Wafer Butterfly Valve Manufacturers | Wafer Style Butterfly Valve

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WCB WAFER butterfly valve

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WCB Body & Disc Double Stem Wafer Butterfly Valve

wcb-wafer-high-performance-Phosphate-butterfly-valve

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High Performance WCB Wafer Phosphate Butterfly Valve 150LB-300LB PN16-PN40

WCB_high_performance_wafer_butterfly_valve

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PN16/CL150 High Performance WCB Wafer Butterfly Valve

DN80-cf8-high-performance-butterfly-valve.

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Wafer High Performance HP Butterfly Valve with Support DN80 PN16

Eccentric Wafer Butterfly Valve

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API 609 Eccentric Wafer Butterfly Valve

electric-butterfly-valve-PTFE

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PTFE Seat Electric Wafer Butterfly Valve

double half shaft PTFE valve seat butterfly valve

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PTFE Seat Wafer Butterfly Valve with Worm Gear

wafer-butterfly-valve

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Ducitle Iron Wafer Butterfly Valve with Worm Gear

Composition of Wafer Butterfly Valve

composition of butterfly valve

Wafer Type Butterfly Valve

single_flange_butterfly_valve-structure

Single Flange Butterfly Valve

Wafer Type Butterfly Valve Material Options

VALVE STRUCTURE	ACTUATOR	BODY MATERIAL		DISC MATERIAL		SEAT MATERIAL		STEM MATERIAL
Concentric (Zero-offset)	Lever	Ductile Iron	GGG40	Ductile Iron	Nickle Coated	Rubber	EPDM	AISI304
Double Eccentric	Worm Gear	Casting Iron	GGG25		Nylon Coated		NBR	AISI316
Triple Eccentric	Electric	WCB	A216		FPA Coated		VITON	AISI420(2Cr13)
	Pneumatic	LCB/LCC	A352		PTFE Lined		Nature Rubber	AISI431
		Stainless Steel	CF8		EPDM Lined		Silicon Rubber	1.4462
			CF8M	WCB	A216		PU	17-4PH
			CF3	LCB/LCC	A352		HNBR	Monel
			CF3M	Stainless Steel	CF8		Hypalon
		Duplex SS	2205		CF8M	PTFE
		Duplex SS	2507		CF3	SS+Graphite
		Aluminum Bronze	95400		CF3M	SS+Stelite
			95500	Duplex SS	2205
			95800	Duplex SS	2507
				Aluminum Bronze	95400
					95500
					95800

When selecting materials for wafer butterfly valves, a comprehensive combination of materials should be made based on the media type, temperature and pressure rating, and cost budget.

For example,

*In conventional water treatment or HVAC systems, a ductile iron/WCB wafer butterfly valve body + EPDM seat + ductile iron disc can be used. This combination is suitable for general industrial pipelines without corrosive media.

* If the media is corrosive, a stainless steel wafer butterfly valve body + PTFE seat + stainless steel disc (or PTFE lined disc) is recommended. This combination is suitable for pipelines with media temperatures not exceeding 180 degrees Celsius.

* For automated control systems, electric wafer butterfly valves or pneumatic wafer butterfly valves can be configured.

* For precise regulation, a high-performance wafer butterfly valve can be considered to meet the application requirements of flow control wafer valves. Wafer HP butterfly valves typically consist of a WCB/stainless steel butterfly valve body and disc, + an RPTFE seat.

* For high-temperature and high-pressure applications, a wafer-type eccentric butterfly valve can be selected, as only metal seats can meet this requirement.

* The food and chemical industries, however, prioritize the cleanliness and sealing performance of the wafer-type butterfly valve body, seat, and disc materials.

As a professional wafer butterfly valve manufacturer and supplier, ZFA has been providing OEM customization services for wafer butterfly valves since 2006. Therefore, we can tailor a solution to your specific needs; please feel free to contact us.

Wafer Style Butterfly Valve Dimensions

1. Face to Face(FTF) Dimension (20 Series)

DN	40	50	65	80	100	125	150	200	250	300	350	400	450	500	-500	600	-600	700	750	800	900	1000	1200	1400	1600	1800	2000
FTF	33	43	46	46	52	56	56	60	68	78	78	102	114	127	154	154	165	165	190	190	203	216	254	279	318	356	406

2. Pressure

Pressure range:

ISO, DIN, EN, BS GB/T standard: PN6/PN10/PN16/PN25
ASME/ANSI standard: Class 125/150(150lb)
JIS: 5K/10K.

Note: 1bar≈14.5psi≈0.1MPa≈1kg/cm2.

DN≤300，the connecting holes of PN10 and PN16 are common.

