IS021 Gun Metal / Bronze Horizontal Lift Check Valve Class-1 (Screwed)

IS 021
  • Item Code: IS 021
  • Pressure Rating: CL-1 
  • Testing Standard: IS 6157
  • Size Range: 8mm to 100mm
  • Product Standard: IS 778

Suitable For

IS 021
IS 021

Material Specification

IS 021
P. No. NAME OF PART MATERIAL SPECIFICATION
  1 BODY LEADED TIN BRONZE IS:318 Gr. LTB2
  2 COVER LEADED TIN BRONZE / FORGED BRASS IS:318 Gr. LTB2 / IS:6912 Gr. FLB
  3 DISC LEADED TIN BRONZE / HIGH TENSILE BRASS IS:318 Gr. LTB2 / IS:6912 Gr. FHTB1
  4 'O' RING NITRILE RUBBER ______________
IS 021

Dimensional Data

IS 021
SIZE (mm) 8 10 15 20 25 32 40 50 65 80 100
L 47 50 60 70 80 95 110 125 160 180 216
~H 33 33 35 35 41 57 60 65 88 94 118
D 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4"
Item Code
(CL-1)
IS021 IS021 IS021 IS021 IS021 IS021 IS021 IS021 IS021 IS021 IS021

Principle Features

  • Design std.: IS:778.
  • Screwed in cover, integral seat.
  • Screwed female parallel threads to IS:554.
  • Disc is guided in body as well as in cover.
  • Permits flow in one direction and close.
  • Automatically if the flow reverses.
  • Profiled contoured shape body for minimum pressure head loss.

PRESSURE RATING: CL-1 

TEST PRESSURE (HYDROSTATIC) :
CLASS-1
BODY SEAT
1.5 Mpa (217.5 psig) 1.0 Mpa (145 psig)

END CONNECTION

  • Screwed Female threads IS:554 (Parallel).

UTILISATION & SERVICE

  • "LEADER" GUN METAL Horizontal Lift Check valves are suitable for above-ground & underground installations.
  • Suited for installation in Horizontal Pipeline.
  • Best suited for portable water, treated fresh water, neutral liquids.

WORKING PRESSURE

  • Maximum Working Pressure: (CLASS-I) 10 Bar.
  • See Pressure/Temperature Diagram.

TEMPERATURE LIMITS

  • Maximum working temperature: 45°C.
  • See Pressure/Temperature Diagram.

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