Pneumatic Flat Gate Valve

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Pneumatic Flat Gate Valve

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

Size Range:2″ to 48″ (DN50-DN1200)

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

Working Pressure:Class 150 to Class 1500 (up to 2,500 psi / 172 bar)

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 Pneumatic Flat Gate Valve is a specialized valve designed for precise on/off control of fluids and gases in high-demand industrial applications. Equipped with a pneumatic actuator, this valve allows for automated operation, making it suitable for systems where remote or quick actuation is necessary. Its flat gate design minimizes flow resistance and pressure drop, providing efficient flow control even under high-pressure conditions.

Product Features

Automated Control: Pneumatic actuator enables fast and reliable valve operation, ideal for remote and automated systems.

Low Flow Resistance: Flat gate design provides smooth flow with minimal turbulence and pressure loss.

Durable Construction: Made from high-grade materials for strength and longevity in harsh environments.

Reliable Sealing: Available with multiple sealing options to ensure leak-tight performance.

Versatile Connection Options: Compatible with various connection standards for easy integration into different pipeline systems.

Minimal Maintenance: Designed for long service life with minimal maintenance, even under frequent cycling.

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

Part Name	Parts and materials
Part Name	JB/T77298		API 6D
Valve / bonnet	WCB	WCB	A352-LCB	A351-CF8N
gate	2Cr13+ENP	20CrMoV+STL	ANSI 410+ENP	ANSI 316+ENP
Valve stem	2Cr13	2Cr13	A182-F6a	A182-F316S
Seat	25+PTFE	20CrMoV+STL	A105+PTFE	A182-F316+PTFE
filler	NBR/FPM	Flexible graphite		Teflon
Gasket	18-8 / Flexible Graphite
bolt	35	35CrMo	A193-B7M	A193-B8
proper temperature	-29~250℃	-29~550℃	-46~250℃	-40~200℃
Suitable media	Water, oil	Steam, oil	Propane, ethylene	Nitric acids

The main shape and connection dimensions

Nominal diameter	The main dimensions and connection dimensions
Nominal diameter	L	D	D1	D2	Z-Φd	H	D0
Z43PF-16C
100	150	215	180	155	8-Φ18	700	300
125	150	245	210	185	8-Φ18	798	350
150	150	280	240	210	8-Φ23	895	350
200	180	335	295	265	12-Φ23	1130	350
250	180	405	355	320	12-Φ25	1290	400
300	200	460	410	375	12-Φ25	1480	450
350	200	520	470	435	16-Φ25	1660	450
400	218	580	525	485	16-Φ30	1850	500
450	218	640	585	545	20-30	2080	500
500	229	705	650	608	20-34	2300	600
600	248	840	770	718	20-41	2680	800
700	286	910	840	788	24-41	3080	800
800	286	1020	950	898	24-41	3491	1000
Z43PF-25
100	150	230	190	160	8-Φ23	700	300
125	150	270	220	188	8-Φ25	798	350
150	150	300	250	218	8-Φ25	895	350
200	180	360	310	278	12-Φ25	1130	350
250	180	425	370	332	12-Φ30	1290	400
300	200	485	430	390	16-Φ30	1480	450
350	200	550	490	448	16-Φ34	1660	450
400	218	610	550	505	16-Φ34	1850	500
450	218	660	600	555	20-Φ34	2080	500
500	229	730	660	610	20-Φ41	2300	600
600	248	840	770	718	20-Φ41	2680	800
700	286	955	875	815	24-Φ48	3080	800
800	286	1070	990	930	24-Φ48	3491	1000

Specification Applications

Industries

Oil and Gas: Suitable for use in pipelines handling crude oil, natural gas, and refined products.
Chemical Processing: Controls flow in corrosive or high-temperature media in chemical production.
Power Generation: Regulates steam, water, and other fluids in high-pressure power systems.
Water Treatment: Ideal for wastewater, desalination, and other large-scale water processing plants.
Mining and Industrial Processing: Handles abrasive slurries and chemicals in mining operations.

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

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