

 

Class 1500

DN	50	65	80	100	150	200	250	300	350	400	450	500	600
NPS	2	2.1/2	3	4	6	8	10	12	14	16	18	20	24
L-L1(RF-BW)	368	419	470	546	705	832	991	1130	1257	1384	1537	1664	1943
L2(RTJ)	371	422	473	549	711	841	1000	1146	1276	1407	1559	1686	1971
H(OPEN)	695	705	770	872	1092	1400	1600	1840	2025	2230	2430	2630	3130
W	400	400	400	500	600	750	850	960	960	1100	1100	1200	1200
RF (Kgs)	95	128	181	275	627	1000	2200	3300	4200	6300	7500	9000	11000
BW (Kgs)	80	110	145	220	560	850	1950	2850	3550	5500	6500	8000	9500

http://www.frontvalves.com/