Wafer Butterfly Valve Manufacturers | Wafer Style Butterfly Valve

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Ducitle Iron Wafer Butterfly Valve with Worm Gear

Composition of Wafer Butterfly Valve

Wafer Type Butterfly Valve

Single Flange Butterfly Valve

Wafer 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.

wafer butterfly valve pressure dimensions

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. 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 backrest 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

Valve Body of Butterfly Valve

Valve Disc of Butterfly Valve

Soft-backed Seat of Butterfly Valve

Why Choose Us

OEM Service

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 Butterfly Valves Certificate

We are proud of the quality of the wafer 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.

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 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.