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Blocking Type Resilient Seat Butterfly Valve

Body: Ductile cast iron

Disc: Ductile cast iron packed with NBR

Gasket: EPDM/NBR

Cover: Ductile Cast Iron

Stem: Stainless Steel

O-Ring: EPDM Silicone

Thrust bearing: Brass

Gland: Ductile Cast Iron

Dust proof gasket: EPDM/NBR

Hand wheel: Ductile Cast Iron

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OVERVIEW

This valve is installed on a variety of piping, used as a two-way closed-circuit devices. Widely used in tap water, sewage treatment and other industries.

Features

1.Easonable structure,easy use and repair,of all the merits available with seat sealed gate valve.
2.Magnetic locker is additionally set to the original elastic seat sealed gate valve, so ti is not operable unless with the special handwheel or handle,effectively preventing.
3.Non-managing people from opening or closing of the valve.

Parameters
DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600
L 178 190 203 229 254 267 292 330 356 381 406 432 457 508
H (min)(full close) 313 332 372 424 497 562 680 837 948 1010 1220 1280 1480 1665
H (max)(full open) 355 375 415 476 540 600 720 875 990 1050 1245 1310 1560 1750

Technology Standard
Nominal diameter 50~800 mm
Nominal pressure 1 1.6 2.5 Mpa
Shell test 1.5 2.4 3.75
Sealing test 1.1 1.76 2.75
Air seal test 0.6 0.6 0.6
Working temperature ≦100 °C
Applicable medium Water、sewage

Application

1.Water supply
2. sewage
3.construction
4.oil
5.chemical
6.food
7.pharmaceutical
8.power
9.shipping
10.energy

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