Name: Manual Soft Seal Wafer Type Butterfly Valve (GAD371X)
Brand: goole
Availability: InStock

Product Details

Soft sealing butterfly valve is used for connecting medium or adjusting the flow rate in the pipelines,the temperature of medium can be 120 degree celsius,the working pressure can be 1.6 Mpa.It's widely applied in food,medicine,chemical,petroleum,electric power,metallurgy,urban construction,textile,papermaking.,etc industrial sectors.

Main Characteristics.

New design,unique structure,light weight,swift to open or close.
Small operating torque,easy operating,saving effort.
Can be installed anywhere,easy maintenance.
Sealing part is replacable,reliable sealing,zero leakage.
Sealing material is age-resistant and anti-corrosive,greatly prolong the service life.

Main Technical Parameters.

Nominal diameter	DN	50-1200
Nominal pressure	PN	0.6	1.0	1.6
Test pressure	Shell test	0.9	1.5	2.4
Test pressure	Seal test	0.66	1.1	1.76
Medium	Fresh water,sewage,sea water,air,steam,food,drug,various oil,acid,alkali,salt.,etc.

Main Parts and Materials.

Part Name	Part Material
Body	Ductile iron,cast steel,alloy steel,stainless steel.
Disc	Gray cast iron,ductil iron,cast steel,stainless steel and others.
Seat ring	NBR,EPDM,PTFE and others
Stem	Cr13,stainless steel
Packing	Graphite or others.

Main Extenal Dimensions.

Class	DN	L	d	Do	n-M	H	H1	H2
150LB	50	43	52.9	120.7	4-5/8 UNC	210	161	80
	65	46	64.5	139.7	4-5/8 UNC	225	175	89
	80	46	78.8	152.4	4-5/8 UNC	235	181	95
	100	52	104	190.5	8-5/8 UNC	250	200	114
	125	56	123.3	215.9	8-3/4 UNC	265	213	127
	150	56	155.6	214.3	8-3/4 UNC	276	226	139
	200	60	202.5	298.5	8-3/4 UNC	320	260	175
	250	68	250.5	362	12-7/8 UNC	355	292	203
	300	78	301.6	431.8	12-7/8 UNC	400	337	242