Gate Valve for Water

1)Product Description
Special gate valve
Besides the common gate valves,SUNGO Company also makes cryogenic gate valve,Jacketed Gate Valve,Bellow Sealed Gate Valve,Extension Stem Gate Valve for underground application,Flat Gate Valve,etc.
Actuation
Hand wheel or gear box is usually used for gate valve actuation.Chain wheel and electric actuator can be also used for gate valve acruation if being requested by the customer.
Note:ASME B 16.5(for NPS≤24);MSS SP-44(for NPS>24 )


2)Product Features:
1.Choice of solid, flex or split wedge design
2.Back seating design
3.Upset forged T-head stem design
4.OS&Y construction
5.Renewable seat rings--seal welded
6.Full port design
7.Full length wedge guides
8.Optional impact hand wheel
9.Optional lengthen stem

3)Performance & Dimensions
Standard Criteria:ASME/ANSI/API
Pressure Rating:150 Class 300 Class 600 Class 900 Class 1500 Class 2500 Class
10 K 20 K
Valve Size:50 mm 65 mm 80 mm 100 mm 125 mm 150 mm 200 mm 250 mm 300 mm 350 mm 400 mm 450 mm 500 mm 600 mm 650 mm 700 mm 750 mm 800 mm 850 mm 
2 inch 2.5 inch 3 inch 4 inch 6 inch 8 inch 10 inch 12 inch 14 inch 16 inch 18 inch 20 inch 24 inch 28 inch 30 inch 32 inch 36 inch 40 inch 42 inch 48 inch
Actuator:Handle Gear
Connection:Butt Welding Flange RF Flange RTJ
4)Component Materials
Body Material:A216 WCB A351-CF8 A351-CF8M
Gasket:graphite+316 graphite+soft iron 304+graphite
Seat ring:A105+stellite A105+13Cr A351-CF8 A351-CF8M
Gate:13Cr+A216 WCB A351-CF8 A216 WCB+stellite A351-CF8M
Stem:A182-F6a A182-F316 A182-F304
Backseat bushing:A351-CF8 A182-F6a A351-CF8M
Packing:graphite
Gland:A182-F316 A182-F304 A182-F6a
Bonnet bolt:A193-B7 A193-B8M A193-B8
Bonnet:A351-CF8M A351-CF8 A216 WCB
5)Standards Applied

Design Standard : API600 API6D ISO10434

Connection Standard: API 605 ASME B 16.25-2007 ASME B 16.47A ASME B 16.47B ASME B 16.5 MSS SP-44Test Standard :API 598 API600 API6D

Face to Face :ASME B 16.10

Pressure-temperature rating :ASME B 16.34-2004