D342X Flanged Butterfly Valve-B – DA Valve-Quality valve solutions for drinking water, gas supply and water hammer protection ...

D342X Flanged Butterfly Valve-B

Flanged concentric butterfly valve is one type of central lined flanged type butterfly valve, which is the most common type of butterfly valve. Rubber lined butterfly valve is with the central disc and bonded liner. It is featured with a higher strength body and better pressure resistance as safely factor. We can manufacture the double flanged type rubber lined butterfly valve according to AWWA C504 and EN593 with flanged ends of ANSI B16.5, DIN 2501, BS 4504, GB 17241.6,etc.

Additional information

Body

Ductile iron

Disc

Ductile iron, EPDM

Connect

Flange

Size

DN50-300

Media

Water

Product Details:

Characteristics

· Sealing system/standard: Resilient seated in accordance with EN 558
· Face-to-face length: acc. to EN 558
· With flange ends on both sides acc. to EN 1092-2
· Low operating torque due to plastic sliding guides on the wedge
· Maintenance-free and corrosion-resistant stem sealing
· With triple O-ring sealing
· Low wear due to wedge guiding and elongated stem bearing
· Suitable for vacuum of up to 90%

Material

· Body: Ductile iron EN-GJS-400-15 (GGG-40)
· Bonnet: Ductile iron EN-GJS-400-15 (GGG-40)
· Stem: Stainless steel 1.4462
· Bonnet bolts: Stainless steel A2 (DIN EN ISO 3506)
· Wedge: Ductile iron EN-GJS-400-15 (GGG-40) encapsulated with EPDM vulcanized
· Internally and externally epoxy coated

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