 Origin |
China |
| Brand Name |
QYV |
| Standard or Nonstandard |
Standard |
Metal seat ball valve
Product Sort:Ball valve>>Metal seat ball valve
Pressure:150LB-1500LB
Size:DN15-DN1200
Design Std:API,BS,DIN,JIS,GB
Product Material:Cast steel,A216 WCB,WC6,WC9,LCB,Stainless steel,CF8,CF8M,CF3,CF3M,CN7M
1.High precision ball& High tightness seat
QYV metal seat ball valve has high tightness,it ensures the tightness via spring prepressing seat in case of low pressure.In case of high pressure,the tightness is secured via seat plunger effect.The key point is the original qiuyi ball processing technic,which ensures the high precision of the ball(roundness).Advanced seat structure and high precision ball are the main factors of high tightness.At the same time,it extremely reduces operating torque.
2.Long life ball&seat
The seat is of stellite alloy surface,and the ball sealing face is of three forms as hard chrome plating,vacuum coating and tunsten-titanium alloy and stellite alloy etc.It owns good friction-resistance and long life for pipeline delivery of mediums with various operating temperature,high friction dust,slurry and solid foreign matters mixture.
3.The most economical material combination
The most economical point lies in that QYV metal to metal seat ball valve selects different seals according to different working condition.
4.The best fire safe and static resistance safety
Metal seat is resistant to extremely high temperature of 500 degrees celsius,,with the function of fire and static resistance.
5.Widely applicable
QYV metal seat ball valve with high hadness metal seat is applicable for high temperature liquid,high friction dust,slurry,transmitter with impacting substances and solid mixtures etc.It is nearly applicable for all liquids.
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