4 Inch Tri Eccentric Butterfly Valve , Pneumatic Butterfly Valve Sanitary

4 Inch Tri Eccentric Butterfly Valve , Pneumatic Butterfly Valve Sanitary

Tri Eccentric Butterfly Valve Brief introduction:

The Tri Eccentric Butterfly Valve is operated by the disc rotating form 0° to 90°, can be applied to cut off or regulate

the flow of medium.

The valve can be actuator by operating lever, handle wheel electric actuator or pneumatic actuator.

Widely used for potable water supply and distribution, waste water treatment, electric power plant, gas

supply, warm-air system, smelting plant, ship building, textile, petroleum, chemistry, or other light

industries.

Tri Eccentric Butterfly Valve Features:

⊙ Low flow resistance

⊙ Small operation torque

⊙ Easy to install and maintain

⊙ Flow pattern tend to be straight

⊙ Open-close 90° more smoothly

⊙ Professional design

When initiating the rotary opening movement the disc is off-seated after only a few

degree of opening movement and there is very little wear and tear between seat ring and disc.

⊙ Combine fastness

Stainless steel seat ring is rolled into the valve body by applying special rolling technology

when DN<1200. Ultrasonic spray applies seal of valve body when DN>1400.

⊙ Adjust tightness

Rubber sealing ring and disc can adjust tightness or softness of sealing with clamping ring, it insures

best performance of adjusting the compression of sealing.

⊙ Sealing reliable

Body and disc made of ductile iron which promote the impact resistance and pressure-bearing

capacity, sealing ring made of rubber and valve seat’s sealing surface is conical shaped, make the

sealing capacity more reliable.

Mail part & material

Body, Disc: GGG50 with internal and external epoxy resin coating

Stems: 1Cr17Ni12Mo2Ti, Stainless steel min.13%Cr

Bushing : Bronze CuAI10Fe3

Seal ring, O-ring: NBR, EPDM or FPM

Technical Specification

-Nominal diameter: 150～2600mm

-Nominal pressure: 1.0/1.6/2.5Mpa
-Strength testing pressure: 1.5/2.4/3.75Mpa

-Sealing testing pressure: 1.1/1.76/2.75Mpa

Executive standard

Main external and connection dimension

1.0MPa mm

1.6MPa mm

2.5MPa mm