Cu-Alloy Globe Valves - IS 778 Class 1 & 2

            STANDARD MATERIAL COMBINATION          
P.No.   Qty. DESCRIPTION  

MATERIAL 

SPECIFICATIONS    
1     1 BODY      

       LEADED TIN BRONZE    

LTB2 OF IS 318    
2     1 BONNET      

       LEADED TIN BRONZE    

LTB2 IS 318    
3     1 DISC      

       LEADED TIN BRONZE    

 LTB2 OF IS 318    
4     - GLAND PACKING       HEMP & JUTE / ASBESTOS   IS 5414 liS 4687    
5     1 STEM           BRASS ROD         FHTB1 OF IS 6912    
6     1 GLAND           LEADED TIN BRONZE / BRASS   LTB2 OF IS 318/ FLB OF IS 6912
7     1 GLAND NUT         LEADED TIN BRONZE / BRASS   LTB2 OF IS 318/ FLB OF IS 6912
8     1 STEM NUT         LEADED TIN BRONZE / BRASS   LTB2 OF IS 318/ FLB OF IS 6912
9     1 HANDWHEEL  

                       C.I. / STEEL 

FG200 OF IS 210/ ANY GRADE
10     1 WASHER           CARBON STEEL       ANY GRADE    
11     1 SET SCREW         CARBON STEEL       ANY GRADE    
                    DIMENSIONAL DATA              
    DN   8 10 15 20 25   32 40 50  

65

 80 100
    NPS 1/4 3/8 1/2 3/4 1   11/4 11/2 2   21/2 3 4
    L   47 50 60 70 80   95 110 125   160 180 216
    b   8 10 15 20 25   32 40

50

   65 80 100
    C   8.5 9 12 13 15   16 16 19.5   21 23 29
    H      75 75 83 89 98   109 120 128   156 174 206
    HW      48 48 60 60 70   80 92 103   130 150 165
ITEM CLASS 1 IS 013B IS013C IS 0130 IS 013F IS 013G IS 013H IS 0131 IS 013J IS013K IS 013L IS 013N
CODE         IS 017C IS 0170 IS 017F IS 017G IS 017H IS 0171 IS 017J IS 017K IS 017L IS 017N
NOS. CLASS 2

IS 017B
                    TEST PRESSURES                
NOMINAL PRESSURE ACCORDING   SHELL TEST     SEAT & BACK SEAT     STANDARD NO.
TO CLASS DESIGNATION     (HYDROSTATIC)     (HYDROSTATIC)            
CLASS 1         1.5 MPa (217.5 psig)   1.0 MPa (145 psig)         IS6157  
CLASS 2              2.4 MPa (348 psig)     1.6 MPa (232 psig)