Zhejiang, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2008, ISO14001:2004, OHSAS18001:2007
Annual Revenue:
4.67 Million USD
OEM/ODM Service

Air-Operated Valve, Electric Valve, Stainless Steel Butterfly manufacturer / supplier in China, offering Pneumatic/Electric Stainless Steel Teflon Lining Butterfly Valve for Chemistry, High Performance PFA/PTFE Lined Soft Seated Butterfly Valve, Teflon PTFE PFA FEP Lined/Lining/Coated/Seated Wafer Type Resilient Butterfly Valve for Corrosive Chemical Industry and so on.

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Supplier Homepage Products Butterfly Valve Others Butterfly Valve Pneumatic/Electric Stainless Steel Teflon Lining Butterfly Valve for Chemistry

Pneumatic/Electric Stainless Steel Teflon Lining Butterfly Valve for Chemistry

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Purchase Qty. / Reference FOB Price
1-9 Pieces US $60
10+ Pieces US $50
Production Capacity: 200 Sets/Month
Transport Package: Plastic Bag & Foam Box & Wooden Case
Payment Terms: T/T
Driving Mode: Electric
Connection Form: Flange
Structure: Centre Sealing
Seal Form: Auto Sealed
Valve Stem: Normal
Work Pressure: Low Pressure (Pn<1.6mpa)

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Basic Info

Model NO.: D671
Working Temperature: Medium Temperature (120°C<T<450°C)
Material of Seal Surface: Soft Sealed
Valve Body: Casting
Application: Industrial Usage, Water Industrial Usage
Body Material: Wcb/CF8
Seat Material: PTFE
Disc: Wcb/CF8+PFA
Trademark: DOXI
Specification: DN300
Origin: Wenzhou
HS Code: 8481804090

Product Description


Lined Butterfly Valve

DOXI ® Butterfly Valves are a good choice for Corrosive Chemical solution!
Its special feature is the PTFE seat ring design. The interference between the PFA Lined disc and the raised central area of the seat ring shuts off the flow completely. The resilient elastomeric seat cushion ensures reliable shut-off for the life of the valve. 
The upper and lower positions of the seal ring, where the stem passes through, use a triple seal design to prevent leakage to the atmosphere.
Triple Seal Prevent Leakage
Primary Seal: Seat. 
Secondary Seal: O ring
Tertiary Seal: Taper PTFE seal ring

Anticorrosive Wafer Type PFA Lined Butterfly Valve Chemical
Anticorrosive Wafer Type PFA Lined Butterfly Valve Chemical
Anticorrosive Wafer Type PFA Lined Butterfly Valve Chemical


DNNPSDimensions in mm
ASME B16.5JIS B2212 10KDIN2532 PN10WeightCVTorque
[mm][in]ABCDEFGHKMN-ΦLISO5211 ΦDN1-Φ1ΦDN1-Φ1ΦDN1-Φ1[kg][N @ m]
3501421016538553602853310//4-Φ2278F14476.320-1 3/844516-2546016-23759200850
4001621016538553953203310//4-Φ22102F14539.820-1 1/451016-2751516-27110145001170
45018210165446543536038.514//4-Φ22114F14577.916-1 1/456520-27//130201001560
50020210165446545538538.514//4-Φ22127F1463516-1 1/862020-2762020-27190220001820
6002421016555755254454916//4-Φ22154F14749.312-1 1/873024-3372520-30280310002990

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