Worm in Oslo Norway worm gear speed reducer drive manufacturer China Gear Box Operated Wafer Type Soft Seal Center Sealing Butterfly Valve with top quality

Aug 30, 2020 | Product Catalog

We – EPG Group the biggest worm gearbox, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086-13 0571 0571 28
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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 wor ept 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	0571	292	203
	300	78	301.6	0571 .8	12-7/8 UNC	400	337	242

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The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.

As one of leading manufacturers, suppliers and exporters of worm gearbox, planetary gearbox, helical gearbox, cycloidal gearbox and many other gear speed reducer. We also supply geared motor, electric motor, synchronous motor, servo motor and other size motors.

for any request, please contact us:
E-mail: sales@china-gearboxes.com

Professional production worm reducer, planetary gear reducer, helical gear reducer, cyclo reducer, dc motor, gear motor manufacturer and suppliers.

Worm in Oslo Norway worm gear speed reducer drive manufacturer China Gear Box Operated Wafer Type Soft Seal Center Sealing Butterfly Valve with top quality

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