Product: ZFV High temperature butterfly valve .
* Size : 14''
* Pressure rate: ANSI 300LB
* Type : Double flange Ends
* Operation : Gear O.P.
* Torque : 8200N.m
* Valve Structure : Triple Offest
* F to F length : 190 mm
* Disc Seal Type: SS316+STL
* Painting RAL Number: RAL 9004 , painting color blue
* Suitable Temperature : 550°C, Application for power plant
* Design features:Blow-outproof valve stem
* Body material A217 WC9+STL
* Disc material A217 WC9
* Seal material SS316+STL
* Shaft:17-4 PH
* Origin : WenZhou city ,CHINA
* Design and manufacture API 609
* Face to face dimension API 609
* End flanges dimension ANSI ASME B16.47 Serial A
* Test & inspection as API 598
Below suitable temperature of different valve materials:
A. Material ASTM A351 CF8M,ASTM A351 CF3M,ASTM A351 CF8, ASTM A351 CF3,ASTM A182 F316, ASTM A182 F316L, ASTM A182 F304, ASTM A182 F304L,ASTM A352 LCA, ASTM A352 LCB, ASTM A352 LCC, ASTM A352 LC1, can be used for low temperature service. Temperature -29℃ ≥ T ≥ -100℃.
B. The main material be carbon steel in case service is water, steam, gas, oil etc.The material grade is ASTM A216 WCB, ASTM A216 WCC, forged carbon steel ASTM A105. Using temperature range is from -29℃ to 425℃. But general using temperature of carbon steel is not hgiher than 400℃, consider safety factor
C. The main material be Cr-Mo casting high temperature steel.
ASTM A217 WC6, ASTM A217 WC9, ASTM A182 F11, ASTM A182 F22, suitable for service water, steam, gas, not suitable for oil contain sulfur.suitable temperature ASTM A217 WC6 and ASTM A182 F11 :-29℃ to 540℃; ASTM A217 WC9 and ASTM A182 F22:-29℃ to 570℃.
ASTM A217 C5, ASTM A182 F5 suitable for service water, steam, gas, and oil contain sulfur.suitable temperature ASTM A217 WC6 and ASTM A182 F11 :-29℃ to 550℃ .