Stainless Steel Flanged Gate Valve

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Stainless Steel Flanged Gate Valve

Material:Carbon Steel (WCB, WCC for strength), Stainless Steel (SS304, SS316 for corrosion resistance), Cast Iron

Size Range:DN15-DN800

Connection Options:Flanged, Threaded (NPT, BSP), Butt Weld, Socket Weld

Working Pressure:1.6MPa ~ 20.0MPa

Working Temperature:-29°C to 425°C

Sealing Options:Metal-to-Metal, Resilient Seat, Graphite, PTFE

Manufacturing Method:Cast, Forged, Machined

Applicable Medium:Water, Oil, Gas, Steam, Chemical Fluids

Manufacturing Standard:API 600, API 602, ASME B16.34, BS 5163, DIN 3352

Product Overview

The Stainless Steel Flanged Gate Valve is a durable, corrosion-resistant valve designed for precise on-off control in high-pressure and high-temperature applications. Made from high-quality stainless steel, this valve is ideal for environments requiring high corrosion resistance. The flanged design ensures secure and leak-proof connections, making it suitable for industries such as chemical processing, water treatment, and oil & gas.

Product Features

Corrosion Resistant: Constructed from stainless steel, providing excellent resistance to corrosion and oxidation, even in harsh environments.

Secure Flanged Connection: Flanged ends offer a strong, reliable connection that is easy to install and maintain.

Low Flow Resistance: The gate valve design minimizes flow restriction when fully open, ensuring efficient fluid flow.

Leak-Proof Sealing: Available with reliable sealing options to prevent leakage under high-pressure conditions.

Versatile Applications: Suitable for a wide range of media, including aggressive chemicals, water, and steam.

Specification Parameters

Structural Length Standard:
According to ASME B16.10, DIN 3202, BS EN 558

Connection Forms Standards:
Flanged per ASME B16.5, Threaded (NPT, BSP) per ANSI/ASME B1.20.1, Butt Weld per ASME B16.25, Socket Weld per ASME B16.11

Available Sizes (Caliber):
2″, 3″, 4″, 6″, 8″, 10″, 12″, 14″, 16″, 18″, 20″, 24″, 30″, 36″, 42″, 48″

Pressure-Temperature Rating:
Class 150, 300, 600, 900, 1500 as per API 600 and ASME B16.34

Pressure Range:
Up to 2,500 psi depending on size and material

Temperature Range:
-29°C to 425°C depending on material and sealing options

Nominal pressurePN（MPa)	case	test pressure（MPa)		Sealed
Nominal pressurePN（MPa)	case	Sealed (liquid)	Seal (gas)	Sealed
1.6	2.4	1.8	0.6	1.8
2.5	3.8	2.8	0.6	2.8
4.0	6.0	4.4	0.6	4.4
6.4	9.6	7.0	0.6	7.0
10.0	15.0	11.0	0.6	11.0
16.0	24.0	18.0	0.6	18.0

Suitable medium and applicable temperature

Shell material	Suitable media	Applicable temperature (℃)
Chromium nickel titanium steel (P type)	Nitric acids	≤200
Chrome nickel molybdenum titanium steel (R type)	Acetic acid	≤200

The main part material

Body, bonnet	Valve plate, seat	Valve stem	Stem nut	filler	Handwheel
Chromium nickel titanium steel	Stainless steel, stainless steel + cemented carbide	Chrome nickel-titanium stainless steel	Aluminum bronze	Teflon	Malleable iron
Chromium nickel molybdenum titanium steel	Stainless steel, stainless steel + cemented carbide	Chrome nickel-titanium stainless steel	Aluminum bronze	Teflon	Malleable iron

The main shape and connection dimensions

Nominal diameter	The main dimensions and connection dimensions
Nominal diameter	L	D	D1	D2	b	Z-d	H	D0
Z41W-16P
15	130	95	65	45	14-2	4-Φ14	170	120
20	150	105	75	55	14-2	4-Φ14	190	140
25	160	115	85	65	14-2	4-Φ14	205	160
32	180	135	100	78	16-2	4-Φ18	270	180
40	200	145	110	85	16-3	4-Φ18	310	200
50	250	160	125	100	16-3	4-Φ18	358	240
65	265	180	145	120	18-3	4-Φ18	373	240
80	280	195	160	135	20-3	8-Φ18	435	280
100	300	215	180	155	20-3	8-Φ18	500	300
125	325	245	210	185	22-3	8-Φ18	614	320
150	350	280	240	210	24-3	8-Φ23	674	360
200	400	335	295	265	26-3	12-Φ23	811	400
250	450	405	355	320	30-3	12-Φ25	969	450
300	500	460	410	375	30-3	12-Φ25	1145	580
350	550	520	470	435	34-4	16-Φ25	1280	640
400	600	580	525	485	36-4	16-Φ30	1452	640
Z41W-25P
15	130	95	65	45	16-2	4-Φ14	170	120
20	150	105	75	55	16-2	4-Φ14	190	140
25	160	115	85	65	16-2	4-Φ14	205	160
32	180	135	100	78	18-2	4-Φ18	270	180
40	200	145	110	85	18-3	4-Φ18	310	200
50	250	160	125	100	20-3	4-Φ18	358	240
65	265	180	145	120	22-3	8-Φ18	373	240
80	280	195	160	135	22-3	8-Φ18	435	280
100	300	230	190	160	24-3	8-Φ23	500	300
125	325	270	220	188	28-3	8-Φ25	614	320
150	350	300	250	218	30-3	8-Φ25	674	360
200	400	360	310	278	34-3	12-Φ25	811	400
250	450	425	370	332	36-3	12-Φ30	969	450
300	500	485	430	390	40-4	16-Φ30	1145	580
350	550	550	490	448	44-4	16-Φ34	1280	640
400	600	610	550	505	48-4	16-Φ34	1452	640

Specification Applications

Industries

Chemical Processing: Used to control corrosive fluids in chemical production environments.
Water Treatment: Ideal for handling water and wastewater in high-pressure systems.
Oil & Gas: Suitable for offshore and onshore applications where corrosion resistance is essential.
Pharmaceutical: Ensures safe and contamination-free flow control in sanitary applications.
Food and Beverage: Meets hygienic requirements, making it suitable for food-grade processes.

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

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