AMTECH offers gate valve -150 to 600 class in Flanged end , 800 to 2500 class in Threaded / buttweld/ socket weld end.Gate valves are generally designed to serve as isolation valves. In service, these valves are either fully open or fully closed. When Gate valves fully opened , the media which flows through the valve in a straight line with very little resistance. Gate valves must not be used in the regulation or throttling of flow media because of accurate control is not possible. Also , high-flow velocity of media in partially opened valves may cause erosion of the discs and seating surfaces area. The Vibration of wedge may also result in chattering of the partially opened valve disc. Gate valves are also operated by chain pulley when they mounted at height in plant. The Gate valves are used in thermic fluid with high temprature upto 350 degree.
Specification
AMTECH GATE VALVE CAST STEEL ASA 150#,& 300#,400#,600# OUTSID SCREW &YOKE TYPE BOLTED BONNET |
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MFG STD : | API 600, BS 1414 |
TESTING & INSPECTION STD : | API 598 |
FACE TO FACE : | AS PER ANSI B 16.10 |
END CONNECTION : | FLANGED END AS PER B 16.5 RF/BS 1560 – 150# & 300#,400#,600# |
BODY : | CI TO IS 210 GR. FG 220 / CS ASTM A 216 GR. WCB ASTM A 351 CF8/ ASTM A 351CF8M/ ASTM A 351 CF3/ ASTM A 351CF3M /CN7M/DUPLEX STEEL/MONEL K 400/MONEL K 500 |
SEATRING : | CS WITH 13% CR STEELS /SS 410 /AISI 304 /AISI 316/ AISI 304L/AISI 316L/CN7M/DUPLEX STEEL/MONEL K 400/MONEL K 500 |
WEDGE : | CS WITH 13% CR STEELS /SS 410 /AISI 304 /AISI 316/ AISI 304L/AISI 316L/CN7M/DUPLEX STEEL/MONEL K 400/MONEL K 500 |
SPINDLE : | AISI 410/AISI 304/AISI 316/AISI 304L/AISI 316L/CN7M/DUPLEX STEEL/MONEL K 400/MONEL K 500 |
BONNET : | CI TO IS 210 GR. FG 220 / CS ASTM A 216 GR. WCB ASTM A 351 CF8/ ASTM A 351CF8M/ ASTM A 351 CF3/ ASTM A 351CF3M /CN7M/DUPLEX STEEL/MONEL K 400/MONEL K 500 |
GASKET : | SPIRAL WOUND METALIC GASKET/ ANY SUITABLE GASKETS CUSTOMIZED |
BONNET BUSH : | AISI 410/AISI 304/AISI 316/BRONZE |
GLAND PACKING : | METALIC WIRE REINFORCED ASBESTOS / GRAPHOIL/ ANY SUITABLE GASKETS CUSTOMIZED |
GLAND : | CS/SS 410 /AISI 304 /AISI 316/ AISI 304L/AISI 316L/CN7M/DUPLEX STEEL/MONEL K 400/MONEL K 500 |
YOKE BUSH : | CS/BRONZE ,SS ETC |
CROSS BOLT /NUT : | CARBON STEEL /STAINLESS STEEL |
EYE BOLY/NUT : |
CARBON STEEL /STAINLESS STEEL |
GREASE NIPPLE : |
CARBON STEEL /STAINLESS STEEL |
GRUB SCREW : |
CARBON STEEL /STAINLESS STEEL |
HAND WHEEL : |
CI/CS/STAINLESS STEEL |
HAND WHEEL NUT : |
CARBON STEEL /STAINLESS STEEL |
HYD–TEST PRESSURE : | FOR ASA 150# BODY:425 PSIG (30KG/CM2) SEAT:300 PSIG (21 KG /CM2) FOR ASA 300# BODY:1100 PSIG,(77 KG /CM2 ) SEAT:800 PSIG (55KG /CM2), FOR ASA 400#, HYD-TEST PRESS. :,BODY : 1450,Psig(102 Kg/Cm2),: SEAT,: 1060 Psig,(74 Kg/Cm2),FOR ASA 600#,HYD-TEST PRESS. : BODY : 2175,Psig (153 Kg/Cm2),:,SEAT,: 1600 Psig,(112 Kg/Cm2) |
SIZE - RANGE : | 15 NB TO 600 NB (1/2" TO 24") |
ACCESSORIES : | MANUAL GEAR BOX OPERATION/ MOTORIZED OPERATION |