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Home ProductsEccentric Butterfly Valve

CS SS Dual Eccentric Butterfly Valve / Double Offset Butterfly Valve

Good quality Trunnion Ball Valve for sales
Good quality Trunnion Ball Valve for sales
Really good performance valves with completitive cost, I hope both parties will work for longer.

—— Rashid Lodhi

Good after sale service, I really appreciated that the each step maintenance instruction is very detailed and good for my end user even they do not know valves at all.


Wesley from Kelite Group was very perfessional on handling our FAT, 3.2 certification, 3rd party inspection and accompany my clients to aduit each supplier, also a good driver for lasts more than 12 hours driving to pick up my clients, impressive!

—— Ajay Seth

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CS SS Dual Eccentric Butterfly Valve / Double Offset Butterfly Valve

China CS SS Dual Eccentric Butterfly Valve / Double Offset Butterfly Valve supplier

Large Image :  CS SS Dual Eccentric Butterfly Valve / Double Offset Butterfly Valve

Product Details:

Place of Origin: China
Brand Name: Kelite Valve
Certification: API, ISO, CE, GOST, TS, BS1873, BS5351, API 6D,600,602,609, ASME B16.34, API 6FA, API607 etc
Model Number: 2"-48", CL150-300

Payment & Shipping Terms:

Minimum Order Quantity: 1PCS
Packaging Details: Plywood packing or fumigation packing
Delivery Time: 30-60days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 3000-5000PCS per month
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Detailed Product Description
Size:: NPS 2"~48" Pressure Rating:: Class 150~300
Material:: WCB, WCA, WCC,WC6, WC9, C5,C12, LCB, LCC, CF8, CF8M, CF3, CF3M, CN7M, CF8C,etc Design & Manufacturing Standard:: API 609, ASME B16.34, BSEN 593
Face To Face:: API 609, BSEN 558 Flanged Dimenson:: ASME B16.5 ,ASME B16.47, BSEN 558
Test And Inspection:: API 598, BSEN 12266 Operation Method:: Manual ,Worm Gear, Electric Actuator,Pneumatic Actuator
High Light:

metal seated butterfly valve


wafer type butterfly valve

API 609 double eccentric butterfly valve, casting with cs and ss material

Size:NPS 2"~48"
Pressure Rating:Class 150~300
Material:WCB, WCA, WCC,WC6, WC9, C5,C12, LCB, LCC, CF8, CF8M, CF3, CF3M, CN7M, CF8C
Design & Manufacturing Standard:API 609, ASME B16.34, BSEN 593
Face to Face:API 609, BSEN 558
Flanged Dimenson:ASME B16.5 ,ASME B16.47, BSEN 558
Test and Inspection:API 598, BSEN 12266
Structure Type:Centerline, Double eccentric
Operation Method:Manual ,Worm Gear, Electric Actuator,Pneumatic Actuator

Applicable Standards:

Standard Features:

  • Sizes 2" to 48” are standard.
  • 150, 300 & 600 ASME Class ratings are standard.
  • Wafer, Lug, Flanged and Butt-Weld construction are available.
  • Flanged ends available from 4” and Butt-Weld ends available from 6”.
  • Pressure testing according to API 598.
  • Three types of seat designs are available, Non Fire Safe Seat, Fire Safe Seat and Metal Seat.
  • Soft seat valve designs are bidirectional.
  • Metal seat and Fire Safe seat designs are fire safe certified.
  • The valves have a center disc mounted to the vertical stem with disc pins.
  • When the stem rotates, the disc rotates around the vertical stem axis and closes or opens the valve.
  • The disc is mounted with double eccentric from the stem and valve axis.
  • This arrangement increase the life of the seat.
  • The stem is a blowout proof design which prevents the stem from blowing out in case of stem breakage.
  • The seat has a spherical seating surface , which reduces the torque required
  • The seat is retained by the seat retainer, which prevents the seat from blowing out during operation.
  • The seat can be changed between soft seat, metal seat and fire safe seat with same seat retainer bolted to body.
  • Gear operator can be mounted on the valve with a mounting bracket.
  • Tight shutoff leakage class VI possible with Soft seated(Non Fire Safe) and Fire Safe soft seated valve designs.
  • Leakage class V is applicable to metal seated valve designs.

Design characteristics :

  • Compact structure, easy installation and disassembly, repair friendly and light weight.
  • It has a certain adjustment capability, and can be used as a control valve.
  • With the triple-eccentric structural design, the sealing face is separated as soon as opening, so the mechanical wearing and friction between two sealing faces is eliminated during the opening and closing of butterfly plate, the operation torque is lowered, and the service life is longer.
  • Good sealing performance of zero leakage.
  • Wide range of application - triple-eccentric metallic sealing butterfly valves have a wide range of temperature, pressure and diameter.

Technical parameters:

Product descriptionDouble-eccentric butterfly valve
ModelDouble-eccentric butterfly valve
Nominal diameterNPS 2”~48”
Operating temperature-196℃~593℃
Nominal pressureCLASS 150~300
MaterialMain material: A216 WCB,WCC; A217 WC6,WC9,C5,C12,C12A,CA15; A351 CF8,CF8M,CF3,CF3M,CF8C,CN3MN,CK3MCUN,CN7M; A352 LCB,LCC;A494 CW-6MC,CU5MCuC,M35-1;A890 4A(CD3MN),5A(CE3MN),6A(CD3MWCuN); ASME B 148 C95800,C95500 etc
Design standardAPI 609,ASME B16.34
Structural lengthASME B16.10,GB/T 12221
Connecting endASME B16.5,ASME B16.47,ASME B16.25,GB/T 9113
Test standardAPI 598,ISO 5208,GB/T 26480,GB/T 13927
Operation methodHandle, worm, motor-drive unit, pneumatic drive unit
Application fieldsUsed as control and cut-off equipment for smelting, chemical engineering, sewage engineering, environmental protection system and control subsystems of water plant, power plan and steel plant.

CS SS Dual Eccentric Butterfly Valve / Double Offset Butterfly Valve

Contact Details
Kelite Group Co., Ltd

Contact Person: Mr. Wesley Wei

Tel: 86-15618368918

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