Double Eccentric LUG Butterfly Valve 4 Inch

  • Product Name:Double Eccentric LUG Butterfly Valve 4 Inch
  • Unit Price:
  • Design Standard:BS EN593/BS5155/API609/DIN3354
  • FTF Dimension:ISO 5752/BS EN558/API609/ASME B16.10/DIN3202
  • Flange Connection:ASME B16.5 /DIN 2501 /EN1092
  • Inspection and Test:EN12266-1/API 598/ISO5208
  • Delivery Time:15-30days
  • Tel: +86-22-28219562
  • Fax: +86-22-28219554 ext.8888
Product Details: Double Eccentric LUG Butterfly Valve 4 Inch

Nominal Diameter: DN50–DN600

Nominal Pressure: 10Bar/16Bar/150lb/300lb/600lb;

Design Standard: BS EN593/BS5155/API609/DIN3354

FTF DimensionISO 5752/BS EN558/API609/ASME B16.10/DIN3202

Flange Connection: ASME B16.5 /DIN 2501 /EN1092 

Inspection and Test: EN12266-1/API 598/ISO5208


Material List


No    Item              Material                                                            Symbol

1       Body            Ductile Iron                                    ASTM A536 60-40-18/ DIN1693 GGG40

                             Carbon Steel                                 ASTM A216 WCB

                             Stainless Steel                              ASTM A351 CF8/CF8M

2       Disc             Ductile Iron                                   ASTM A536 60-40-18/ DIN1693 GGG40

                             Carbon Steel                                 ASTM A216 WCB

                             Stainless Steel                              ASTM A351 CF8/CF8M

                             Bronze AL-Bronze                        ASTM B148 C954

3       Stem           Stainless Steel                              ASTM A182 304/316/410

                             Alloy Monel K500

4       Seat            SS304/SS316/Stellite 

5       Sealing        PTFE

6       Retaining    Carbon Steel/SS304/SS316

7       Screw         Carbon Steel/SS201/SS304/SS316

8       Packing      NBR/EPDM/VITON/Flexible Graphite

9       Yoke           Cast Iron/Carbon Steel

10     Bushing      PTFE

                            Bronze

11      Pin             Stainless Steel                                ASTM A182 304/316/410

                                                                                   Ally Monel K500

Structure and Feature


1. Bi-directional tightness。

2.Small in size and light in weight.Easy installation and maintenance.It can be mounted wherever needed.

3.Simple and compact construction,quick 90 degree on-off operation.

4.Minimized operating torque,energy saving.

5.Flow curve tending to straight line.Excellent regulation performance.

6.Long service life.Standing the test of tens of thousands opening/closing operations.

7.Bubbles-tight sealing with no leakage under the pressure test.

8.Wide selection of materials,applicable for various medium. 


Related recommendation:

ANSI Triple Eccentric Butterfly Valve

ISO 5752 Butterfly Valve PN16 Lug Type

Lug Wafer Triple Eccentric Butterfly Valve DN100






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