Technical overview
Series Standard and Full Channel
47 Series ANSI Class 900 sizes ¼"- 2" (DN8 - DN50),
47 Series ANSI Class 400 sizes 21/2"-6" (DN65 - DN150)
48 Series - Sanitary Valve sizes 3/8" - 6 (DN10 - DN150) Series depended
Series 26 - Class 600 sizes 2"-8" (DN50-DN200)
Pressure range ANSI Class 300 to Class 900
Temperature range -60 °C to +260 °C (-76 °F to +500 °F)
Material Stainless steel A351 CF8M, carbon steel A216 WCB, bronze, alloy C22, alloy C276, duplex, super duplex, 254SMO, inconel 625, monel 400, titanium and more
Connection method Threaded, welded, flanged
Operation Lever or gear operation, pneumatic or electric
Applicable occasions Chemical, petrochemical, oil and gas, energy, pulp and paper, etc.
Compliance Standards
Factory Certification ISO 9001-2015 Quality Management System
Valve Design and Testing ANSI B16.34, API 608, API 6D / ISO 14313, ISO 17292 Valve Design
ANSI B1.20.1 NPT - National Pipe Taper Thread
EN 10226-1, ISO 7-1, JIS B0203 BSPT-British Standard Tapered Pipe Thread
DIN 3852 BSPP
ANSI B16.11, EN 12760 Socket Weld End Connections
ANSI B16.25, EN12627-4 Butt Weld End Connections (schedule 5, 10, 40, 80)
ANSI B16.5, EN 1092 Pt 1&2 Flange Dimensions
ANSI B16.10, EN 558 Face to Face Dimensions
NACE MR-0175, ISO 15156-1/2/3 Materials for use in H2S-containing environments in oil and gas production
EN 12266-1, API 598 Testing of Metallic Valves - Pressure Testing, Test Procedures and Acceptance Criteria.
API 607, ISO 10497 Valve Testing - Fire Type Testing Requirements
ISO 15848-1 Industrial valves - Measurement, testing and qualification procedures for fugitive emissions
API 641 Industrial Valves - Measurement, Testing and Qualification Procedures for Fugitive Emissions
Certification PED 2014/68/EU Module H Pressure Equipment Directive
ATEX 2014/34/EU Equipment and protective systems for use in potentially explosive atmospheres (optional for actuators only) ((optional for actuators only))
IEC 61508-2 SIL 2/3 Safety Integrity Level - Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems ((Optional for Execution Units only))
Document EN 10204 2.2 / 3.1 / 3.2 Metallic materials - Types of inspection documents
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.
download Google:
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.
Contact: Peng gong
Q Q: 2030185432
Mobile: 18918462396(WeChat same number - 24 hours service)
Landline: 021-59718851
E-mail :kunage@126.com