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Pneumatic Wear-proof Rotating Disc Valve Inlet Valve Balance Valve

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Pneumatic Wear-proof Rotating Disc Valve Inlet Valve Balance Valve

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Brand Name:NBSANMINSE

Model Number:SMDF - DNA

Certification:ISO9001

Price:Negotiation

Payment Terms:L/C, T/T, Western Union

Supply Ability:Negotiation

Delivery Time:Negotiation

Company Data

Ningbo Sanmin Import And Export Co.,Ltd.

Verified Supplier

Contact Person Ina Chen

Business Type: Manufacturer Importer Exporter Trading Company

Officials: 浙江省宁波市奉化区萧王庙街道科程小微企业园1幢303

Quality: Quality Certifitation Available

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Product Details Company Profile

Product Details

SMDF - DNA Pneumatic Wear - Proof Potating Disc Valve ( Inlet Valve / Balance Valve )

Production information

. Rotating disc valve employs ceramic or hard metal friction pair structure , which makes it more abrasive and better tightness . It just needs a small starting load because the unique structure . Besides , ashes hardly accumulate in the valve body due to the same reason . All these features make the rotating disc valve durable .

Operating Principle

. The actuator moves the stem and lever arm a quarter turn which drives the disc . The entire sealing surface of the disc is constantly in contact with the seat or pad through force exerted by coiled springs . These springs allow the disc to move vertically . This compensates for thermal expansion and contraction of the valves components also overcoming the effect of any back pressure for which it was designed and between the sealing surfaces . Differences in tangential disc to seat friction forces cause the disc to rotate on its seat as the valve cycles , thereby shearing and wiping away any process material that may accumulate . All these features make the rotating disc valve durable . It will provide reliable support for your system .

Applications

. The rotating disc valve can be used in ash conveying system in thermal power plants. It also can be applied in mine , cement plant , lime work , metallurgic plant , chemical factory and other fields that need to convey caustic or abrasive ash .

Technical Parameters

. Maximum operating pressure: 1.0 MPA

. Maximum test pressure: 1.5 MPA

. Operating temperature: ≤ 200℃

. Leakage test pressure: 1.1 MPA

Installation

1. Prior to installation , please read this manual carefully , and check the pneumatic actuator’s condition .

2. Ensure the flange’s dimension , maximum operating pressure and inside nominal diameter meet the requirements .

3. Do not adjust the bolts and nuts . And make sure the center of two pipelines and valve center are coaxial . Flange surface should be smooth and keep horizontal without relatively large slope , for make sure the valve can fasten and work well . Besides , the bolts should be symmetrically fastened .

4. After installation , pump air into the two air intakes of the pneumatic actuator , and make sure the valve plate work properly .

5. If the control switch is installed , ensure its parameters can meet the external power source and it can work properly in fully open or fully close .

Troubleshooting Method

Troubles	Cause	Troubleshooting Method
Leakage	Foreign body	Remove foreign body
	Seal washer is invalid	Replace seal washer
	Valve core abrasion	Replace valve core
Valve cannot open or close	Rotatable parts become flexible or invalid	Adjust or replace the relative parts
	Insufficient pressure or leakage	Check and repair supply air line
	Pneumatic components become ageing or invalid	Replace the relative pneumatic components

Installation dimension and outline

DN	H	D	K	d	n-C
150*150	310	285	240	210	8-Φ22
200*200	310	340	295	265	8-Φ22
225*225	310	370	325	295	8-Φ22
250*250	330	395	350	320	12-Φ22
300*300	330	445	400	368	12-Φ22
200*350	310	520	470	265	8-Φ22

Main Components and materials

NO.	Item	Material	NO.	Item	Material
1	Upper valve body	Ductile cast iron	5	Under valve body	Ductile cast iron
2	Seal ring	Ceramic or alloy	6	Rotating shaft	45# Steel
3	Valve plate	Ceramic or alloy	7	Rotary arm	Ductile cast iron
4	Swing arm	Ductile cast iron	8	Pneumatic actuator	Aluminum

Company Profile

Ningbo Sanmin Import And Export Co.,Ltd.

NINGBO SANMIN IMPORT & EXPORT CO.,LTD. was established in 2014.Our company is mainly engaged in instrumentation, pneumatic and hydraulic industry accessories and services, has more than 10 series of core products.Focusing on the production of automatic machinery to provide a variety of options, products have a wide range of applications.

Sanmin is an industrial and trade enterprise, has a strict quality control system from material selection, inspection workshop, product testing, production, inspection, packaging design to shipment.At present, the company's trade scale is expanding day by day, the customers spreads over more than 20 countries.

We are strictly abides by Chinese laws and regulations, and has won the trust of customers at home and abroad with good reputation. Welcome to telephone and send E-mail to communication, sincerely cooperate, and seek common development.

Supply Original FESTO,SMC,CKD,NORGEN,MARSH,BELLOFRAM,BELGAS,MUELLER,SBFEC.

NINGBO SANMIN IMPORT AND EXPORT CO.,LTD.

INA CHEN

Whatsapp/wechat: +86 15168536055

Desk phone :+86 0574 88915660

Skype: fhtrust

INA@PNEUHYDR.COM

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