Lugged Butterfly Valve

Application

Stainless Steel CF3M / SS316L Wafer Butterfly Valve, Lever Operator

Wafer type butterfly valve features a CF3M (316L stainless steel) body and disc, ensuring exceptional corrosion resistance, durability, and dependable performance across a wide range of industrial processes.

Available seat options include:

PTFE – Excellent resistance to aggressive chemicals and high-purity media.
EPDM – Reliable sealing and economical performance for water, air, and general industrial services.

For severe operating environments such as seawater, desalination plants, and chloride-rich process media, Duplex Stainless Steel construction is available to provide enhanced corrosion protection and extended service life.

Combining robust stainless-steel construction with versatile seat materials, this valve delivers reliable shut-off performance for chemical, water treatment, marine, pharmaceutical, and process industry applications.

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Features

Specifications

Dimension

Features

Valve Body Process	Precision cast
Operation Cycles	Over 15,000 times
Leakage Level	Bubbles-tight sealing with no leakage
Low Torque	Operation easy and flexible
Bidirectional Sealing	Any installation position
Lower Cost	Simple and compact structure with high cost-effectiveness
Low Flow Resistance	Improve fluid efficiency and reduce energy consumption
Wide Application	Water treatment, petrochemicals, electricity, chemistry, etc
Certificates	ISO9001, CE, WRAS, ACS

Specifications

Design Standard	EN 593 API 609
Top Flange Standard	ISO 5211
End Flange Standard	EN1092 PN10/16, ANSI 125LB/150LB, JIS 10K
Face to Face Dimension	API 609, EN558-1 Series 20, BS5155, DIN3202 K1
Testing Standard	API 598, EN12266
Temperature	-20℃~120℃(depends on the sealing material)
Body Material	CCF3M
Disc Material	CF3M
Shaft Material	Stainless Steel, Aluminum Bronze, Inconel
Seat Material	EPDM, FKM, PTFE, RPTFE
Operator	Lever, Gearbox, Pneumatic, Electric Actuator

Dimension

stainless steel wafer butterfly valve drawing

Size	L	A	PN10		PN16		ANSI 150LB		10K		Top Flange
			Ф D1	n - Ф d	Ф D1	n - Ф d	Ф D1	n - Ф d	Ф D1	n - Ф d
40	32.6	113	110	4-18	110	4-18	98.4	4-16	105	4-19	F05
50	42	128	125	4-18	125	4-18	120.7	4-19	120	4-19	F05
65	45	135	145	4-18	145	4-18	139.7	4-19	140	4-19	F05
80	45	144	160	8-18	160	8-18	152.4	4-19	150	8-19	F05
100	50	163	180	8-18	180	8-18	190.5	8-19	175	8-19	F07
125	53.5	189	210	8-18	210	8-18	215.9	8-22	210	8-23	F07
150	56	203	240	8-22	240	8-22	241.3	8-22	240	8-23	F07
200	59	243	295	8-22	295	12-22	298.5	8-22	290	12-23	F10
250	65.5	268	350	12-22	355	12-26	362	12-26	355	12-25	F10
300	76.5	313	400	12-22	410	12-26	431.8	12-26	400	16-25	F10
350	76.5	339	460	16-22	470	16-26	476.3	12-29	445	16-25	F10
400	85.7	400	515	16-28	525	16-31	539.7	16-28.4	510	16-27	F14
450	104.6	422	565	20-28	585	20-31	577.8	16-31.8	565	20-27	F14
500	127	480	620	20-28	650	20-34	635	20-31.8	620	20-27	F14
600	151.4	562	725	20-31	770	20-37	749.3	20-35.1	730	24-33	F16

Why Choose CF3M / SS316L Wafer Butterfly Valve?

Corrosion Resistance

SS316L / CF3M offers excellent resistance to atmospheric corrosion, fresh water, and many organic chemicals. Ideal for food processing, water treatment, and marine environments.

Cost-Effective Flow Control

Wafer design reduces material costs and weight while maintaining high performance. Quick installation without additional gaskets or heavy flanges.

Easy Maintenance

Field-replaceable seat and disc simplify servicing. The two-piece shaft and removable disc allow for quick seal replacement without removing the valve body from line.

Wide Media Compatibility

Suitable for water, oil, air, weak acids, alcohol, steam (with PTFE seat), and food-grade fluids. Compliant with hygiene standards when using WRAS / ACS seats.

Typical Applications

💧 Water Treatment & Distribution

🏭 HVAC Systems

⚙️ Industrial Process Lines

🍺 Food & Beverage

🛢️ Oil & Gas (Low Pressure)

🌊 Marine & Desalination

🏗️ Pulp & Paper

🔧 Chemical Dosing

🚰 Irrigation Systems

🔥 Cooling Water Circuits

The Stainless Steel Wafer Butterfly Valve with CF3M body and disc offers a compact, lightweight design for reliable bi-directional flow control between PN10/PN16 or Class 150 flanges. Its premium cast stainless steel construction ensures excellent corrosion resistance, while the resilient seat (EPDM, PTFE, or NBR) provides bubble-tight shut-off across a wide temperature range.

This valve is widely used in water treatment and distribution, HVAC systems, food and beverage processing, marine and desalination plants, pulp and paper mills, chemical dosing units, irrigation networks, cooling water circuits, low-pressure oil and gas lines, pharmaceutical utilities, textile finishing, and industrial gas handling. With low torque operation, ISO 5211 direct actuator mounting, and easy maintenance, it delivers a cost‑effective and durable solution for modern fluid handling.

FAQ

Frequently Asked Questions

Everything you need to know about wafer butterfly valves, including construction, materials, applications and performance.

What is a wafer butterfly valve?

A wafer butterfly valve is installed between two pipe flanges and secured by flange bolts. Its compact and lightweight design makes it an economical solution for flow isolation and regulation in water, HVAC and industrial piping systems.

What materials are available?

Common body materials include ductile iron, cast iron, carbon steel, stainless steel and aluminium bronze. Seat materials include EPDM, NBR and PTFE to match different media and temperatures.

What are the advantages of wafer butterfly valves?

Wafer butterfly valves are compact, lightweight, easy to install and cost-effective. They provide reliable shut-off, low pressure loss and require very little maintenance.

Where are wafer butterfly valves commonly used?

They are widely used in drinking water, wastewater treatment, HVAC systems, cooling water, chemical processing, fire protection and many industrial piping applications.

Are wafer butterfly valves suitable for drinking water?

Yes. When manufactured with WRAS, ACS or NSF certified materials, wafer butterfly valves are widely used in potable water distribution systems around the world.