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Double Flanged Double Offset Butterfly Valve For Chemical / HVAC Industry

Categories Wafer Butterfly Valve
Brand Name: TongJiang
Model Number: Double Offset Butterfly Valve
Certification: ISO 9001
Place of Origin: CHINA
MOQ: 5 Piece
Price: USD 300-5000 per piece
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 10000 pieces per month
Delivery Time: 7-14 days
Packaging Details: Wooden cases
Butterfly Valve Material: Carbon Steel, Stainless Steel, Nickel Aluminum Bronze
Butterfly Valve Connection: Double Flanged
Butterfly Valve Flange: ASME Class 150, 300 and 600
Butterfly Va lve Temperature: -62°F to 500°F (-52°C to 260°C)
Butterfly Valve Actuator: Lever, Gear, Electric Actuator, Penematic
Butterfly Valve Face to Face: Double flanged short, acc. EN 558 / ISO 5752 Serie 13
Butterfly Valve Size: 2 " - 36" (50mm - 900mm)
Butterfly Valve Application: High Pressure, High Temperature, Critical Service
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  • Product Details
  • Company Profile

Double Flanged Double Offset Butterfly Valve For Chemical / HVAC Industry

Double Offset High Performance Butterfly Valve, Double Flanged Type


PRODUCT INTRODUCTION


Description


TongJiang High Performance Butterfly Valves are specially designed for applications in the chemical, hydrocarbon processing, pulp & paper, water & wastewater and HVAC industries worldwide. The valve was designed with an understanding that process industries need products that provide exceptional performance while reducing the total cost of ownership. Double Offset butterfly valves have been rigorously tested to meet industry performance requirements. A fully supported one-piece shaft and heavy-duty bearings ensure perfect alignment of seat and disc leading to long life and trouble-free performance. TongJiang offers a wide variety of seat options including PTFE seat, reinforced PTFE seat, flexible metal seat and a dual seat. Double Offset Butterfly Valves combine extreme service capabilities with features which have been time-tested for over 30 years.


Specification


High Performance Double Offset Butterfly Valve
Valve Type:High Performance or Equal.
Body:
  • Shall be one piece wafer, lug or double flanged design with extended neck to allow for 2” of piping insulation.
  • Flange hole drilling per international flange standard as specified.
  • Provided with top and bottom stem bearings consisting of a 316 stainless steel shell with a TFE/glass fabric liner bearing surface.
  • Equipped with an externally adjustable stem packing system that allows packing adjustment without removing the actuator.
  • Internal over-travel stop shall be provided to prevent over-travel of the disc and minimize possible seat damage.
Disc
  • Disc edge shall be hand polished for minimum torque and maximum sealing capability.
Stem:
  • Shall be one piece design
  • Stem shall be provided with blow-out proof stem retention system to assure full retention of the stem in the unlikely event of an internal stem failure.
  • Disc-to-stem connection shall be an internal connection design with no possible leak paths in the disc-to-stem connection. External disc-to-stem connections such as disc screws or pins are not allowed.
  • Stem shall be provided with blow-out proof stem retention system to assure full retention of the stem in the unlikely event of an internal stem failure.
Seat:
  • Design shall consist of a resilient energizer totally encapsulated by the seat.
  • Seat retainer shall be full-faced and firmly attached by bolts located outside the sealing area to protect them from corrosion.
  • The seat assembly shall be locked in the body recess by the full-faced retainer.
  • The seat shall be self-adjusting for wear and temperature changes.
  • The seat shall be easily field replaceable.
Testing:Valve shall be tested for tight shutoff per API 598 requirements.
Pressure Ratings:Valve shall be rated for bubble-tight shutoff at pressure rating shown below.

Butterfly Valve Drawing and Datasheet



DNNPSACDEG(*)H(*)J(*)J1(*)

ISO

5211

KMn
502"58108139197151418-F055074
652½"58112139197151418-F055074
803"71114146202151418-F055074
1004"96127170216191722-F077094
1255"120140182228191722-F077094
1506"150140196247191722-F077094
2008"197152240301222228-F10102114
25010"250165279334282736-F12125134
30012"301178311359282736-F12125134
35014"32719035842765-4542F14140174
40016"37921638445365-4542F14140174

Please feel free to contact with us at angela@tjfmcn.com or filling up an enquiry form instructed at the bottom.


You will get an effective response within 24 hours from TongJiang Team.


COMPANY PROFILE (Video)

floa

1. Our Factory


30 years experience of valve and pipeline industry.

10 senior technical engineers

20000 m2 production area

More than 100 employees to provide professional service.

As the reliable OEM for famous valve brand companies.

t ball valve


2. Factory Show


TongJiang Valve Technology Company was established for 30 years. There are more than 100 employees which includes 10 professional engineers.



OUR SERVICE ball valve


Reliable Quality, Competitive Price

Reply your inquiry in 2 hours with professional service.


CONTACT INFORMATION


Miss Angela

Mobile: +86 13588429004(Whatsapp)

Skype: angelazhuo1

E-mail: angela@tjfmcn.com

Tel No: +86 571 86991717

Official Website: www.zjtjvalve.com

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