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Lug Butterfly Valve

Lug Butterfly Valve


Description:

ZECO lug butterfly valve is one of the wafer butterfly valves. When installed, the valve is connected between two pipe flanges with double-head bolts. It is generally used in situations where the strength of pipe terminal and pipeline is high.Lug butterfly valve has resilient seal structure and metal seal structure, according to the actual situation of the user to choose. The flange end size of ZECO lug butterfly valve can be produced according to the requirements of users. At present, our molds can meet the requirements of ASME B16.5, DIN and BS standards to meet the actual installation requirements of users. ZECO is a professional manufacturer of lug butterfly valves, whose products have been used by oil and gas companies and industrial operating companies all over the world.

Features:

1. ZECO lug butterfly valve has triple offset structure and double offset high performance structure, can be produced according to requirements. The unique self-adjusting sealing seat is adopted in the double eccentric structure. When the butterfly disc is closed and ready to open, the PTFE sealing ring will automatically reset and restore the original elastic position. When closing, the PTFE sealing ring will be compressed by the butterfly disc closing force to ensure the sealing;

2. ZECO lug butterfly valve does not need to add o-ring or metal parts to maintain the seal, long service life, low maintenance costs;

3. The lip type sealing structure of ZECO lug butterfly valve can compensate for changes in temperature and pressure;

4. ZECO lug butterfly valve in sealing test, no bubbles and leakage in both directions, ensure that users can install valves on the pipeline according to requirements, no direction requirements.


Material:

No

Part

Material

1

Body

ASTM A216 WCB

2

Seal Ring

Graphite + SS304

3

Retainer Flange

ASTM A105

4

Pin

ASTM A276 420

5

Disc

ASTM A216 WCB

6

Stem

ASTM A276 410

7

Stem Packing

Graphite

8

Stem Beating

SS304 + PTFE

9

Bolt

ASTM A193 B7

10

Nut

ASTM A194 2H

11

Yoke

ASTM A216 WCB


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