Gate Valves Manufacturer

Z-Lok Gate Valves are designed for reliable on/off flow control in industrial piping systems. Built for durability and secure shut-off, these valves provide efficient performance with minimal flow restriction when fully open. They are suitable for water, oil, gas, hydraulic, and various industrial process applications.

gate valves

Specfication format of Knife Gate Valve

DESIGNOS&Y OR BAR STOCK
STANDARDAPI 602 & ASME B16.34
VALVES SIZE6 MM – 50 MM/ 1/8″ – 2″
THREADBSPP, NPT, JIC, BSPT, UNF, METRIC
CONNECTIONTUBE END, THREADED, SOCKET WELD, BUTT WELD, FLANGE END
FLOW PATTERNSTRAIGHT
BODY SHAPESQUARE, ROUND, HEXAGON
PRESSURE RATING1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15,000 PSI
CLASS#150, #300 , # 600, #900, #1500, # 2500
BODY TYPEBAR STOCK, FORGED
HANDLE WHEEL HANDLE
MATERIALSS 316, SS 304, SS 316 TI, COPPER, BRASS, DUPLEX, CS, INCONEL, SUPER DUPLEX, HASTELLOY, MONEL, ALLOY 20, SMO 254, 904L, TITANIUM & ALL OTHER ALLOYS

Gate Valve 

FORGED GATE VALVES
GATE VALVE WITH WHEEL HANDEL

HIGH PRESSURE GATE VALVES
HYDRAULIC GATE VALVES
INSTRUMENTATION GATE VALVES
OS & Y DESIGN GATE VALVES
SCREWED GATE VALVES
SOCKET WELD GATE VALVES
KNIFE GATE VALVES

os&y valve

SS 304 GATE VALVES
SS 316 GATE VALVE

A105 GATE VALVE
DUPLEX GATE VALVE
SUPER DUPLEX GATE VALVE
INCONEL 625 GATE VALVE
MONEL 400 GATE VALVE
HASTELLOY C276 GATE VALVE
ALLOY 20 GATE VALVE

Sluice Gate Valve
 Sluice Gate Valve

Knife Gate Valve Size chart

SizeBADC
E
5020348335310468
8020351425375560
10020351495420622
12525457565470726
15025457625510789
20030570775610958
250406709156651109
3004067610557551280
3505087612408851436
4005088913009001495
45050889148510251676
500508114164011401891
600508114196013402195

Water Gate Valve Pressure Range

GATE VALVE 150 CLASS
GATE VALVE 600 CLASS

GATE VALVE 900 CLASS
GATE VALVE 1500 CLASS
GATE VALVE 2500 CLASS
3000 PSI GATE VALVE
6000 PSI GATE VALVE
10000 PSI GATE VALVE

Material Of Construction of Flanged Gate Valve

NameMaterial
DiscASTM A351 CF8M
BodyASTM A351 CF8M
BonnetASTM A351 CF8M
StemASTM A276 316
Snap RingASTM A276 316
Body GasketPTFE
PackingPTFE
WasherASTM A276 316
Packing GlandASTM A351 CF8M
Packing SleeveASTM A276 304
NutASTM A194-B8M
Hand WheelAluminium Alloy
Plain WasherASTM A276 304
Pneumatic Gate Valve Function

Gate Valve With Wheel Handel Technical Specification

Forged SteelAPI 602
Bolted BonnetAPI 600
End to End DimensionsASME B16.10
Pressure SealASME B16.34 / API 600
Butt Weld End DimensionsASME B16.25
Flanged End DimensionsASME B16.5, ASME B16.47-A & B
Valve Inspection & TestingAPI 598/ BS 6755 Part-I
Socket Weld End DimensionsASME B16.11
Non Destructive Test ( UT, RT, PT, MT)ASME B16.34
Visual InspectionMSS SP 55
Pressure – Temperature RatingASME B16.34
PRODUCT RANGEPRESSURE CLASSSIZE
Forged Steel800#-2500#6 NB – 50 NB
Bolted Bonnet150# – 600#15 NB – 900 NB
Pressure Seal900# -2500#50 NB – 600 NB

Dimensions of Hydraulic Gate Valve

Nominal PressureModel DNHand wheel 
diameter 
D-mm		Face to Face
L-mm		 Hole center distance 
c-mm		 Flange diameter 
d-mm		Crown diameter 
g-mm 		The flange thickness 
(containing water) T-mm		Hole number and aperture 
x-n		Boss height f-mm 
 PN16 50 138150 125165 99 19 4-Φ183
 65 173170 145185 118 19 4-Φ183
 80 173180 160200 132 19 8-Φ18 3
 100 200 190 180220 156 19 8-Φ18 3
 125 230 200 210250 184 19 8-Φ18 3
 150 230 210 240285 211 19 8-Φ23 3
 200 270 230 295340 26620 12-Φ23 3
 250 350 250350395 31922 12-Φ26 3
 300 350 270400445 37024.5 12-Φ26 4
Pressure Temperature rating of Screwed Gate Valve
BSPDN (mm)Media TempPressure RangeWeight (kg)
½”150 to 180°C0 to 13 BAR0.045
¾”200.055
1”250.07
1 ¼”321
1 ½”401.03
2”501.08