GOST 5762 Russia standard cast steel metal hard seal rising stem flange gate valve

Brief Introduction of GOST cast steel gate valve: 

Cast steel rising stem flange gate valve is the replacement of the traditional cast iron gate valve, which has compact structure, reasonable design, good valve rigidity, smooth channel and small flow resistance coefficient; the sealing surface of GOST cast steel gate valve is made of stainless steel and hard alloy, and its service life is long;

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Product Name: GOST 5762 Russia standard cast steel metal hard seal rising stem flange gate valve

Model No: (GOST) Z41H-16C


Brief Introduction of GOST 5762 Russia standard cast steel metal hard seal rising stem flange gate valve:

Cast steel rising stem flange gate valve is the replacement of the traditional cast iron gate valve, which has compact structure, reasonable design, good valve rigidity, smooth channel and small flow resistance coefficient; the sealing surface of GOST cast steel gate valve is made of stainless steel and hard alloy, and its service life is long; the GOST cast steel gate valve adopts the flexible graphite packing, which has reliable sealing performance, and is labor saving and flexible to operate; GOST cast steel gate valve is widely used in petrochemical, metallurgy,water treatment, thermal power plants and other oil and steam pipelines as opening and closing devices for connecting or cutting off the medium in the pipeline;

Advantages of GOST cast steel gate valve:

1. GOST cast steel gate valve has compact structure, reasonable design, good valve rigidity, smooth channel and small flow resistance coefficient, is easy and convenient for maintenance;

2. GOST cast steel gate valve adopts the flexible graphite packing, which has reliable sealing performance, and is labor saving and flexible to operate;

3. GOST cast steel gate valve can be operated through manual hand wheel, electric actuator,pneumatic actuator, worm gear box;

Applications of GOST cast steel gate valve:

GOST cast steel gate valve is widely used in petrochemical, metallurgy, water treatment, thermal power plants and other oil and steam pipelines as opening and closing devices for connecting or cutting off the medium in the pipeline;

Standards of GOST cast steel gate valve:

Design and manufacturing Face to face standard End flange standard Test and inspect
GOST5762 GOST3706 GOST12815 ISO5208

Technical Parameter:

Model No. Nominal Pressure MPa Test Pressure(MPa) Mediums Working temperature
Strength (water) Sealing (water)
(GOST)Z41H-10 1.0 1.5 1.1 Water, steam, oils 425
(GOST)Z41H-16 1.6 2.4 1.8

Material for main parts in GOST cast steel gate valve:

Part name Material name
Valve body, Bonnet Carbon steel WCB
Valve stem nut Ductile cast iron/brass
Valve stem SS420
Valve disc Carbon steel WCB+stainless steel 13Cr
Valve seat Stainless steel 13Cr

 

Outline dimensions and end connection dimensions:

Model No. DN(mm) Dimension(mm)
     
(GOST) Z41H-16C L D D1 Z*φd H
50 180 160 125 4*φ18 324
65 195 180 145 4*φ18 365
80 210 195 160 4*φ18 397
100 230 215 180 8*φ18 457
125 255 245 210 8*φ18 512
150 280 280 240 8*φ22 587
200 330 335 295 12*φ22 731
250 450 405 355 12*φ26 739
300 500 460 410 12*φ26 854
           
         

 

DN

DN50-300

PN

10/16

mediums

water, steam, oils

working temperature

≦425℃