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Location:PRODUCTS >> Ball valve >> Three-piece welded stainless steel ball valve
Three-piece welded stainless steel ball valve
Model: Q11F
Nominal diameter: NPS1 / 2 "~ 2"
Temperature: -20 ~ 232 ℃ ~ 350 ℃
Body material: stainless steel CF8M, WCB steel
Operation: manual, electric, pneumatic
Design criteria: ASME B16. 34 GB / T12224
Construction Length: ASME B16.10 GB / T12221
Connecting Flange: ASME B16.34 JB / T79
Test and Inspection: JB / T9092 API 598

First, three-piece welded stainless steel ball valve product overview

Three-piece welded stainless steel ball valve for operating temperature -29 ~ 180 ℃ (PTFE ring for the enhanced) or -29 ~ 300 ℃ (ring for the para-polystyrene) of the various pipelines for truncation or Turn on the medium in the line. Selection of different materials, can be applied to water, steam, oil, nitric acid, acetic acid and other media.
 

Second, three-piece welded stainless steel ball valve product features

Three-piece welded stainless steel ball valve is divided into a whole (one type), two-stage and three-stage. Body casting using imported advanced technology in Taiwan, a reasonable structure, handsome in appearance. Seat with flexible sealing structure, reliable sealing, easy opening and closing. Stem with inverted seal down the structure, the valve chamber abnormal pressure, the stem will not be washed out. Two-piece, three-piece ball valve connections are available with butt fusion (BW) socket welding (SW) and are available with international standard ISO bracket platforms and locking devices. Can be set to 90 ° switch positioning mechanism, according to the need to lock to prevent misuse, drive mode: manual, electric, pneumatic.
 

Three, three-piece stainless steel ball valve welding the main components of the material

Part Name Material
stainless steel Carbon steel
Body Stainless steel CF8M Carbon steel WCB
Sealing ring Polytetrafluoroethylene PTFE Polytetrafluoroethylene PTFE
cap Stainless steel CF8M Carbon steel WCB
Sphere Stainless steel SS316 Stainless steel SS304
Valve stem Stainless steel SS316 Stainless steel SS316
Nut Stainless steel SS304 FCD45
washer Stainless steel SS304 FCD45
Handle cover plastic plastic
handle Stainless steel SS304 Stainless steel SS304
Stem nut Stainless steel SS304 B7
washer Stainless steel SS304 Stainless steel SS304
Gland packing nut Stainless steel SS304 FCD45
filler Polytetrafluoroethylene PTFE Polytetrafluoroethylene PTFE
Thrust washer Polytetrafluoroethylene PTFE Polytetrafluoroethylene PTFE
filler Polytetrafluoroethylene PTFE Polytetrafluoroethylene PTFE
bolt Stainless steel SS304 B8


Four, three-piece welded stainless steel ball valve dimensions

NPS 1/2 " 3/4 " 1" 1 1/4 " 1 1/2 " 2"
L 92 111 127 140 152 178
S 21.8 27.1 33.8 42.8 48.7 61.l
B 9.6 12.7 12.7 127 12.7 15.9
LO 123 160 160 l95 195 250
NPT 1/2 " 3/4 " 1" 1 1/4 " 1 1/2 " 2"


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