JIS F7480 Rubber seat cast iron marine butterflyvalve 
1) PN 16 
2) DN 40-1000 
3) Center disc, LT, A type

Specifications

1.Wormgearwafer  type  Seal ButterflyValve 
2.PN1.0/1.6/2.0MPa 
3 two-way sealing function 
4.API,ANSI,ASTM,BS,DIN,ISO app

1.Materials 
(1) Body and disc: cast iron, ductile ironGGG40/GGG50/WCB/SS 
(2) shafts of stainless steel 2cr13 
(3) Disc sealing ring in replaceable NBR/EPDMrubber. 
(4) seat face weld with copper alloy, microfinished. 
2. Corrosion protection ,Inside and outside epoxycoating 
3. Applicable temperature:-20 -100 different raw material fordifferent work temperature 
4. Applicable medium: water, oil, gas and other causticity medium(different raw material for different medium)

2.Characteristic 
1.Newstructure design, much suitable size andweight; 
2.The sealing ring can be replaced without dismantling thedisc. 
3.Double eccentric disc and body structure, easyoperating; 
4.Sliding fit between seal and seat, lower abrasion and longerlifetime; 
5.90°turning shaft design, which can control the disc at anyposition between 0°~90°; 
6.Besides worm gear and level, electrical actuator, pneumaticactuator, hydraulic actuator can be usedeither; 
7.Better flow characteristics, better performance.

shanghai (SVS) service marine valve manufacture co,.ltd

contact: jenny  

skype:shsvsship

QQ:646364167

Yahoo:shsvsship@yahoo.cn

MSN:marinejenny@hotmail.com

tel:021-64111298 13764813871  18917879848

fax:021-64113748

E-mail: svsship09@126.com

Address:sanda road ,pujiang district shanghai,china