Lug type butterfly valve ITEM 385/386/387
Applications: Petrochemical, energy, metallurgy, water industry, municipal water supply and drainage, etc.
Installation size: according to ISO 5211:2003 standard
Certification: 97/23 EC “PED” certification; DVGW gas certification (V375-V376); RINA certification; for fluid and pipeline fluid media (V376); ATEX certification (94/9/EC certification)
The soft-seal centerline butterfly valve has a small flow resistance coefficient and low maintenance cost, and is the most commonly used valve for general process piping.
* Removable seal seat design, available in a variety of sealing materials
* Bracket structure; structural length according to EN 558-1 20 series standard, actuator connection in accordance with ISO5211 standard
* Acquired "PED" certification, DVGW gas certification, RINA certification, ATEX certification for special requirements, etc.
Executive standard
Flange standard: DN 40 to DN 300 PN 10 - PN 16 - ANSI 150
DN 350 to DN 600 PN 10
The length of the structure complies with the EN 558-1 20 series standard
The valve head conforms to the ISO 5211:2003 standard (DN 40-DN 300)
Leakage level according to EN 12266-1 Class A
Other tests are on request.
Operating temperature::
Ethylene propylene rubber EPDM -40 ° C to +135 ° C
NBR rubber NBR -23°C to +82°C
Fluororubber VITON -10°C to +190°C*
PTFE PTFE -25°C to +150°C*
Working pressure on the clamp flange::
DN 40 to DN 300 PN 16 bar
DN 350 to DN 600 PN 10 bar
* DN 40-DN 300
Optional
Operating temperature: Silica gel -50 ° C to +160 ° C
NBR CARBOX -10°C to +82°C
White nitrile rubber -23°C to +82°C*
HNBR -30°C to +100°C*
For other applications, please contact our technical department.
Ontology form
ITEM 385
ITEM 386
ITEM 387
Nominal dia
meter
1”-1/2~12” (DN40-DN300)
Nominal pressure
PN10-PN16
Operating temperature
-25°C to +250°C
Connection method
Lug flange
Body material
Ductile iron
Valve plate material
Ductile iron
ANSI 316
Aluminum bronze
Valve plate processing
Nickel-plated or epoxy-coated surface or polished or polished
Sealable optional
EPDM, NBR, NBR CARBOX
EPDM, NBR, FKM, PTFE, DVGW, WHITE NBR, NBR WATER
EPDM, NBR, NBR CARBOX
Seat leakage
In accordance with EN 12266-1 Class A
Executive agency
Standard DA series: double acting fork type pneumatic actuator
Standard SR Series: Single Action Type Fork Actuator
EA Series: Switching Electric Actuator
certificate
97/23 EC “PED” certification
DVGW Gas Certification (V385-386)
RINA certification
Suitable for drinking water and pipeline fluid media (V386)
ATEX certification (94/9/EC certification)
Professional manufacturing and professional services, KUNAG creates more value for you
Continuously improving the quality of services and keeping improving, "sincere service" is the eternal theme of KUNAG. Kunag strictly complies with the requirements of ISO9001-2000 quality system certification, strictly controls the quality and responsibilities to the people to ensure the healthy operation of production, sales and service. To strengthen communication with customers and to provide our customers with quality products and perfect service, we hereby make the following commitments:
Product Standards
Products are designed, manufactured, and inspected strictly in accordance with China\'s GB, HG standards, and US API standards. The hardness of the sealing surface meets the national requirements and the width exceeds the national standard.
pre-sale service
Product introduction, technical communication, non-standard product design, troubleshooting.
Sale service
Trustworthy contracts, guarantee timely delivery, and keep in touch with customers at any time.
For special or complex products, our factory arranges technicians to train and guide users on product use, troubleshooting, tuning and maintenance.
After sales service
The warranty period of Weitong products is 12 months from the factory, and the "three guarantees" service (return, replacement, repair) is implemented.
During the use of our products, our factory regularly organizes technical and inspection personnel to visit and solicit user feedback on product quality, use conditions, and improvement opinions in order to further improve product quality.
Quickly respond to customer complaints about product quality problems, and after-sales service personnel rushed to the scene within 24-36 hours (48 hours outside the province).
For after-sales service, users are required to fill in the quality feedback form after the service and make appraisal opinions, while improving Guardian\'s service quality.
Order process
Landline: 021-59718851 (AM-8: 30 to PM-17: 30)
Mobile phone: 18918462396 (WeChat same number 24-hour service)
QQ: 2030185432
Email: kunage@126.com
Receive customer purchase list, provide customers with valve model selection and quotation (price list).
Specific agreement: delivery time, special requirements, etc.
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Customers have special requirements for products, and must provide the following instructions in the order contract:
(1) Structure length;
(2) Connection form;
(3) Nominal diameter, full diameter, reduced diameter, pipe size;
(4) Operating medium, temperature and pressure range;
(5) Experiment, inspection standards and other requirements;
(6) Various driving devices can be configured in this field according to the special requirements of customers;
If the determined valve type and model are provided by the customer, the customer should correctly explain the meaning and requirements of its model, and sign the contract under the conditions that the supply and demand sides understand and agree.
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