GATE VALVE

MATERIAL SPECIFICATION

SR. NO DESCRIPTION MATERIAL
1 BODY WCB/CF8/CF8M/CF3/CF3M
2 BONNET WCB/CF8/CF8M/CF3/CF3M
3 WEDGE WCB+13% CR. STEEL/CF8/CF8M/CF3/CF3M
4 SPINDLE WCB/CF8/CF8M/CF3/CF3M
5 SEAT RING WCB+13% CR. STEEL/CF8/CF8M/CF3/CF3M
6 BACK SEAT SS 410/SS 304/SS 316/SS 304 L/SS 316 L
7 GLAND BUSH WCB/CF8/CF8M/CF3/CF3M
8 GLAND FLANGE WCB/CF8/CF8M/CF3/CF3M
9 YOKE BUSH SG IRON/BRONZE
10 YOKE NUT SG IRON/BRONZE
11 GLAND PACKING GRAPHITE ASBESTOS/GRAPHOIL/PTFE
12 BONNET GASKET SPIRAL WOUND SS304/SS316 WITH GRAPHITE FILLER
13 HAND WHEEL CARBON STEEL/SG IRON
14 BONNET STUD & NUT ASTM A 193 Gr. B7/B7M /ASTM A 194 Gr. 2H/8M
15 CROSS BOLT ASTM A 193 Gr. B7/B7M /ASTM A 194 Gr. 2H/8M
16 EYE BOLT & NUT ASTM A 193 Gr. B7/B7M /ASTM A 194 Gr. 2H/8M
17 GREASE NIPPLE BRASS/STEEL

TEST PRESSURE

CLASS HYDROSTATIC SEAT TEST AIR TEST
150# 31.5 Kg/cm² 22 Kg/ cm² 7 Kg/ cm²
300# 79 Kg/cm² 58 Kg/cm² 7 Kg/cm²
600# 157.5 Kg/cm² 114 Kg/cm² 7 Kg/cm²

TECHNICAL DATA

DESING STANDARD BS 1414/ASME B 16.34
INSPECTION & TESTING STANDARD BS EN ISO 12266-I (BS 6755-I)
FLANGE TO FLANGE DIAMANSION AS PER ANSI B 16.5/BS 2080
END CONNECTION

FLANGE END AS PER ANSI B 16.5, CLASS 150/300/600

BS 10 TABLE D / TABLE E / TABLE F / TABLE H

SCREWED END BSP/NPT (ON REQUIREMENT)

SOCKET WELDED
MANUFACTURING SIZE RANGE ½” TO 12”
PRESSURE RATING OF VALVE 150#/300#/600#
VALVE OPERATION MANUAL HAND WHEEL/ GEAR
LEAKAGE CLASS IV (NO LEAKAGE)

FEATURES OF GATE VALVE

  • COMPACT DESING
  • LONGER LIFE
  • BOLTED BONNET
  • SMOOTH OPARETION
  • SEAT RING SCREWED IN BODY (REPLACEABLE SEAT) OR INTERGAL TYPE
  • DIE MOULD GRAPHITE PACKING RING SUITABLE FOR HIGH TEMPERATURE
  • LAPPED DISC AND SEAT FACES

SPECIAL OPTION AVAILABLE FOR GATE VALVE

  • EXTENDED BONNET TYPE
  • GEAR OPERATED
  • STELLITED DISC, SEAT RING & BACK SEAT ALSO AVAILABLE ON REQUIREMENT
  • NON-RISING STEM ALSO AVAILABLE ON REQUIREMENT