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GMGVCL 1
SPECIFICATIONS
IS:778, SCREWED IN BONNET, INSIDE SCREW, NON-RISING STEM, INTEGRAL SEAT, SOLID WEDGE, SCREWED FEMALE PARALLEL THREADS TO IS:554
P.NO. | DESCRIPTION | MATERIALS | SPECIFICATIONS |
1. | BODY | LEADED TIN BRONZE | IS 318:81 GR. LTB2 |
2. | WEDGE | LEADED TIN BRONZE | IS 318:81 GR. LTB2 |
3. | STEM | HIGH TENSILE BRASS | IS 6912:85 GR. FHTB1 |
4. | BONNET | LEADED TIN BRONZE | IS 318:81 GR. LTB2 |
5. | STUFFING BOX | LEADED TIN BRONZE/BRASS ROD | IS 318:81 GR. LTB2 |
6. | GLAND PACKING | ASBETOS HEMP & JUTE | IS 5414:69 |
7. | GLAND | LEADED TIN BRONZE/BRASS ROD | IS 318:81 GR.LTB2/IS 6912:85 GR. FLB |
8. | GLAND NUT | LEADED TIN BRONZE/BRASS ROD | IS 318:81 GR.LTB2/IS 6912:85 GR. FLB |
9. | HANDWHEEL | C.I | IS 210-93 HR. FG200 |
10. | WASHER | CARBON STEEL | IS 2062:92 GR.A |
11. | SET SCREW | CARBON STEEL | SPECIAL GRADE |
SIZE (MM) | 8 | 10 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
A | 50 | 50 | 60 | 60 | 70 | 80 | 90 | 100 | 105 | 125 | 160 |
ØB | 10 | 10 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
D | ¼" | ⅜" | ½" | ¾" | 1" | 1-¼" | 1-½" | 2" | 2-½" | 3" | 4" |
~E | 90 | 90 | 105 | 115 | 125 | 140 | 160 | 176 | 210 | 245 | 295 |
~ØF | 48 | 48 | 60 | 60 | 70 | 80 | 92 | 103 | 130 | 153 | 165 |
APPROX. WT.* | 0.310 | 0.310 | 0.420 | 0.635 | 0.790 | 1.350 | 1.795 | 2.710 | 4.205 | 6.136 | 10.416 |
CLASS 1 | IS 001 | IS 001 | IS 001 | IS 001 | IS 001 | IS 001 | IS 001 | IS 001 | IS 001 | IS 001 | IS 001 |
NOMINAL PRESSURE ACCORDING TO CLASS DESGINATION | SHELL TEST (HYDROSTATIC) |
SEAT & BACK TEST (HYDROSTATIC) |
STANDARD NO. |
CLASS 1 | 1.5 MPA (217.5 PSIG) | 1.0 MPA (145 PSIG) | IS 6157 |