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Butterfly valve
Butterfly valve
Supplier Info
[China Supplier]
Contact Person : Mr. Liu Li
Tel : 86-27-67845266
Fax : 86-27-67845262
Product Detail
Butterfly valve features: 1. Flanged Type:DN350-DN2600, PN6/PN10/PN16 2. Wafer & Lug Type:DN50-DN600, PN10/PN16

1. Flanged Type butterfly valve features: ** Structural design complies with BS 5155.** Flange drilling acc. BS4504, Section 3.2, ANSI B16.1, Class125/100 and DIN2501 PN10, PN16 and JIS B221010K, JISG55277.5K.** Operating system can be worm gear, pneumatic actuator and electric actuator. Actuator connection acc.ISO5211. ** Eccentric disc, dual parallel joist structure, Min. flow obstruction, vibration-free even under high flow rate, save energy.** Stainless steel seat** Unique sealing ring, with saw-tooth sides, embedded directly into disc, bolt-free connection, easy on-line replacement, uniform & tight sealing effect, aspiratory rubber sealing ring, prolonged service life.** Unique taper pin, US patent design pin, bolt free & clearance free connection, eccentric pin maintains strength of shaft, large contact area, tight for long service,good exchangeability.** Excellent sealing effect, leakage free even under ±1 degree offset between sealing ring and seat. ** Self-lubrication type shaft bearing, small operation frictionand no requirement for oil.

Valve Size (mm)DN350-DN2600
Pressure ratingPN6PN10PN16
Max. working pressure MPa0.611.6
Seat pressure MPa0.661.11.76
Body pressure MPa0.91.52.4
Application mediumWater, Sewage
Medium temperature≤65
Medium flow rate≤3M/S

2. Wafer & Lug Type butterfly valve features:

Features: ** Structural design complies with BS 5155.** End connection acc. BS 4504, Section3.2, ANSI B16.1,class 125/150 and DIN 2501 PN10, PN16 and JIS B221010K, JIS G5527 7.5K. ** Operating system can be lever handle, worm gear, pneumatic actuator and electric actuator. Actuator mounting flange acc. ISO 5211.** Face to face dimension acc. ISO 5752. ** Long neck facilitates connection to pipeFusion epoxy coating** Removable seat structure facilities site maintenance.** Streamline structure, high Cv valueDual direction flowing** Unique taper pinUS patent design pinLarge contact area, tight for long serviceGood exchangeability** Excellent sealing effect** complies with BS 6755, part1, 1986.

Valve sizeDN50-DN600
Pressure rating PN10/PN16
Body pressure1.5/2.4MPa
Seat pressure1.1/1.76MPa
Operation temperature-50-180
MediumWater, oil,air
MaterialBodyDuctile cast iron, cast iron, aluminum alloy, S.S.
DiscD.I.+ nickel plated, D.I. + nylon 11 coated, 304 and 316 S.S.
SeatNBREPDM
Stem304,316 and 410 S.S.
PaintingEpoxy coated

Butterfly valve

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