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Wafer Type Manual Butterfly Valve

Brass Ball Valves help preserve our quality of life by controlling flow of all types. They are essential to our homes and to virtually all manufacturing processes, as well as every industrial plant and system.

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Description

Size	L	L1	D1	H2	H1	Z-Ød
DN50	46	218	120	158.7	67.2	4-23
DN65	49	222	136	163	77	4-25
DN80	49	222	160	177	91	8-20
DN100	55	245	185	191.5	104.5	4-24
DN125	58	257	213	207.5	117.5	4-23
DN150	59	257	236	222	132	4-24
DN200	64	345	295	258	169	4-22
DN250	71	351	357	290	200	4-30
DN300	81	512	408	329.6	239	4-30
DN350	85		470	358	254	4-30
DN400	89		525	390	301	4-30
DN500	132		650	470	345	4-32
DN600	152		770	540	445	4-30

Production Process

Application

Application：
Soft sealing butterfly valve is suitable for water supplying and draining gas

pipe as adjust flux and cut off medium in foodstuff ,pharmacy ,chemical industry ,

petroleum ,electric power ,light textile ,paper making etc. with temperature <150 ℃,

nominal pressure <1.6MPa.

Characteristics:
It is simple structure : good interchangeability and low price

Stem sealing is not easy deformation ,so avoids leakage phenomenon.

Overall support is good ,stable and solid Use less rubber of seat ,

so expansion has small impaction and easy to control torque value at an appropriate range .

Applying to two pieces of no-sells connection ,structure is simple and convenient to be maintained

Butterfly disc owns automatic alignment function and achieved small combination of disc and seat .

Phenolic back seat is featured such as no loss ,tensile ,anti-leak ,convenient replacement etc.

For seat sealing surface and phenolic back as a whole ,it can reduce amount of deformation .

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