PN（bar） EN1092-1	MPa	Class ASME b16.34
PN6	0.6	Class 75
PN10	1	≈ Class 125
PN16	1.6	Class 150
PN20	2	≈ Class 150
PN25	2.5	Class 150 / 300
PN40	4	Class 300
PN63	6.3	Class 400
PN100	10	Class 600
PN160	16	Class 900
PN250	25	Class 1500
PN420	42	Class 2500

Wafer Butterfly Valve Types

1. Connect

DN≤600, wafer type. It has no/two/four/eight ears on the upper and lower body.
600≤DN≤1200, single flange type. It has one flange in the middle of body.

The single flange butterfly valve has the same Structure length (FTF) with wafer type, and the same stability with double flanged butterfly valve.

2. Valve seat

--Soft Seal--

Hard-Back Seat:

The material is composed of a hard back wrapped with rubber on the outside. The installation method is to use a professional valve assembly platform to press the valve seat into the valve body through a machine. At the same time, the The valve seat is also classified into ordinary type and waterline type.

Soft-Back Seat:

The entire material is composed only of rubber, so it is highly elastic and is also called a backless valve seat. Its installation method is more convenient for workers to repair, replace and disassemble later.

Vulcanization:

The rubber lining in the rubber-lined butterfly valve uses high temperature to vulcanize the rubber and the valve body into one body. This valve seat has very high anti-corrosion properties and is generally used to control some corrosive fluids with strong acid and alkali. The disadvantage is that the valve is disposable and if the vulcanized valve seat is damaged, the entire butterfly valve needs to be replaced.

--Hard Seal--

Eccentric type, use body seal or other metal materials such as stainless steel, bronze, graphite etc.

Producing Process of Butterfly Valve Parts

body-machining

Valve Body of Butterfly Valve

butterfly valve disc machining

Valve Disc of Butterfly Valve

soft-backed seat butterfly valve

Soft-backed Seat of Butterfly Valve

Why Choose Us

OEM Service

We are butterfly valve manufacturer since 2006, and we have already provided OEM service for tens of famous customers worldwide. We can provide butterfly valves and valve parts such as the body, seat, disc, and hand lever.

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Technical Support

Installation issues: The more detailed the installation environment provided before the inquiry, the more accurate the product recommendations and installation suggestions can be. Troubleshooting: We have the skills and knowledge to analyze, diagnose, and solve problems encountered when using valves. Maintenance: Regular maintenance and repairs (such as cleaning, inspection, and lubrication of valve parts, etc.) performed by professionals can reduce operating costs. If problems need to be repaired, please contact us. We will provide professional maintenance manuals and remote guidance.

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Valve Warranty

Subject to the conditions and limitations in the warranty, the product is guaranteed to be free from manufacturing errors within 12 months from the date of initial installation or 18 months from shipment defects caused by it. You should report defects and faults to us within 30 days after the fault occurs. If there is no incorrect installation, irregular operation, use environment not as expected, etc., we will ship free replacement spare parts or the same quantity as the faulty product.

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Wafer Style Butterfly Valves Certificate

We are proud of the quality of the wafer type butterfly valves we produce. Superior product quality is our most outstanding advantage. ZFA Valve is committed to consistently providing you with high quality Butterfly Valve products.

Several authoritative third party organisations have issued product quality certificates for ZFA Valve.

CE EU mandatory safety certification

ISO9001 Quality system

ISO14001 environmental protection system

EAC Russia-Belarus Kazakhstan Customs Union certification

WRAS British water Industry certification

SGS Made in China

FAQs

Here are short answers to frequently asked questions about our products and services.

Are you a Wafer Butterfly Valve Factory or Trading?

We’re a factory with 17 years production experience, OEM for some customers around the world. You dears can design your own Logo, Packaging etc.

What are the applications for wafer style butterfly valves?

Wafer butterfly valves are used in various industries. For Example, water treatment, chemical processing, HVAC systems, and food and beverage production.

Can wafer butterfly valves be used for throttling applications?

It is not absolute. The wafer butterfly valve can only be used for temporary throttling. If it is used as a throttling valve for a long time, it will damage the butterfly disc and other parts.

What types of actuators can be used with wafer butterfly valves?

Wafer butterfly valves can be operated manually (with a lever or gear), electrically, pneumatically, or hydraulically. Each has its own advantages.

What is your After-sales service term?

18 months from shipment or 12 months from installation for all our products.

What is the payment you accept?

T/T best, L/C in sight, West Union, etc.

Can you produce the valve according to my own drawings?

Yes.

Do you accept custom design on size?

Yes.

What is your transportation method?

By sea, by air mainly, we also accept express delivery.

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ZFA VALVE

Founded in 2006, ZFA Valve is an industrial valve manufacturer in Tianjin, China. We mainly produce butterfly valves, gate valves, check valves, etc.

PRODUCTS

Butterfly Valve

Butterfly Valve Part

Check Valve

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CONTACT

+86 17602279258

[email protected]

No.1, Zhongkang Street, Jinnan EDZ, Jinnan District, Tianjin, China

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