Stainless Steel Disc Double Flange Butterfly Valve Without Pin/ DN50-DN2000

Stainless Steel Disc Double Flange Butterfly Valve Without Pin/ DN50-DN2000

Short Description:

Design & Manufacturer: BS5155,BS EN593., etc.
Face to Face:BS5155,BS EN558, ISO5752
Top Flange Drilling:ISO5211
Test & Inspecting:API598,BS EN12266-1,DIN3230,BS5155
Flange Drilling:DIN2501,ANSI125/150,BS4504,BS 10D&E, JIS10K
Size:DN50(2”)-DN2000(80”)
Nominal Pressure:PN6/PN10/PN16
Working Temperature:-45℃–+150℃
Suitable Mediums:Fresh water, Sewage, Sea water, Air, Oils, Acids, Alkalis,Salts,etc.


  • Port: Tianjing
  • Delivery Time: Generally in 15-35 days
  • Payment Terms: T/T L/C
  • Product Detail

    Product Tags

    Place of Origin: China
    Brand Name: TJT
    Model Number: TJT-BFV-0020
    Certification: CE/ISO9001
    Minimum Order Quantity: 10 PCS
    Price: $24+
    Packaging Details: Plywood case
    Delivery Time: Generally in 15-45 days
    Payment Terms: T/T Or L/C
    Supply Ability: 1000pcs(DN1400-DN2000)-120000pcs(DN50-DN1200)/Year

    Description:
    Design & Manufacturer: BS5155,BS EN593., etc.
    Face to Face:BS5155,BS EN558, ISO5752
    Top Flange Drilling:ISO5211
    Test & Inspecting:API598,BS EN12266-1,DIN3230,BS5155
    Flange Drilling:DIN2501,ANSI125/150,BS4504,BS 10D&E, JIS10K
    Size:DN50(2”)-DN2000(80”)
    Nominal Pressure:PN6/PN10/PN16
    Working Temperature:-45℃--+150℃
    Suitable Mediums:Fresh water, Sewage, Sea water, Air, Oils, Acids, Alkalis,Salts,etc.

    Applications:
    Water Supply 
    Sewage Treatment
    Building Trades
    Power Industry
    Petroleum & Chemical
    Metallurgy Industry

    Specifications: 
    Table 1:  Part Name & Materials Choice

    Part Name Materials’ Choice
    1 2 3 4 5 6 7
    Body DI WCB SS Duplex SS Al-Bronze
    Disc DI+Painted SS Duplex SS Al-Bronze
    Seat Rubber & PTFE(Detailed in Table 3)
    Stem 45# SS Duplex SS Monel
    Detailed  Standards of The Materials in the below table (Table 2)

    Table 2 : Detailed Standards of The Materials

    Code Materials ASTM DIN EN
    1 DI ASTM A536 65-45-12 GGG40 BS EN-GJS-400
    2 WCB ASTM A216 WCB GS-C25 BS EN10213-2 1.0619
    3 SS ASTM A276 410/431/304/316 
    ASTM A351 CF8/CF8M/CF3M
    1.4006/1.4057/1.4301/1.4401
    1.4308/1.4408/1.4404
    BS970 410 S21/ 
    431 S29/304 S15/316 S16 
    BS EN10213-4 1.4308/1.4408
    /1.4404
    4 Duplex SS S32750 W-Nr1.4410 2507
    5 Al-Bronze ASTM B148 C95400/ 
    C95500/C95800
    CuAl10Ni BS 1400 AB2
    6 Monel K400/500   N04400/N05500 W.Nr.2.4360 NiCu30Fe /-

    Table 3: Detailed Materials of Rubber Seat

    Material Applicable Medium Feature Applicable Temp(℃)
    Natural rubber(X1) Fresh water, Sea water, 
    Salt,Strong base, 
    Weak base, Food
    High elasticity -20~+85℃
    Hypalon(X2) Fresh water, Sea water,Strong base, Weak base, Weak acid, Alcohol Oxidation resistant -30~+120℃ 
    Short time +140℃
    EPDM(X3) Fresh water, Sea water,Salt, Steam Aging resistant -25~+110℃ 
    Short time +120℃
    Neoprene(X4) Fresh water, Sea water,Salt, Strong base, Weak base, Weak acid Light-proof, Aging resistant -25~+110℃ 
    Short time +120℃
    NBR(X5) Fresh water,Salt, Strong base, Natural gas, Oil Oil resistant -20~+100℃ 
    Short time +110℃
    FKM(X7) Fresh water, Sea water, 
    Salt,Weak base, 
    Weak acid, Natural gas, Oil, Food.
    High temperature resistant, Corrosion resistant -20~+150℃ 
    Short time +180℃
    PTFE 
    (Only suitable for 
    DN50-DN200)
    Fresh water, Sea water, 
    Salt,Weak base, 
    Weak acid, Natural gas, Oil, Food.
    High temperature resistant,Corrosion resistant -10~+180℃

    Table 4: Type of Operation

    Driving Type
    Lever 
    DN50-DN200
    Gear Box 
    DN50-DN2000
    Pneumatic 
    DN50-DN2000
    Electric 
    DN50-DN2000

    Note: 

    *Generally DN50-DN200 with lever operation, More than DN200 will be with Gear Box. 
    *All sizes can be with gear box or electric operator or pneumatic according to the clients’ requirements.

    Color of Painting: RAL color or Others as your requirements 
    General Painting Color in The Stocks: 
    RAL5015/5017/5005/5010/2004,etc. 
    Black/Green/Red/Dark Green/Gray

    Tag: Stainless steel disc Double flange Butterfly Valve, Double Flange Butterfly Valve, Pin-Less Double Flange Butterfly Valve


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