Pneumatic Eccentric Wafer Butterfly Valve

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Pneumatic Eccentric Wafer Butterfly Valve

Carbon Steel (WCB, WCC for strength), Stainless Steel (SS304, SS316 for corrosion resistance)

Size Range:DN50-DN1000

Connection Options:Flanged

Working Pressure:Up to 300 psi (20.7 bar)

Working Temperature:up to 300°C

Sealing Options:EPDM, PTFE, Metal-to-Metal, NBR, FKM

Manufacturing Method:Cast, Forged, Machined

Applicable Medium:Water, Oil, Steam

Product Overview

The Pneumatic Flanged Butterfly Valve is an automated valve designed to regulate flow with ease and accuracy. Its pneumatic actuator allows swift, remote operation, ideal for integration into automated systems. The flanged design ensures a stable and secure fit, making this valve suitable for a wide range of fluids and gases in various industrial environments.

Product Features

Rapid Operation: Pneumatic actuation enables quick and smooth valve adjustments.
Robust Construction: Made from durable materials like carbon steel or stainless steel for long-lasting performance.
Flexible Sealing Options: Offers both metal and soft sealing options to accommodate different types of media and temperature ranges.
Simple Installation: Flanged ends provide straightforward installation and solid connections.
Space-Efficient Design: Compact size that fits easily into confined spaces.

Specification Parameters

Structural Length Standard:
According to API 609, ASME B16.47, ISO 5752, BS EN 558

Connection Forms Standards:
Wafer and lug types per ASME B16.5, flanged per ANSI/ASME B16.42, double flanged, and grooved

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 as per API 609 and ASME B16.47

Pressure Range:
Up to 300 psi depending on size and material

Temperature Range:
-29°C to 200°C depending on material and sealing options

model		D373H-10C ~ 40	D373H-10P ~ 40
		D373Y-1 0C ~ 40	D373Y-10P ~ 40
Working pressure (MPa)		1.0 ~ 4.0
Applicable temperature (℃)		≤300
Applicable medium		Water, oil, steam, etc.
material	Valve body, butterfly plate	Cast steel	Austenitic stainless steel
	Stem	40Cr	Austenitic stainless steel
	Sealing surface matching material	Stainless steel / stainless steel	Stainless steel / Stellite
	filler	Flexible graphite	Polytetrafluoroethylene

【Main appearance and connection size】

Nominal diameter DN	Main dimensions			Flange size
	Main dimensions			1.0MPa		1.6MPa		2.5MPa
	L	H1	H	D1	n-Φd	D1	n-Φd	D1	n-Φd
50	43	255	340	125	4-18	125	4-18	125	4-18
65	46	280	370	145	4-18	145	4-18	145	4-18
80	49	285	385	160	4-18	160	4-18	160	4-18
100	56	310	430	180	4-18	180	4-18	190	4-22
125	64	310	440	210	4-18	210	4-18	220	4-26
150	70	315	475	240	4-23	240	4-22	250	4-26
200	71	380	590	295	4-23	295	4-22	310	4-26
250	76	460	710	350	4-23	355	4-26	370	4-30
300	83	475	725	400	4-23	410	4-26	430	4-30
350	92	510	830	460	4-23	470	4-26	490	4-33
400	102	550	900	515	4-25	525	4-30	550	4-36
450	114	590	970	565	4-25	585	4-30	600	4-36
500	127	610	1030	620	4-25	650	4-33	660	4-36
600	154	660	1150	725	4-30	770	4-36	770	4-39
700	165	730	1220	840	4-30	840	4-36	875	4-42
800	190	810	1300	950	4-34	950	4-39	990	4-48
900	203	930	1480	1050	4-34	1050	4-39	1090	4-48
1000	216	1020	1600	1160	4-34	1170	4-42	1210	4-56

Specification Applications

Industries

Water Systems: Controls the flow in municipal and industrial water treatment and distribution.
Chemical Processing: Ideal for managing the flow of aggressive or corrosive substances in chemical plants.
Building Ventilation: Used in HVAC systems to regulate airflow and maintain environmental control.
Energy Sector: Controls steam and cooling water flow in power generation facilities.
Food and Beverage: Suitable for hygienic flow control in food and beverage processing pipelines.

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

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