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{"title":"Double Eccentric DN100 - DN2000 1.6 MPa Flanged Butterfly Valve","imgUrl":"https:\/\/img.chinax.com\/nimg\/bf\/6c\/d143cece11bbdd67e869b568830d-200x200-1\/double_eccentric_dn100_dn2000_1_6_mpa_flanged_butterfly_valve.jpg","attrs":{"Place of Origin":"China","Brand Name":"DIEFEI or OEM","Delivery Forecast":"Request By Client","Minimum Order Quantity":"1 Set"}}
{"title":"Good Seal Performance GG25 \/ GGG40 \/ GGG50 Body Single Flanged Butterfly Valve","imgUrl":"https:\/\/img.chinax.com\/nimg\/56\/2d\/e246cc744dfb7876d9879f1ef02f-200x200-1\/good_seal_performance_gg25_2f_ggg40_2f_ggg50_body_single_flanged_butterfly_valve.jpg","attrs":{"Place of Origin":"China","Brand Name":"DIEFEI or OEM","Packaging Details":"Plywood cases","Payment Terms":"TT LC"}}
{"title":"Double Eccentric 1.6MPa Flanged Butterfly Valve With Resilient Seat Conform to","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/4d\/de4202c0bfdb8dc949636c5fd145-200x200-1\/double_eccentric_1_6mpa_flanged_butterfly_valve_with_resilient_seat_conform_to_bs5155.jpg","attrs":{"Place of Origin":"China","Brand Name":"DIEFEI or OEM","Packaging Details":"Plywood cases","Payment Terms":"TT LC"}}
{"title":"ISO & CE Certificate OEM Center Line Flanged Butterfly Valve For Fresh Water,","imgUrl":"https:\/\/img.chinax.com\/nimg\/24\/f2\/8f53ca02c3fef1e43f01401fb5e3-200x200-1\/iso_26_ce_certificate_oem_center_line_flanged_butterfly_valve_for_fresh_c2_a0water_2c_air_2c_steam.jpg","attrs":{"Place of Origin":"China","Brand Name":"DIEFEI or OEM","Packaging Details":"Plywood cases","Payment Terms":"TT LC"}}
{"title":"API598 High Performance U Type Flanged Butterfly Valve for Water, Air, Food, Oil","imgUrl":"https:\/\/img.chinax.com\/nimg\/62\/54\/18235a7791a249a92351614f55aa-200x200-1\/api598_high_performance_u_type_flanged_butterfly_valve_for_water_2c_air_2c_food_2c_oil.jpg","attrs":{"Place of Origin":"China","Brand Name":"DIEFEI or OEM","Packaging Details":"Plywood cases","Payment Terms":"TT LC"}}
{"title":"High Performance U Type Flanged Butterfly Valve Suitable for water, air, food","imgUrl":"https:\/\/img.chinax.com\/nimg\/f1\/53\/36a099b9d4599312abde13308ef3-200x200-1\/high_performance_u_type_flanged_butterfly_valve_suitable_for_water_2c_air_2c_food_and_oil.jpg","attrs":{"Place of Origin":"China","Brand Name":"DIEFEI or OEM","Delivery Forecast":"Request By Client","Minimum Order Quantity":"1 Set"}}
{"title":"Professional Reliable Seal Center Line Flanged Butterfly Valve with PTFE \/ VITON","imgUrl":"https:\/\/img.chinax.com\/nimg\/24\/f2\/8f53ca02c3fef1e43f01401fb5e3-200x200-1\/professional_reliable_seal_center_line_flanged_butterfly_valve_with_ptfe_2f_viton_seat.jpg","attrs":{"Place of Origin":"China","Brand Name":"DIEFEI or OEM","Delivery Forecast":"Request By Client","Minimum Order Quantity":"1 Set"}}
The Rubber-seat Double eccentric Flange Butterfly valve,can be used for water supply and draniage systems in the industries of problem processing,chemicals,water works,Power generating factory,mill plant,paper-making and water source projects,especially suitable for use as anideal equipment for throttling or shutting off flow in water pipelines.
Features:
1. Compact in construction,easy to install and maintain
2. The double eccentric structure reduces friction of the sealing ring,providing the valve a long service life.
3. Bubble-tight sealing with no leakage under testing pressure.
4. Replacing materials of the disc sealing ring,”O”ring,and disc,the valve can be used for various medium and tempreture.
Double Flanged Butterfly Valves With Disc Double Eccentric With Resilient Seat Conform to BS EN593 (BS5155)
Size:DN100-DN2000
Specification:
Nominal pressure (MPa)
1.6
Testing Pressure
Body shell
2.4
Seal
1.76
Working pressure (MPa)
1.6
Suitable temperature (°C)
≤80
Suitable Medium
Water
Technical and requirement
Design, manufacture are according to standard of BSEN593-98〔Butterfly Valves For Waterworks Purpose〕.
The flange of the butterfly valve is according to PN1.6 Mpa flange of BSEN1092-2 for internal ductile iron flanges.
Inspection is according to standard PrEN12266-3.(No Visible Leakage).
The valves for PN1.0 MPa and PN2.5 MPa are also can be designed and manufactured.
Material Specification:
No.
Name of part
Material
BS Designation
Coating (350 microns)
Epoxy Resin or Epoxy fusion bonded
18
Bolt
Carbon Steel/S.S.
BS970
316S13 or 304S15
17
Connecting Plate
SG(Ductile) Iron
BSEN1563
EN-JS1050
16
Handwheel
SG(Ductile) Iron
BSEN1563
EN-JS1050
15
Gearing Box
SG(Ductile) Iron
BSEN1563
EN-JS1050
14
Shaft (1)
Stainless Steel
BS970
Gr431S29
13
Packing Box
Copper-tin-lead alloys
BSEN1982
CuSn5Zn5Pb5
12
O-Ring
EPDM
BSEN681
IRHD66-75
11
Body Sealing Ring
Stainless Steel
BS970
316S13 or 304S15
10
Rubber Sealing
EPDM
BSEN681
IRHD66-75
9
Retaining Ring
Stainless Steel
BS970
316S13 or 304S15
8
Obturator
SG(Ductile) Iron
BSEN1563
EN-JS1050
7
Obturator Pin
Stainless Steel
BS970
Gr431S29
6
Shaft (1)
Stainless Steel
BS970
Gr431S29
5
Body
SG(Ductile) Iron
BSEN1563
EN-JS1050
4
Shaft bushes
Du Bushes
Self Lubricating Bushes
3
O Ring
EPDM
BSEN681
IRHD66-75
2
.Cover
SG (Ductile)Iron
BSEN1563
EN-JS1050
1
Bolt
Carbon Steel/S.S.
BS4190 (Hot dipped galvd)
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Year Established:
1998
Total Annual:
>Eight million
Employee Number:
210~500
Ecer Certification:
Active Member
BRIEF INTRODUCTION COMPANY
Diefei Valve Co., Ltd is a specialized factory, which gathering the medium and lower pressure valve developing, manufacturing and selling together.We are one member of Chinese Valve Association, an advanced enterprise of the Valve Industry in Hebei Provin...
BRIEF INTRODUCTION COMPANY
Diefei Valve Co., Ltd is a specialized factory, which gathering the medium and lower pressure valve developing, manufacturing and selling together.We are one member of Chinese Valve Association, an advanced enterprise of the Valve Industry in Hebei Provin...