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Wafer End Double Eccentric Butterfly Valve Lowering Operating Torques With Metal Seat

Categories High Performance Butterfly Valves
Brand Name: TEKO
Model Number: D72W
Certification: CE, API
Place of Origin: Made in China
MOQ: 1 pieces
Price: By negotiation
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 500 tons per year
Delivery Time: 40 days after deposit
Packaging Details: Pollywooden cases
End Connetiong: Wafer
Working Pressure: Class150/300/600Lb
Lug Driled: ANSI B16.5/ANSI B16.47
Size Rating: 2" to 60"
Body Material: WCB, Stainless Steel
Regulating: Yes
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    Wafer End Double Eccentric Butterfly Valve Lowering Operating Torques With Metal Seat

    Wafer End Double Excentric High Performance Butterfly Valve With Metal Seat


    Introduction of Double Excentric High Performance Butterfly Valve


    TEKO Wafer and Lug Type high performance butterfly valve are double excentric high performance design. The unique design makes the disc move back and away from the body seat during the opening movement. The double eccentric design decreases the seat friction, which results in an extension of the valves life span and lower operating torques. If repair is needed, the seat can be replaced easily without removing the valve shaft. All high performance seats are exchangeable.

    These TEKO butterfly valves are bi-directional, but do have a preferred flow direction. It is however strongly recommended to install the valve in the preferred flow direction.


    Types of seat sealing


    Soft seated: Bi-directional seat with encapsulated elastomeric o-ring for resiliency. Common sea materials include PTFE, RPTFE and UHMWPE.

    Metal Seated: TEKO metal seat with metal back-up ring to accomplished by the line contact between a spherical surface and conical surface.

    Fire safe seat: Double seat design, bi-directional soft sea design for zero-leakage in normal operation and a metal-to-metal seal after fire, meeting or exceeding industry ”fire-safe” requirements.


    Dimensions & Drawing-Class 300Lb


    SizeABCDEGHKL1L2MPSXYWeigh
    5043.323.396-38124.327980---186.3714503.2
    654927119-59194279111---27511.214.8485
    804927132-73203279121---31611.214.8746
    1005430157-95216279133---34111.214.8978
    1256430186-111217279135---36211.214.811112
    1505934216-142257559175---41315.921.914615
    2007340270-188306559213---49520.62819427
    25083443243872363535592541~8M27459223.833.324348
    3009250381451282389-2831-1/8~8+M30467528.73728966


    SizeABCDEFGKL1L2MPSXYWeight
    350118594135143144134273251-1/8~8+M30473841.450289167
    400133624705723634704523501-1/4~8+M33479141.450346195
    450149755336294145335424241-1/4~8+M3349555164392324
    500162815846864555845764461-1/4~8+M33410755165433406
    600184926928135496926465011-1/2~8+M39411515165524631

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